Abstract: A circuit breaker mounting assembly comprises an enclosure for holding at least one circuit breaker, with the circuit breaker being mounted within said enclosure; a terminal block mounted within the enclosure at a location remote from the circuit breaker, the terminal block including a plurality of input connections and a plurality of output connections; a plurality of control wires extending from the circuit breaker to the terminal block; and a mounting bracket for positioning the terminal block in a first position within the enclosure and for permitting the terminal block to be moved to a second location outside of the enclosure.

Abstract: An electric component unit capable of keeping an operator from feeling a difference in force required for inserting a connection conductor into an electric component unit during insertion of plural connection conductors different in diameter. A terminal fitment includes a conductor holding section provided with four holding elements. Two of the holding elements are so arranged that distal portions thereof are opposite to each other with an end of the connection conductor being interposed therebetween and contacted with the end of the connection conductor. The remaining two of the holding elements are so arranged that distal portions thereof are positioned forwardly or rearwardly in a longitudinal direction of the connection conductor based on a position at which the two holding elements are contacted with the end of the connection conductor while being contacted with the end of the connection conductor and interposing the end of the connection conductor therebetween.

Abstract: Described is an integral electrical contact block and printed circuit board for an electrical device. The electrical contacts arch over components on the printed circuit board and are secured to the printed circuit board at either end of the arch. A second arch is above the lower arch, secured to the lower arch at one end, forming a structure with an open mouth. This open mouth can capture a plastic housing. The contact provides protection for components beneath it, provides for efficient use of space in an electrical device, and the mouth of the contact absorbs shock that otherwise might be transmitted directly to solder joints on the printed circuit board.

Abstract: A terminal board for attachment to a control device in one of a flush or exposed type configuration. The terminal board including at least one exposed fixing hole defined in an upper portion of the terminal board, and at least one attached plate fixing hole defined in a lower portion of the terminal board, wherein the terminal board may be mounted to the control device in an exposure type attachment configuration in which the exposed fixing hole is exposed relative to the case. Alternatively, the terminal board may be mounted to the control device in an flush type attachment configuration in which the exposed fixing hole is flush with the case of the control device.

Abstract: A DC to AC power inverter having a housing with an AC power port for receiving an AC power module and a control port for receiving a control panel module.

Abstract: A metal support element having electronic components or circuit supports, in particular hybrid circuits, the connections of which are guided through from the component side, via a plurality of connector pins melted into glass passthroughs, to the opposite side of the support element. The connector pins are glass-mounted into pin blocks produced independently of the support element. The pin blocks are inserted into associated cutouts of the support element and fastened therein. The arrangement and number of the connector pins in the pin blocks can thereby be flexibly adapted to particular requirements with no need for modifications to the design of the support element. The material and the geometrical properties of the pin blocks can be optimally adapted to the glass-mounting process of the connector pins, while the material of the support element can be matched to the coefficient of thermal expansion of the attached circuit support.

Abstract: An arrangement for attaching electrical inductive components to a terminal block of a mounting base utilizes interlocking male and female plug-in connections. In instances where the electrical inductive components are measuring transformers, the arrangement accommodates higher electric currents in the area of several amperes seen in the primary winding because a galvanic connection is established simultaneously when the mechanical connection is made. Accordingly, the wiring of the primary circuit is made rapidly and without the possibility of faulty coupling. As the number of electrical inductive components increases, the arrangement disclosed provides compact construction.

Abstract: A gas assisted injection molded part includes internal cavities extending between two surfaces of the part. The cavities are plated for electrical conductivity after a surface cleaning and etching process. The part may be an automobile instrument panel wherein the internal cavities are plated to create a series of "bus" conductor lines. These lines carry power, ground and/or electrical signals over relatively large distances, allowing other components to attach at points along the structure eliminating the need for discrete wiring and wire harness interconnect assemblies.

