Abstract: An electromagnetic relay includes a fixed terminal, a movable contact piece, a first contact, and a second contact. The fixed terminal includes a first surface. The movable contact piece includes a second surface disposed to face the first surface. The first contact is embedded in one of the fixed terminal or the movable contact piece to be flush with one of the first surface or the second surface. The second contact is disposed on the other of the fixed terminal or the movable contact piece to face the first contact. The second contact protrudes from the other of the first surface or the second surface toward the first contact and include a contact surface smaller than the first contact when viewed from a direction facing the first contact.

Abstract: The emergency stop switch 2 performs an operation support of an operation switch, and not only improves operability and safety but also simplifies the structure to enhance reliability. The emergency stop switch (or operation switch unit) 2 with an operation support function includes an emergency stop button (or operation switch) 21 for switching the state of the contact, a reception part (or detection part) 32 for detecting a remote operation of the emergency stop button 21 and an electromagnetic solenoid (or actuating part) 3 that is disposed between the contact and the emergency stop button 21 and that actuates the emergency stop button 21 on the basis of the remote operation received (or detected) by the reception part 32. The emergency stop button 21 is located on one end side of the emergency stop switch 2 and the contact is located on the other end side of the emergency stop switch 2.

Abstract: To realize both toughness and size reduction of a safety switch. A safety switch is a safety switch into and from which a bolt of an actuator is inserted and pulled out. The safety switch includes a casing having a shape elongated along a first direction, a metal head having a receiving space for receiving the bolt of the actuator and provided on a first end side of the casing in the first direction, a detector for detecting a first state in which the bolt is received in the receiving space, a lock mechanism, a switching device and a first attachment portion provided in the head and having a first attachment hole into which a first attachment member is inserted.

Abstract: Provided is a relay having a structure for preventing deformation of a movable spring when it is caulked. A yoke of the relay has a protrusion for caulking inserted in the movable spring, and a bulge portion adjacent to the protrusion and having a height lower than a height of the protrusion. By providing the bulge portion to the yoke, the dimensional change in the caulking direction of the movable spring when the movable contact is caulked can be reduced.

Abstract: Disclosed is a magnetic force control device improved to be installed even in a narrow space having a small height. The magnetic force control device includes a first pole piece having a first interaction surface, a second pole piece having a second interaction surface, a third pole piece connected to the second pole piece, a coil wound around at least one of the second pole piece and the third pole piece, a stationary magnet fixed between the first pole piece and the second pole piece and a rotary magnet disposed between the first pole piece and the third pole piece and configured to be rotatable by controlling a current flowing through the coil.

Abstract: An electromagnetic relay includes an armature, and a movable body configured to move in association with a swing of the armature. The armature includes a support portion opposed to a leg portion of an iron core, a magnetic pole opposed to another leg portion of the iron core, and an arm portion extending to connect the support portion and the magnetic pole. A movable body is attached to the arm portion and provided with a pressure projection for moving movable contacts. The pressure projection is located on a segment connecting the center of gravity of the support portion and the center of gravity of the magnetic pole.

Abstract: An electromagnetic relay has a fixed touch piece having a fixed contact, a movable touch piece having a movable contact contactably and separably opposed to the fixed contact, and configured to elastically deform, an auxiliary member configured to energize the movable touch piece to the fixed contact piece side, an electromagnet, and an intermediate member configured to be operated by magnetization of the electromagnet and elastically deform the movable touch piece.

Abstract: An electromagnetic relay has an iron core having legs at both ends and a coil wound therearound to form an electromagnet, a movable iron piece that pivotally supports a pivoting shaft along one leg of the iron core and causes a tip of a pivoting arm extended from a side edge of the pivoting shaft toward the other leg of the iron core to face the other leg of the iron core in a contactable and separable manner, and a card whose side facing the movable iron piece is in contact with the pivoting arm of the movable iron piece. The movable iron piece that pivots based on the excitation and degaussing of the electromagnet presses the card to drive a contact mechanism.

Abstract: A contact mechanism with long contact lifetime comprises a base; a movable touch piece that comprises a movable contact and stands in the base; and a fixed touch piece that comprises a fixed contact and stands in the base, wherein the movable contact is opposed to the fixed contact and configured to come into contact with and separate from the fixed contact, an operation member configured to move reciprocally in a horizontal direction is configured to press and release an upper end edge of the movable touch piece, and the movable touch piece is configured to turn to cause the movable contact to come into contact with and separate from the fixed contact, and the movable contact is fixed to a turning tongue piece that is formed cut out by providing a curved cutout groove in the movable touch piece.

