Mounting arrangement for circuit breaker current sensing transfo

Details Mounting arrangement for circuit breaker current sensing transfo Mounting arrangement for circuit breaker current sensing transfo

1986-04-28

1987-03-24

Kucia, R. R.

Electricity: electrical systems and devices

Miscellaneous

339 17R, 339 17CF, 336 65, 361400, 361419, H05K 118

Patent

active

046529756

ABSTRACT:
Miniaturized current sensing transformers are electrically and mechanically attached to the printed wiring board carrying the electronic trip unit circuit within molded case circuit breakers. Electrical contacts extending from the current sensing transformers project through openings in the wiring board to springingly engage metal posts extending from the printed wiring board surface. Notched posts mounted on the current sensing transformers, co-extensive with the contacts, snappingly engage the sides of the printed wiring board for good mechanical support and to maintain alignment between the current transformers on the printed wiring board.

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Neimer et al., Coil Retainer, IBM Tech. Disc. Bull., V. 20 #4, Sep. 1977, p. 1323.

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