Abstract: A stand-off wire management bracket and system having a back panel, side walls extending from the back panel and attachment brackets pivotally connected to the side walls for pivotal attachment of one or more wire panels. The wire panel is connected across the attachment brackets which rotate about a common axis substantially parallel to the back panel, providing access to the rear portion of the wire panel without requiring disconnection of all connecting points, and without requiring excess clearance, or excess slack in cables. The side panels also include stops to limit the rotation of the attachment brackets and any wire panel attached thereto.

Abstract: An electrical junction block for an automotive vehicle comprises a housing containing a planar, multilayer busbar and a printed circuit board, the busbar and the printed circuit board being maintained in parallel and electrically insulated relationship to one another. A plurality of receptacles are formed on the exterior surfaces of the housing to receive mating electrical components such as fuses, relays, and wiring harness connectors. Electrical connection between the printed circuit board and the electrical components is via a plurality of printed circuit board connection terminals having first ends which make electrical contact with the face of the printed circuit board oriented toward the busbar and second ends which pass through holes in the busbar and then through apertures in the housing and into the receptacles.

Abstract: An interface device that includes a base having a body between top and bottom longitudinal flanges, a circuit board, and an interface unit including a first terminal block with a row of aligned terminals at a front of the block where the aligned terminals are electrically connected to a circuit board mounted on the base. The interface device includes an additional terminal block attached to a bottom of the base by a retainer. The retainer is constructed in the form of M-shaped members attached to a face of the additional terminal block, that clip into a longitudinal groove on the bottom of the base. The additional terminal block may be mounted such that terminals on the additional terminal block are parallel to terminals on the first terminal block and set back therefrom. The body of the base also includes a longitudinal slideway in which longitudinal edges of the printed circuit board are accommodated.

Abstract: An interconnection system is for interconnecting sensors, such as temperature gauges for controlling industrial processes, to a bus cable that interconnects the sensors to a central computation unit. The connection assembly comprises edge card connectors for connection to electronic modules having printed circuit boards. The plurality of modules are interconnected to the ribbon cable bus by a printed circuit board, and a connector mounted on the PCB and pluggable with a bus connector terminated to the cable.

Abstract: The present invention provides a neutral base module for an interior assembly of an electrical distribution device having a plurality of modules. The neutral base module connects the electrical distribution device to a circuit having at least one phase and includes a generally rectangular body having a mounting surface. The body demountably secures to at least one adjacent module of the interior assembly with a manually operated securement which is integrally formed with the modular housing. A terminal for making an electrical connection abuts the mounting surface of the body. An electrically insulating shield having sufficient size to substantially isolate the body from the adjacent module of the interior assembly abuts the body and terminal. The terminal is releasably retained to abut the mounting surface and the shield between the body and the adjacent module.

Abstract: A thermostat housing which provides a protective enclosure for electronic components of a thermostat assembly comprises a base, a terminal block removably attached to the base, and a cover. The terminal block provides an interface between the electronic components of the thermostat assembly and wires of a building climate control system. The terminal block can be replaced as an individual unit in the event it becomes damaged or defective.

Abstract: A circuit board assembly and a method of manufacturing such an assembly has a circuit board 1 with spaced holes 6 which receive projections 15 of a rigid metal chassis 11 which is part of a sub-assembly 10. The projections 15 are soldered in the holes 6 to rigidly secure the sub-assembly to the circuit board. The sub-assembly 10 has a pair of terminal posts 18 from which extend electrical connections 25, 26 having ends formed as fingers 30, 31. The fingers 30 and 31 are received in sets of corresponding holes 8 and 7 respectively in the circuit board and soldered in their respective holes to provide an electrical connection between the strips 25 and 26 and circuit lines 5 and 4 respectively on the circuit board. The soldered joints between the projections 15 and the circuit board permits torque applied to the terminal posts 18 to be accommodated by the circuit board assembly.

Abstract: A fuel dispenser includes a housing, a compartment in the housing, electrical controls and a terminal device in the compartment and a fixture extending into the compartment. The fuel dispenser is field-installed by connecting an external conduit to the housing and running unbroken electrical leads through the external conduit and the fixture. The electrical leads are terminated at the terminal device and the fixture is sealed against vapor transmission.