Abstract: According to an embodiment, when a switchgear operating state is shifted from a close state to a cutoff state, a solenoid lever is pushed and rotated by a plunger of an electromagnetic solenoid for cutoff so that the solenoid lever rotates in a direction opposite from the direction of the urging of a solenoid-lever return spring. A trigger roller pin and the solenoid lever become disengaged from each other, an eccentric pin and a trigger lever are rotated by the urging force from a latch leading end become disengaged from each other, whereby a latch lever is rotated by the released energy of a cutoff spring.

Abstract: An auxiliary contact mechanism of a magnetic contactor includes: a contact support member having an axial recess portion formed in the center in a vertical direction; a stationary contact; a movable contact; a permanent magnet position-fixed to the contact support member and applying magnetic attractive force to restrain the movable contact so that the circuit closing position that the movable contact is in contact with the stationary contact is maintained; and a slide movable supporter having a pressing projection portion formed at a position separated apart by a predetermined distance from the movable contact when in the circuit closing position and pushing the movable contact to release the movable contact from a restrained state after a predetermined delay time has passed, when the slide movable supporter is moved downwardly upon receiving downward pressing force by the main contact slide support member.

Abstract: Exemplary embodiments relate to a drive for a switch disconnector having C or O switching capacity and a switching pin acting as switching contact. A spindle drive is driven by an electric motor and has a spindle nut. An actuating element, which is loaded by a compression spring and is capable of pivoting about a fixed pivot point, is acted upon by the spindle nut. The actuating element for its part interacts with an actuating apparatus which actuates the switching pin.

Abstract: A latching relay has a fixed iron core including an exciting coil wound around an intermediate portion and a magnetic pole piece at two ends; movable iron pieces sandwiching a permanent magnet between two bar-shaped iron pieces disposed in parallel with each other, and are fixed with a holder; and a switchable electrical contact portion. The fixed iron core and the movable iron pieces are disposed facing each other to insert each of the magnetic pole pieces on two sides of the fixed iron core to be spaced apart in a space between the two bar-shaped iron pieces of two end portions of the movable iron pieces. The movable iron pieces are supported pivotally in a direction in which the two bar-shaped iron pieces are aligned. The movable iron pieces are linked to the electrical contact portion, and the movable iron pieces perform a switching of the electrical contact portion.

Abstract: An electromagnetic relay has a fixed touch piece having a fixed contact; a movable touch piece, having a movable contact contactably and separably opposed to the fixed contact, and configured to elastically deform, an electromagnet, an intermediate member that rotates based on magnetization and demagnetization of the electromagnet and elastically deforms the movable touch piece, and an energization unit that energizes the movable touch piece to the fixed contact piece side via the intermediate member.

Abstract: An electromagnetic contactor has a pair of fixed contacts; a movable contact disposed to be capable of contacting with and separating from the pair of fixed contacts; and an electromagnetic unit driving the movable contact. The electromagnetic unit has a magnetic yoke having an open upper part; an upper magnetic yoke cross-linked in the open upper part of the magnetic yoke; a spool having a central opening in which an exciting coil is wound around the spool; a movable plunger movably disposed in the central opening of the spool in an axial direction and having a tip end protruding, the movable plunger urged by a return spring; and an auxiliary yoke forming a magnetic path between the movable plunger and the U-shaped magnetic yoke when the movable plunger is in an open position. The movable plunger is coupled to the movable contact through a coupling shaft.

Abstract: An electromagnetic relay is provided with an armature which is pulled by an electromagnet and a card which transmits operation of the armature to the moving electrode plate. The armature includes an engagement part which engages with the card. The card includes a pedestal part which extends from the card body, a deforming part which extends from the card body and can elastically deform, and a tab which sticks out toward the pedestal part. The deforming part has a first part which extends from the card body and a second part which extends bent from the first part. The engagement part is sandwiched between the pedestal part and the second part. The ends in the width direction of the surface which the tab contacts when the engagement part is pushed between the pedestal part and the tab are formed with inclined parts.

Abstract: A contact point device 1 includes a drive block 2 that has a drive shaft 25 to which a movable contactor 29 is attached, and drives the movable contactor 29. The movable contactor 29 is attached to the drive shaft 25 so as to be movable relatively to the drive shaft 25 in an axial direction of the drive shaft, and in addition, relative movement thereof in the axial direction is regulated due to abutment of the movable contactor 29 against a regulating portion 60. Then, between the movable contactor 29 and the regulating portion 60 is formed a rotational movement deregulating portion 80, which relaxes the regulation by the regulating portion 60 for the relative rotational movement of the movable contactor 29 in the axial direction.

