Abstract: A sealed switch assembly for use with a disconnect operator movable between an on state, a tripped state, and an off state. The disconnect operator housed within a sealed enclosure. The switch assembly includes a housing sealed to the enclosure to inhibit ingress of solids and liquids therebetween. A handle is coupled to the disconnect operator and is disposed at least partially within the housing. The handle is sealed to the housing to inhibit ingress of solids and liquids therebetween, and is moveable between an on position and an off position. A low-friction trip indicator mechanism operates independent of the handle to indicate when the disconnect operator is in the tripped state.

Abstract: A cap (27) for a temperature-dependent switch (10) having a first connection area (22) and at least one second connection area (23) on the outer surface of its housing (11, 12) for the purpose of electrically connecting leads (25, 26) is designed as a cup-like surrounding housing that can be pushed onto the switch (10), preferably with an accurate fit, such that the connection areas (22, 23) for electrical connection are accessible from the outside after said surrounding housing has been pushed on, whereby a first opening (28) for the first connection area (22) and a second opening (29) for the second connection area (23) are provided in said cap (27).

Abstract: A safety device for a switch includes a first terminal, a second terminal and a conductive plate connected between the two terminals. A first contact point is connected to an end of the second terminal. The conductive plate has a first end fixed to the first terminal and a second contact point connected to a second end of the conductive plate and corresponding to the first contact point. A push rod is located at a side of the conductive plate and a gap is defined between the distal end of the push rod and the conductive plate. The push rod pushes a mediate portion of the conductive plate when the mediate portion of the conductive plate is overheating to bend toward the push rod under a current overload condition. The push rod applies a force to further separate the first and second contact points so as to ensure the circuit is cut off.

Abstract: Certain exemplary embodiments can provide a system, which can comprise a wafer that defines an opening. The wafer can be adapted to be operatively installed between a mechanical portion of a circuit breaker and an electronic portion of the circuit breaker. When installed, the wafer can be adapted to receive a protrusion of the mechanical portion of the circuit breaker.

Abstract: A safety device for a switch includes a first terminal, a second terminal and a conductive plate connected between the two terminals. A first contact point is connected to an end of the second terminal. The conductive plate has a first end fixed to the first terminal and a second contact point connected to a second end of the conductive plate and corresponding to the first contact point. A push rod is located at a side of the conductive plate and a gap is defined between the distal end of the push rod and the conductive plate. The push rod pushes a mediate portion of the conductive plate when the mediate portion of the conductive plate is overheating to bend toward the push rod under a current overload condition. The push rod applies a force to further separate the first and second contact points so as to ensure the circuit is cut off.

Abstract: A structure for mounting a temperature switch on a compressor of a vehicle air-conditioner is disclosed. The switch has a cylindrical metal container and a thermally responsive element disposed on a container bottom. The structure includes a housing recess for housing the switch, a fixing cover including an upper cover and one or plural band-shaped legs downwardly extending from a peripheral edge of the cover and housed in the recess with the switch, and one or plural claws formed on the fixing cover legs. When the switch is housed in the recess, the claws are engaged with an inner surface of the recess to be locked. An adhesive is interposed between the switch and the recess when the switch is housed in the recess. The legs are constructed so that parts of the legs are buried in the adhesive when the switch is housed in the recess.

Abstract: An enclosed motor protector has a housing formed by a base (10) and a cover (12) received on the base and enclosing a recess (10a) formed in the base. A first terminal (14) extends through an opening in the housing and mounts a stationary contact (14c) within the recess. An elongated movable contact arm (18) is cantilever mounted at one end in the recess and mounts a second movable contact (18a) on a free end of the arm which is adapted to move into and out of engagement with the stationary contact. A heater (20) is mounted in the recess in heat transfer relation with a snap acting thermostatic disc (22) disposed adjacent to the movable contact arm so that upon reaching a preselected temperature the disc will snap from one dished configuration to an opposite dished configuration with its motion transferred to the movable contact arm to move the contacts out of engagement.