Abstract: A plurality of terminal blocks are secured to a molded case circuit breaker by a bracket assembly which includes a mounting bracket placed against a side wall of the circuit breaker molded case. A back-up plate is inserted in a pocket formed between the outer wall and an inner wall of the molded case and electrically isolated from the cavity containing the circuit breaker operating mechanism. Fasteners extend from the mounting bracket through the outer wall and engage the back-up plate. Since the pocket is electrically isolated from the circuit breaker operating mechanism, the back-up plate, and particularly the fasteners, can be made of metal for a solid, durable connection.

Abstract: A modular control system for connecting the electrical components of an automated system, such as switches, sensors, reactors and field units, with a master field bus system via an assembly of terminal blocks mounted on a grounded support rail, characterized in that the assembly includes a power supply terminal block, a ground terminal block, and at least one control signal terminal block for supplying control signals to control circuits carried by printed circuit boards contained within a removable electronics module. The various terminal block assemblies mounted on a given support rail are connected via internal bus bar means that is connected by a module with the master field bus.

Abstract: A semiconductor device is formed of an insulative case frame having a frame portion; a lead pin block having a base and a plurality of lead pins with inner leads formed in the base, the lead pin block being installed inside the frame portion; a base plate attached to the frame portion for covering a first opening; a circuit board bonded to an inner face of the base plate and having semiconductor chips thereon connected to ends of the inner leads; a gel resin sealant filling an inner space of the insulative case frame over the circuit board and the semiconductor chips; and an insulative cover plate placed on the insulative case frame for closing a second opening of the insulative case frame. A sealing agent is disposed between the lead pin block and the frame portion to seal a gap therebetween, and an air vent is formed in the base of the lead pin block to communicate between the inner space and atmosphere.

Abstract: A modular control system for automated buildings includes an assembly of terminal blocks mounted as a unit on a mounting block for supplying electrical power and control signals to and from circuits contained in an electronics module mounted on a support rail, thereby to operate associated components of the building. The terminal block assembly includes symmetrical ground, power-supply, control-signal and end-support terminal blocks connected together as a unit. Signal feed-in occurs on both sides of an electronic module arranged on the terminal block assembly.

Abstract: A multiple circuit building protector assembly for protecting telephone communication related equipment includes a two-piece interfitting housing, a printed circuit board sub-assembly, a plurality of first modular jacks connected to an exposed side, and a plurality of second modular jacks connected to a protected side. The printed circuit board is fixedly mounted internally of the housing and is adapted to receive a variety of different overvoltage and/or overcurrent protective circuit devices. A plurality of plug-in fuse modules are disposed in top recesses of the housing cover member.

Abstract: A high-voltage variable resistor capable of electrically connecting a connection electrode on a circuit board and a terminal fitment to each other without using any conductive rubber or soldering. A terminal fitment which is electrically connected to a connection electrode on a circuit board without soldering is arranged between a front surface of the circuit board and an inner surface of an insulating casing. The terminal fitment is provided with a connection conductor holding section including a plurality of edges biting into an end of a connection conductor inserted into the insulating casing via each of through-holes of the insulating casing when a force in a direction of drawing the connection conductor out of the connection conductor holding section is applied to the connection conductor. The terminal fitment is integrally provided with a contact terminal section exhibiting elasticity.

Abstract: A wiring patch panel cabinet accommodates plural termination devices. A cabinet support structure includes spaced apart top and bottom walls and opposed sidewalls. The cabinet support structure secures a plurality of individual patch panels. Each patch panel accommodates termination devices of a given type. The termination devices of one patch panel may be different from the termination devices of another patch panel supported by the cabinet structure. The patch panels are supported by the cabinet in side-by-side vertical orientation to facilitate removal and repair of an individual patch panel without disturbing adjacent patch panels.