Abstract: An electromagnetically operated switching device according to the present invention includes a pair of electromagnetically operated mechanisms for driving a main circuit contact of a switch via a link mechanism symmetrically arranged with respect to an operational center axis, and a length of a spring retaining plate can be regulated in accordance with a change of a link ratio, which is caused by a design change of the main circuit contact.

Abstract: An electromagnetic contactor has a contact device including a pair of fixed contacts disposed maintaining a predetermined distance and a movable contact disposed to be capable of contacting to and separating from the pair of fixed contacts. The pair of fixed contacts each includes a support conductor portion supported by an upper plate of a contact housing case, and a contact conductor portion connected to an end portion of the support conductor portion. The contact conductor portion includes a contact plate portion formed with a contact portion, and a connecting plate portion formed on an outer end portion of the contact plate portion and extending to the upper plate side. The movable contact is mounted onto a connecting shaft connected to a drive portion through a contact spring on an end portion on the upper plate side, and disposed to face the contact portion of the pair of fixed contacts.

Abstract: A switch linkage mechanism includes a self-holding solenoid, at least a linkage shaft, at least a twist bar and at least a copper strip set. When the twist bar is at a circuit-closed position, the copper strip set is electrically connected to the high-current circuit breaker. When a self-holding solenoid is activated to pull up a central axle of the self-holding solenoid, the central axle pulls a joint of the linkage shaft and the central axle, and then it pushes the twist bar to be rotated to an circuit-opened position, so that the twist bar stretches out the copper strip set to cause the switch linkage mechanism to be electrically disconnected from the large-current circuit breaker.

Abstract: An electromagnetic relay including an electromagnet block having a rod-shaped iron core, a coil wound around the rod-shaped iron core, and a spool interposed between the coil and iron core. A yoke having one end section extends to a section at a side of a magnet pole section of the iron core. An end section of the yoke is arranged so that the magnet pole section has a gap on a base side. A moving iron is pivotably supported by an elastic support of a hinge spring. The electromagnet block is magnetized wherein a section drawn in the moving iron is drawn to the magnet pole section and pivoted to drive a contact switching unit. The hinge spring includes an elastic contacting portion extending toward an opposite side to the elastic support. The moving iron is integrated with a card member that comes in contact with the elastic contacting portion.

Abstract: An electromagnetic contactor has a pair of fixed contacts; a movable contact disposed to be capable of contacting with and separating from the pair of fixed contacts; and an electromagnetic unit driving the movable contact. The electromagnetic unit has a magnetic yoke having an open upper part; an upper magnetic yoke cross-linked in the open upper part of the magnetic yoke; a spool having a central opening in which an exciting coil is wound around the spool; a movable plunger movably disposed in the central opening of the spool in an axial direction and having a tip end protruding, the movable plunger urged by a return spring; and an auxiliary yoke forming a magnetic path between the movable plunger and the U-shaped magnetic yoke when the movable plunger is in an open position. The movable plunger is coupled to the movable contact through a coupling shaft.

Abstract: An electromagnetic relay includes: a main body including: a first cover; an electromagnet having a first terminal extending toward the outside from a bottom surface of the first cover; and a contact portion that opens and closes according to a magnetic attractive force of the electromagnet, and has a second terminal extending toward the outside from the bottom surface of the first cover; a cable line drawn out to the outside of the electromagnetic relay; and a printed circuit board that fixes the cable line to at least one of the first terminal and the second terminal by dip soldering, and electrically connects the cable line to the at least one of the first terminal and the second terminal.

Abstract: A contact device (1) includes a base (41), a movable contact member (29) stored inside the base (41), and one or more rotation stoppers (50) formed separately from the movable contact member (29) and provided between the movable contact member (29) and the base (41) so as to regulate a rotation of the movable contact member (29). At least one rotation stopper (50) regulates a movement in one rotating direction of the movable contact member (29).

