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US 5,440,088 AGranted
Molded case circuit breaker with auxiliary contacts
AssigneeMerlin Gerin
InventorsPatrick Coudert, Jean-Pierre Nereau, Philippe Perrier
Life of this patent
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Abstract
A molded case circuit breaker includes standard compartments each designed to accommodate a standard auxiliary indication or control unit. Each compartment is assigned to a predetermined function, the control device associated with this compartment being connected to the corresponding components of the circuit breaker supplying the information relating to this function. Customization of the circuit breaker can be performed by the distributor or fitter who fits a standard auxiliary unit in the compartment or compartments.
Claims10
A low-voltage electrical circuit breaker, comprising:
- a plurality of juxtaposed poles, each pole comprising at least one stationary contact, a movable contact and a bar section bearing the movable contact;
- a molded case which houses said poles, said molded case having a base and a cover, and a plurality of compartments arranged in said cover;
- a spring mechanism for actuating the bar sections, said spring mechanism having two stable positions, including a set position and a discharged position;
- a manual operating handle connected to said spring mechanism, said manual operating handle protruding through said cover;
- a trip device for automatically opening said movable and stationary contacts when a fault occurs;
- and
- at least one auxiliary unit adapted for reception in any of the compartments, said at least one auxiliary unit being adapted to perform at least one of an indication and control function, wherein each compartment has a standard configuration and includes a control device for activating said at least one auxiliary unit.
4 more elements
Dependencies are inferred from the claim text.