Abstract: An electronic storage device having IC chips mounted upon a board, with the board surrounded by a card housing. A portion of the card housing is formed of conductive material and is electrically connected to the board to allow the board to be easily grounded to reduce damage due to static electricity. The card is operatively received in a receptacle having a bay sized to receive the card. Upon insertion of the card into the bay, a grounding contact grounded to the receptacle may engage the conductive portion of the card housing to ground the card prior to the card contacts being operatively connected. The card preferably has a shape such that it may only be inserted into the bay in the proper orientation. The receptacle may have a power switch located to provide full access to the bay in the power-off position, but blocking bay access in the power-on position. This ensures that the card is not inserted while the receptacle is activated, and that the receptacle is deactivated prior to removing the card.

Abstract: For use with a key in a keyboard instrument, a solenoid mounting apparatus for releasably securing solenoid assemblies has a mounting rail with essentially flat first and second faces, first and second end edges, and first and second mounting edges. Solenoid assembly securing channels are formed into each mounting edge. Included in the solenoid assemblies are brackets for retaining each of the solenoids to the rail and a threaded member for releasably anchoring each bracket to either of the channels.

Abstract: In a power semiconductor device having a power circuit 1 and a control circuit 2 incorporated in a resin case 4, said circuits being mounted on different substrates 1a and 2a and interconnected internally, and power terminals 6 and control terminals 7 connected to the power and control circuits, respectively, being drawn out of the case, the power terminals 6, the control terminals 7 and lead pins 13 are preliminarily molded by an insert technique together with the case as the power terminals 6 and the control terminals 7 are arranged at the peripheral edge of the case 4 whereas the lead pins 13 for establishing interconnection between the power and control circuits are arranged on a pin block 12 provided at the middle stage within the case, and the substrate 1a for the power circuit is mounted on a heat dissipating metal base 11 combined with the bottom side of the case 4 and the substrate 2a for the control circuit on the pin block 12, with the power terminals, control terminals and the pin block being sold

Abstract: A semiconductor device for converting DC input power to AC output power includes a package having a rectangular shape with four side edges and containing a plurality of semiconductor chips therein. Two pairs of positive and negative terminals of DC input terminals are situated on the side edges to face to each other such that the same polar terminals in the positive and negative terminals face to each other. AC output terminals and control terminals are arranged on the side edges where the DC input terminals are not formed.

Abstract: An improved terminal block for permitting the connection of inputs and outputs of an electronics mainframe module, such as a VXI mainframe module, to external devices, such as devices under test. The improved terminal block includes insertion and ejection levers to ease the connection and disconnection of the terminal block to the module. A ledge of the insertion and ejection lever engages an insertion beating surface on a front panel of the module during the insertion process and is then rotated in the appropriate direction until the terminal block is securely connected to the module. The ledge of the insertion and ejection lever engages an ejection beating surface on the front panel of the module during the ejection process and is then rotated in the appropriate direction until the terminal block is disengaged from the module. The levers can also be shaped in such a manner to permit top and bottom cable routing apertures, as well as a back side cable routing aperture.

Abstract: A connector module (10,100,200) having at least one electrical terminal (24,116,206) therein, adapted to be sealingly mounted to a mounting surface upon being placed thereagainst at a connection site (30,112,204), and simultaneously form electrical connections of each terminal with a circuit (38,152,214) thereat, with the terminal adapted to be thereafter terminated to a discrete conductor wire (60,138,210,212) to interconnect the circuit with the wire. Upstanding lead members (40,160,216) are electrically connected to the circuits and are received into pin-receiving holes (50,172) along the module's bottom surface and become engaged with respective terminals. Each terminal is terminated to such a wire upon actuation of an actuator (26,118). A base section (14,104) of the module forms a seal with the mounting surface around the connection site (30,112,204). Such module can easily be mounted to a solar panel (32,110) or circuit board (202).