Abstract: A door-use feed protector and a circuit assembly arranging structure using the same is provided. The door-use feed protector includes a protector body to accommodate a circuit assembly in a curved state in a door and a circuit assembly holding portion provided on an outer wall of the protector body so as to hold a portion of the circuit assembly outside the protector body. The circuit assembly holding portion may be an auxiliary protector. The auxiliary protector has at least a pair of holding walls facing each other. The holding wall is provided with a resilient holding piece or an engagable cover for preventing the circuit assembly from protruding. The circuit assembly is introduced in the protector body of the door-use feed protector, and a portion of the circuit assembly led out of the protector body is held by the circuit assembly holding portion and is arranged toward an auxiliary in the door.

Abstract: The invention relates to a circuit breaker having a crossbar (7) that is supported swingably onto a base (1B) to hold swingably movable contacts (4), and has the small reduction of overtravel in the elapsed years, and can reduce its size. The bending modulus of elasticity Eb, Ec of the base (1B) and the crossbar (7) at the ordinary temperature/ordinary humidity satisfy following relationships Eb+Ec≧17000 MPa  (1) 8000 MPa≦Eb  (2) 9000 MPa≦Ec  (3).

Abstract: A one piece seal for an electric switch for sealing the spaces between a pivotal switch actuator and its supporting frame and between such frame and the switch base. This seal comprises a generally rectangular molded member of resilient material having a raised central boot portion containing a pair of downwardly extending leg openings for sealingly receiving respective legs of the switch actuator, a pair of lugs or pads on its bottom surface for locating and retaining the seal with respect to the switch base, and a crisscross pattern of shallow raised ribs on at least one surface of the seal along the perimeter thereof. The seal is pinched between the frame and base, compressing the ribs, and hugs the actuator legs to provide an economical but effective seal.

Abstract: A resistive thermostat for Motors protection against electrical overcurrents and overtemperature, having a rectangular prismatic body, with a front side cover, and a back side face being provided with a corner lowering having a spherical sector shape, as well as a pair of thin rectangular windows, the rectangular body forming an enlargement of its front edge for fitting of the cover, from which a lower tab is appended, having a locating end cutout with reference to two pins of a three-pins connection plug; and further; inside the prismatic box, corresponding to the pair of thin side windows, it is provided an end pair of metallic supports for an electrical resistor, wherein one of such support projects a balanced metallic blade outside the box, including one of its connection terminals, while in the other inner support having a C shaped attached to the end of the balanced bimetallic blade, immediately subjacent and connected in series with the electrical resistor and with the lower opposite and free end of th

Abstract: A new Automatic Thermal Shut-Off Switch for preventing heat damage to a high pressure low volume water pump. The inventive device includes a T-shaped housing having a longitudinal cavity, a bimetallic compression spring within the cavity, a disc within cavity on top of the spring, a pin orthogonally secured to the disc, a first contact, and a second contact electrically in contact. The housing is positioned within an unused port within a pump housing and conducts the heat produced by the pump. The conducted heat expands the spring thereby forcing the pin upwardly to separate the first contact from electrically contact with the second contact.

Abstract: A thermally actuated switching device is disclosed that comprises a fixed contact placed on a proper member, a thermally actuated member such as a bimetallic member in the center of which is formed of a thin dish shape which contributes to a snap-action caused by heating of the bimetallic member, a bracket keeping the thermally actuated member in the concave-formed condition, a movable contact, which contacts on or removes from the fixed contact and is secured on the free end of the thermally actuated member, and a heat-resistant arc shield cantileverly held on the free end of the thermally actuated member or on a proper supporting member against the movable contact mounted surface of the thermally actuated member, so that the arc shield protects the thermally actuated member from an arc being introduced to it and prevents the deviation of the operation temperature of the thermally actuated member at the open or close action.

Abstract: A current interrupting device having improved contact life includes a hermetically sealed housing in which a thermostatic member is adapted to cause electrical contacts to move into and out of engagement depending on the temperature of the thermostatic member. The atmosphere within the housing is a gas having a dielectric strength slightly over the impressed voltage.

Abstract: A current interrupting device having improved contact life incorporates a thermostatic member adapted to cause electrical contacts to move into and out of engagement depending on the temperature of the thermostatic member. The device is evacuated and back-filled with a mixture of argon and helium and then hermetically sealed.