Electricity: electrothermally or thermally actuated switches – With separate distinct diverse art-type switching device – Fusible element device with other
Patent
1989-07-11
1990-08-14
Broome, H.
Electricity: electrothermally or thermally actuated switches
With separate distinct diverse art-type switching device
Fusible element device with other
337 2, 337150, H01H 8500, H01H 7120
Patent
active
049490605
ABSTRACT:
The invention provides an isolating fusible link, in series with a transformer primary circuit breaker device, for producing an isolating gap after an occurrence of a primary fault condition. More particularly, the invention provides an apparatus comprising a power transformer primary circuit breaker device adapted to be electrically connected in a circuit and including a first contact, and a second contact movable out of engagement with the first contact to open the circuit and movable into engagement with the first contact to close the circuit; and a fuse device including a fusible link connected in electrical series with the breaker device, and adapted to fuse upon an overcurrent condition in the circuit, and structure for moving and maintaining the second current out of engagement with the first contact in response to fusing of the fusible link.
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Broome H.
Cooper Power Systems, Inc.
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