Abstract: A motor control unit for use in an electrical enclosure is provided, the motor control unit includes a connector stab assembly of a molded plastic housing having a base portion, at least one jaw connector cover extending from one side of the base portion and a corresponding bar cover extending from the other side of the base portion opposite the jaw connector. The jaw connector cover includes a pair of opposing u-shaped sidewall members. A metal bar is provided having a first end extending through the base into the jaw connector cover and a second end extending through the bar cover. The second end of the metal bar is adapted for connection to a wire conductor. A pair of jaw fingers extend from the first end of the metal bar and are partially enclosed in the jaw connector cover and are adapted to secure to a vertical bus bar. A pair of spring members are secured to the first end of the metal bar and engage each one of the jaw fingers for biasing the jaw fingers toward each other.

Abstract: In a terminal assembly for electronic and electric equipment, the terminal member is formed into the shape of letter-C by being provided with a middle piece, and first and second arms extending from two opposite ends of the middle piece at an acute angle and at an obtuse angle, respectively. The first and second arms are fitted into a retaining window of a casing to secure the terminal member onto the casing. The first arm is reduced in thickness from its middle part toward its free end or is otherwise increased of its flexibility so as to form a spring portion. A terminal screw is threaded into the middle piece toward the first arm at an oblique angle. A connecting electrode of a circuit board received in the casing resiliently engages the spring portion of the terminal member.

Abstract: A circuit protection assembly for protecting telephone communication related equipment includes a two-piece interfitting housing, a printed circuit board sub-assembly, an exposed side connector device, and a protected side connector device. The printed circuit board is mounted internally inside the housing and is adapted to receive any number of circuit protector combinations of overvoltage, overcurrent and line-status devices. Each of the exposed side and protected side connector devices can be one of several different types of connector so as to provide versatile mechanical connections to the circuit protectors.

Abstract: An electronic control apparatus in which each device unit is detachably mounted on an open front portion of a box-shaped main body by a press-and-clamp engaging mechanism. A nail plate is formed on both side faces of a terminal block. By engaging the nail plates with engaging holes formed in a unit main body, the terminal block can be attached to the unit main body and connected to a unit circuit board at the same time. A triangular color segment is attached to an indicator portion of each device unit for identification of its type. A palm-top type program setting unit is connected to a processing unit through lead wires. The inside circuitry of the setting unit is exposed by sliding its operation section.

Abstract: A terminal box comprising a block of non-conductive material such as polystyrene or other comparable material having a first bus bar embedded therein with terminal connections to connect the live or hot wire of a first circuit leading to an electrical source, of a second circuit leading to a first load, and of a third or more circuits leading to a second or more load, a second bus bar embedded therein with terminal connections to connect the neutral wire of the first circuit leading to the electrical source, of the second circuit leading to the first load, and of the third or more circuits leading to a second or more load, and a third bus bar embedded therein with terminal connections to connect the ground wire of the first, second, third or more circuits.

Abstract: In the case of a switching element, a pressure-compensation element (20) is inserted in the base body (10) of the terminal strip (11) in a recess so that a pressure compensation is possible between the interior of the housing (17) and the outer atmosphere. By means of this special arrangement of the pressure-compensation element (20) in the terminal strip (11) it is possible to test the functional capability of the pressure-compensation elements in the installed state in a simple way without additional testing processes.

Abstract: The present invention provides a meter socket pan and assembly for connection of an electrical meter between a line bus terminal and a branch load terminal. The pan includes a one-piece support base having a generally flat front face and a back face, and a top, bottom and side edges. The base is made of a non-conductive plastic material adapted to support the electrical meter. A socket base is integrally formed on one end of the front face of the support base. The socket base electrically and mechanically connects to an electrical meter. A test base is integrally formed on the opposite end of the front face of the support base. The test base secures thereto a line and load terminal. The test base also reversibly closes the circuit between the line and load terminals. The socket pan also electrically connects the socket base and the reversibly closing test base.