Abstract: A latching relay has a fixed iron core including an exciting coil wound around an intermediate portion and a magnetic pole piece at two ends; movable iron pieces sandwiching a permanent magnet between two bar-shaped iron pieces disposed in parallel with each other, and are fixed with a holder; and a switchable electrical contact portion. The fixed iron core and the movable iron pieces are disposed facing each other to insert each of the magnetic pole pieces on two sides of the fixed iron core to be spaced apart in a space between the two bar-shaped iron pieces of two end portions of the movable iron pieces. The movable iron pieces are supported pivotally in a direction in which the two bar-shaped iron pieces are aligned. The movable iron pieces are linked to the electrical contact portion, and the movable iron pieces perform a switching of the electrical contact portion.

Abstract: An electromagnetic relay (1) is formed by assembling a drive part (30), mobile body (50) that moves when the drive part (30) is driven, and a plurality of contact mechanisms (60, 70) that switch the contact and separation of contacts (61d, 62d, 71d, 72d) by the movement of the mobile body (50) in a body (40). Furthermore, the plurality of contact mechanisms (60, 70) has respective movable contact parts (61, 71) and fixed contact parts (62, 72). The electromagnetic relay (1) has at least one contact mechanism (60) provided with contacts (61d, 62d) connected respectively to the movable contact part (61) and fixed contact part (62) and also has at least one contact mechanism (70) in which either or both of the movable contact part (71) and fixed contact part (72) is provided with a plurality of contacts (71d, 72d).

Abstract: A solenoid operated device includes: a fixed iron core formed of a horizontal iron core portion and vertical iron core portions; a movable iron core disposed in an axially displaceable manner with respect to the fixed iron core; a magnet coil disposed between the movable iron core and the vertical iron core portions of the fixed iron core; and a drive shaft installed at an axial center portion of the movable iron core and driving a switchgear to open and close a switch thereof. The solenoid operated device is provided with a stopper installed on the drive shaft in a shaft portion penetrating through the horizontal iron core portion of the fixed iron core and regulating an opening direction position of the movable iron core by abutting on the horizontal iron core portion of the fixed iron core during an opening operation of the switchgear.

Abstract: A device and method for operating automotive battery system relays and related switches. By aligning a magnetic field with a direction of current flow in a contact plate disposed between magnets that are producing the field, a generated Lorentz force can be used to promote arc extinguishing during a relay opening sequence, while simultaneously reducing the tendency of the Lorentz forces to interfere with the operation of a solenoid or other switch-activating mechanisms. By using a rotary-based mechanism to establish contact between a contact plate and current-carrying terminals, the likelihood of inadvertent opening of the relay is reduced. Such devices and methods may be used in conjunction with hybrid-powered and electric-powered vehicles.

Abstract: A magnetic actuator unit is provided for a circuit breaker, such as a medium voltage vacuum circuit breaker. The magnetic actuator unit includes a core, a coil, an actuating shaft, a first movable plate, a second movable plate, and a non-magnetic flat insert arranged between the core and the second movable plate. The magnetic actuator unit configured to switch the circuit breaker ON and OFF by moving the first movable plate between an ON position and an OFF position. The non-magnetic flat insert and the second movable plate are configured to adjust a holding force of the magnetic actuator unit provided by the second movable plate at the OFF position. The holding force is sufficient for holding the second movable plate at the OFF position against outer forces that are acting on the magnetic actuator unit.

Abstract: A system for reducing the peak power consumption by a refrigeration system is provided. The system comprises a first electromechanical cold control calibrated to a first temperature setpoint, a second electromechanical cold control calibrated to a second temperature setpoint, said first and second cold controls each having a setpoint selector member operatively linked such that adjustment of one results in a corresponding adjustment of the other, a DSM module responsive to demand state signals from an associated utility indicative of at least a peak demand and an off peak demand state, and a DSM switching device responsive to the DSM module and operative to selectively render one or the other of the cold controls effectively operative to control the cooling system depending upon the demand state signal.

Abstract: A switching electrical power contactor having a bi-blade type switch, has ferrous plates attached to the blades to increase the current carrying capacity and reduce the resistance of the switch. The contacts of the switches are arranged in pairs with at least one pair of contacts being arranged to close before another pair of contacts.

Abstract: A device and method for operating automotive battery system relays and related switches. By aligning a magnetic field with a direction of current flow in a contact plate disposed between magnets that are producing the field, a generated Lorentz force can be used to promote arc extinguishing during a relay opening sequence, while simultaneously reducing the tendency of the Lorentz forces to interfere with the operation of a solenoid or other switch-activating mechanisms. By using a rotary-based mechanism to establish contact between a contact plate and current-carrying terminals, the likelihood of inadvertent opening of the relay is reduced. Such devices and methods may be used in conjunction with hybrid-powered and electric-powered vehicles.

