H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/59
H01H 73/48 (2006.01) H01H 71/08 (2006.01) H01H 71/24 (2006.01) H01H 73/52 (2006.01) H01H 83/12 (2006.01)
Patent
CA 1075291
BIPOLAR PROTECTIVE SWITCH ABSTRACT OF THE DISCLOSURE A bipolar protective switch has a two-piece housing. An electromagnet constitutes the actuating device made either in the form of a zero voltage actuator or an excess current actuator. The armature of the electromagnet drops in the event of a voltage failure or is attracted if an excess current appears, thus disconnecting the switch. The switch can be turned back on again only after the voltage returns or normal current returns by the actuating device. A rocker is disposed on the narrow upper surface between the two pieces of the housing as the actuat- ing member. The electromagnet and connecting members are disposed on the underside of the housing, a portion of the electromagnet being located between the two pieces of the housing. A sup- port of an insulating material, is disposed in the housing upon which support connecting members are disposed. Two fixed contact members located side by side and two movable contacts as well as a lever which is common to the two movable contacts is swivelable, and is subject to the force of a spring, the lever being connected to the rocker by a yoke. The lever is lockably connected with one arm of a two-armed release lever disposed on the support, the other arm being effectively connected with a release rod of the electromagnet.
300039
Flory Josef
Rusch Arthur
LandOfFree
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