Abstract: Apparatus for patching cables includes a panel 10, FIG. 2 having a patch side for exposing patching connectors, and a punch-down side opposite the patch side for exposing punch-down terminals associated with the connectors. A bracket 12, FIG. 2 supports the panel in a vertical position with the patch side exposed to users. Pivots attach one edge of the panel to the bracket so that the panel can be tilted about the pivot into a position in which the patch side is no longer exposed to users and the punch-down side is exposed to users. There is a supporting surface 40, FIG. 2 for supporting the patch side, when tilted, sufficiently to permit punching down of wires on the punch-down side. The panel may include color coded marking on the patch side for classifying the connector application.

Abstract: A terminal board assembly for a dynamoelectric machine, adapted for supporting an overload device, comprises a body and an overload device support integral with the body and extending therefrom for cradling the overload device when the overload device is supported on the terminal board assembly. The body and the overload device support each include apparatus releasably secured in engagement with the overload device for retaining the overload device against displacement from the overload device support.

Abstract: A semiconductor device 1 having external lead terminals 14 and 15 on an upper level surface portion 12 and a lower level surface portion 13 formed in a top cover 11 of a resin package so as to produce a level difference between them in combination with an external lead terminal adaptor 2 having terminal conductors 22 on a terminal block body 21 adapted to be stacked on the lower level surface portion so that the level difference between the higher and lower level portions is compensated, and the terminal conductors of the adaptor are connected with the external lead terminals disposed on the lower level portion of the semiconductor device. This enables the terminal conductors and external lead terminals to have the same level or to be aligned in the same plane, so that external wiring between the semiconductor device and the printed circuit board mounted thereon can be easily accomplished.

Abstract: An elongated casing includes an elongated insulated seat which is disposed transverse to a longitudinal length of the casing and adjacent to one end thereof. The insulated seat has two spaced through bores that extend along a full longitudinal length to receive two conducting rods, four inlet holes that extend from a bottom of the insulated seat to communicate with the through bores, and a flat top surface. The flat top surface is provided with a T-shaped member, two inverted L-shaped members which cooperate with the T-shaped member to define two hooking units, and two recesses formed adjacent to a respective one of the hooking units. Two pairs of conducting pins are provided lengthwise in the elongated casing and which extend from the end towards another end of the casing. The conducting pins have upright insert portions that extend into the inlet holes of the insulated seat to contact the conducting rods.

Abstract: A single modular assembly (10) has two terminals (18) in housing cavities (28) each with a pair of slots (38) for termination by rotary actuation to respective conductors of two cables, for crossconnecting or splicing the tip and ring lines of a customer's service line with those of a cable extending to the main distribution line. Each terminal (18) is in electrical engagement with a circuit wire (40) extending to a separate portion (20) of the module for electrical connection to an active electrode of a protector element (24). The two protector elements (24) each include a ground electrode (76) grounded to a common ground strap (54) which includes a contact section (60,64) exposed along the bottom of the module to be assuredly engaged with a ground strap (122) along the floor (112) of the enclosure (110) upon mounting of the module (10) therein, for grounding to a ground stud for external system grounding.

Abstract: A single modular assembly (10) has two terminals (16) in housing cavities (22) each with a pair of slots (46,48) for termination by rotary actuation to respective conductors (30,32) of two cables, for crossconnecting or splicing the tip and ring lines of a customer's service line with those of a cable extending to the main distribution line. Each terminal (18) is in electrical engagement with one of the two active electrode leads (52,54) of a common protector unit (20) contained in a housing section (18) of the module. The protector unit (20) includes a ground electrode lead (50) grounded to a ground strap (70) which includes a contact section (72) extending from the module to be assuredly engaged with a ground circuit. Crossconnection of the tip and ring wires of service cables in the module simultaneously provides voltage and current surge protection for the circuits.

Abstract: A telecommunications closure (1) includes a pressure clamp (21) for sealingly clamping mating parts (47, 48) of the closure together so as to form a water tight seal. The clamp member requires no tools during installation and creates no uncertainty as to the generation of appropriate clamp pressure on a sealing O-ring when installed. The pressure clamp includes an over-center latch which is rotatable between a first unlatched position and a second latched position, a clamping pressure generated by the latch increasing to a maximum value as the rotatable latch is moved from its first position to an intermediate position between the first and second positions and then decreases from this maximum value as the latch is moved from the intermediate position to the second position so as to generate a predetermined appropriate clamping pressure when in its second position so as to appropriately compress the O-ring disposed within a groove between the closure parts at their mating area.