Abstract: There is provided a drive lever incorrect assembly detection portion (9d) and (14) which causes another end portion (9a) of a drive lever (9) to protrude to a position, of a case (4), to which a cover (5) is attached such that the cover (5) cannot be attached to the case (4) in a state where the drive lever (9) is assembled in an incorrect direction.

Abstract: There is provided a drive lever incorrect assembly detection portion (9d) and (14) which causes another end portion (9a) of a drive lever (9) to protrude to a position, of a case (4), to which a cover (5) is attached such that the cover (5) cannot be attached to the case (4) in a state where the drive lever (9) is assembled in an incorrect direction.

Abstract: An electromagnetic relay includes an electromagnet part, an actuating part, a contact part and a base for holding the electromagnet part, the actuating part and the contact part. The contact part includes a pair of fixed plates having one end fixed to the base and the other end to which a fixed contact is attached, a pair of movable springs having one end fixed to the base and the other end to which a movable contact is attached, and a connecting portion extending between the movable springs and electrically connecting the movable contacts to each other. The actuating part is actuated so as to press only a part of the movable springs inside an area defined between longitudinal axes extending between one end and the other end of the movable springs through the movable contact, when the contact part closes.

Abstract: The electromagnetic switch includes an excitation coil serving as an electromagnet when energized, a fixed core magnetized by the electromagnet, a movable core configured to move by being attracted by the fixed core being magnetized, a pair of fixed contacts interposed in an electrical circuit, and a movable contact configured to move in accordance with movement of the movable core to make and break electrical connection between the fixed contacts. The electromagnetic switch further includes a stopper for restraining movement of the movable core for preventing short-circuit between the fixed contacts through the movable core due to abrasion of members of the electromagnetic switch.

Abstract: An apparatus (1) monitors a protective device (2) of a machine (4). The apparatus (1) has a switch housing (22) with a switch head (24) and an actuator (8). In the closed state of the protective device (2), the actuator interacts with the switch head (24) with that closed state being signaled. The apparatus (1) has a tumbler device (20) with a tumbler element (30) mounted movably in the apparatus (1) to lock releasably the closed state. The tumbler device (20) has a permanent magnet (34). The magnetic force fixes the tumbler element (30) in a first position when the power supply to the apparatus (1) is switched off to lock the closed state of the protective device (2), in a second position with the tumbler device (20) not locking the closed state.

Abstract: An electromagnetic relay includes a relay body, a connector and an electronic-component connection terminal. The connector is provided integrally with the relay body. The electronic-component connection terminal is disposed so as to protrude from the relay body.

Abstract: An electromagnetic contact device has a contactor holder (40), which moves a mounted movable contactor (42a) according to a displacement of a movable core (32) forming an electromagnet (30) for operation. The contactor holder (40) is being housed together with the electromagnet (30) for operation in a case (1). The case (1) has a lower case portion (10) housing the electromagnet (30) for operation and an upper case portion (20) engaging with the lower case portion (10) while being stacked on the lower case portion and houses the contactor holder (40) advanced from above. The upper case portion (20) has a recess (21) with an upward opening and houses the contactor holder (40) placed on the bottom wall of the recess (21). The lower case portion (10) houses one selected either a DC-only electromagnet (30b) or an AC-only electromagnet (30a).

Abstract: An electromagnetically operated switching device according to the present invention includes a pair of electromagnetically operated mechanisms for driving a main circuit contact of a switch via a link mechanism symmetrically arranged with respect to an operational center axis, and a length of a spring retaining plate can be regulated in accordance with a change of a link ratio, which is caused by a design change of the main circuit contact.

Abstract: A connection structure of an armature and a pushing mechanism of a relay has an armature and a pushing block. The head of the armature is T-shaped and connected by a vertical arm and a cross arm. One end of the pushing block has a bar-shaped through hole and a bar-shaped blind hole, disposed alongside and vertical to the motion direction of the pushing block. A through groove to connect the bar-shaped trough hole and the blind hole is disposed at the centre of the bar-shaped through hole and the blind hole. With the through groove, the T-shaped armature head can move along the through groove when the T-shaped armature head is shoved into the bar-shaped through hole. The cross arm of the T-shaped armature head is dropped into the bar-shaped blind hole to cooperate with the bar-shaped blind hole to drive the pushing block when the armature swings.

