Plug-in circuit breaker

Details Plug-in circuit breaker Plug-in circuit breaker

1990-07-19

1993-01-12

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Ground fault protection

361 46, 361376, 361361, 335 18, H02H 316

Patent

active

051794918

ABSTRACT:
A plug-in ground fault interrupting type circuit breaker includes a resilient jaw for engaging the neutral bar in a loadcenter. The jaw is formed at the end of a conductive strap which passes through the window of a transformer and terminates in a screw terminal for attachment to a neutral load conductor. The phase conductive path also includes a conductive strap that is coupled at one end to a phase load conductor terminal and at its other end to the breaker trip mechanism. The transformer and both strap conductors are mounted to a printed circuit board that is included within the breaker housing. The invention eliminates the separate pigtail for connecting the load neutral conductor to the loadcenter neutral bar.

REFERENCES:
patent: 3246098 (1966-04-01), Hall
patent: 4521824 (1985-06-01), Morris et al.
patent: 4660009 (1987-04-01), Wafer et al.
patent: 4926282 (1990-05-01), McGhie

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