Abstract: An extender or cover is provided for fitting over partition walls between adjacent sets of terminal points or connectors on an electrical terminal block. When installed, the extender serves as a mechanical barrier against inadvertent connection of terminals of different electrical polarity or potential. The extender also serves as a visible cautionary indicator, alerting the service crew to be aware of the risk of misconnection.

Abstract: Terminal block for automation device, notably for programmable controller, mounted movably and electrically connected to an interface module. The lateral wall of the body of the terminal block which is situated on the side of the openings for passage of the flexible leads connected the units of the automated system comprises a pivoting flap.

Abstract: Circuit board terminals suitable for coupling high voltage, high current wires, such as 240 volts, 50 amps, to a circuit board is shown in which for each wire a block 24 of electrically conductive material is formed with a pair of ribs 48, 50 which interfit with a corresponding pair of slots 54, 56 in the circuit board 12. A bore 40 formed through the block from one sidewall to an opposed sidewall is adapted to receive the high voltage, high current wire which is clamped against the block by a set screw 44 received in a threaded bore 42 which communicates with the bore extending between the sidewalls. Another threaded member 60 is received through a bore 58 in the circuit board disposed between the two slots and into a threaded bore 62 in the bottom of the block disposed on one side of the circuit board with the head 62 of the threaded member engaging the high voltage, high current trace 22 or 14 on the opposite side of the circuit board. A layer of solder 68 is then placed over the head and onto the trace.

Abstract: A terminal block arrangement for a timer device or system; which enables suitable heat dissipation wherein the terminal block is handling currents of the order of at least 30 amps, such that heat dissipation is a problem because the dissipation is limited either by the PC board track or, if wire is used, by the heat conduction of the wire. The terminal design of the present invention is unique because the terminal block provides the combined advantages of access to the end user, is a source of heat sinking required by the relay, is a reliable integral connection between relay and output, and by changing the size of the terminal, can provided an almost unlimited use for AC and DC applications requiring high voltages and currents. The relay connections can be welded or soldered.

Abstract: A controller base unit for a DIN-standard installation wherein a molded base is provided with an internal chassis for support and a contour that permits the direct and releasable attachment of the unit to a DIN rail via a plurality of hooks that are simultaneously moveable between an engaged and non-engaged position. The base is provided with a recess in a planar face thereof for accommodating a printed circuit board and has fixed tabs along the periphery of the recess. The circuit board has cut-outs that mate with the tabs for insertion of the board into the recess and is slidable laterally into a position where the tabs secure the board against the surface of the recess and a screw or the like can secure the board against further lateral movement. The board has at both ends thereof a pair of connectors that are connectable with either end of a separate similarly designed board via a cable.

Abstract: A light assembly for outdoor purposes utilizing a supportive and corrosion protective housing allowing below grade placement. Individualized lamp and electrical component assemblies are separately sealed from water infiltration and are located within the housing with electrical connections provided by submersible rated cable and connectors. A potting material in the lamp assembly encapsulates the electrical wires which are further surrounded by a solid soldering compound barrier. A closure assembly separately seals the electrical components using a mounting base, a harness and a potting body which form one body through molding of the potting body about the remainder of the elements. A harness assembly wicking barrier is employed which further isolates the transformer from water infiltration. Bare metal strips forming conductors are encapsulated in the potting material. A face ring with slotted openings permits air flow and water entry into the housing for cooling the lamp assembly.

Abstract: An air conditioning disconnect switch utilizes a ramped movable contact arrangement for slidably opening and closing the switch contacts without the requirement of a removable type pull-out handle. A plastic face plate covering the switch terminals allows the use of a metallic case of reduced depth. The slidable contact arrangement eliminates the bumped cover projection otherwise required with the pull-out handle.