Abstract: An apparatus (1) for monitoring the state of a protective device (2) of a machine (4) in particular is a safety switch for monitoring the closed state of a protective door or the like. The apparatus (1) has a switch housing (22) with a switch head (24) and an actuator (8). In the closed state of the protective device (2), the actuator interacts with the switch head (24) and, as a result, the closed state of the protective device (2) can be signaled. The apparatus (1) has a tumbler device (20) with a tumbler element (30) mounted movably in the apparatus (1) and by which the closed state of the protective device (2) can be locked releasably. The tumbler device (20) has at least one permanent magnet (34).

Abstract: The invention relates to a switching relay (1), particularly for a starting device for starting an internal combustion engine, having a contact device (5), a relay coil (2), an armature (3), and an actuating rod (4), wherein the actuating rod (4) is displaced placed by the armature (3) when current is applied to the relay coil (2) and the contact device (5) is actuated by the actuating rod (4), and having a contact ripping device by means of which the armature (3) and the actuating rod (4) are coupled to each other. In order to simplify assembly and disassembly, the contact ripping device is implemented having a latching device in the armature (3) .

Abstract: An electrical switching device includes first and second circuit assemblies. Each of the first and second circuit assemblies includes a base terminal and a moveable terminal movable between an open state and a closed state. The movable terminal is electrically connected to the base terminal in the closed state. An actuator assembly is electromechanically controlled by a motor. The actuator assembly includes a pivot member rotated by the motor that has a post extending outward from a pivot body. An actuator is moved by the pivot member and is movable between a first position and a second position. The actuator is operatively coupled to the moveable terminals of the first and second circuit assemblies. The actuator moves the movable terminals to the closed state as the actuator is moved from the first position to the second position. The actuator has a pocket with a compression spring received in the pocket. The compression spring extends between a first end and a second end. The first end engages the actuator.

Abstract: A micro switch is disclosed and includes a bracket, at least one conductive terminal assembly, a push rod and an electro-magnet. The conductive terminal assembly has a first terminal, an elastically conductive plate, a spring and a second terminal. A first end of the spring is hooked on the first terminal, and a second end thereof is hooked on the elastically conductive plate. The push rod is slidably installed on the bracket, and has a recess, a sliding inclined surface and a top flat surface. The push rod can be slid to cause the spring to slide into the recess and onto the top flat surface. Thus, the spring can actuate the elastically conductive plate to pivotally rotate and abut against the second terminal. Thus, the structure of the micro switch is simplified and the installation thereof is easier.

Abstract: In an electromagnetic switching apparatus, a fixed core is fixedly-installed at a lower side, and a movable core driven by an electromagnetic force is installed at an upper side so as to be directly connected to a movable contact. This may require no shaft, and thus simplify the entire structure.

Abstract: An electromagnetic relay includes: an electromagnetic block a bobbin including collar parts at both ends of a coil winding part on which a coil is wound, an iron core and a yoke; a contact block including a fixed contact and a movable contact; a pair of partition walls provided in parallel with the axial direction of the coil, opposing each other with the coil sandwiched therebetween and abutting on both the collar parts of the bobbin; and a case that accommodates therein the electromagnet block, the contact block and the partition walls. Inner wall surfaces of the case abut on both the collar parts of the bobbin and the partition walls from a direction intersecting both a direction in which the pair of partition walls oppose and the axial direction of the bobbin.

Abstract: A switch is disclosed. In at least one embodiment, the switch is a load breaking switch including a rotor which is embodied in particular as a switch shaft segment, and a contact arm which is pivotally mounted in the rotor and is pivotable between an ON and OFF position about an axis of rotation and at the free end of which is a contact piece which is pivotable together with the contact arm and is in contact with an opposite fixedly arranged contact piece when the contact arm is in its ON position. In at least one embodiment, the current flows through the switch via the contact pieces and the contact arm, wherein the contact arm is pivotable into its OFF position when the current flowing via the contact pieces exceeds a value, in particular the rated current value or an overload current value.

Abstract: A solenoid includes a solenoid housing defining a solenoid centerline; and an ignition magnetic switch including an ignition magnetic switch coil disposed at least partially within the housing, the ignition magnetic switch coil having a magnetic field that encompasses the solenoid centerline.

Abstract: An apparatus for auxiliary contact of circuit breaker is disclosed that is capable of preventing an erroneous operation of and damage to an ON/OFF switch caused by over-stroke of a linkage mounted at an auxiliary contact apparatus, and enhancing reliability despite repeated opening/closing thereof.