Electrical switchgear

Details Electrical switchgear Electrical switchgear

1984-02-23

1985-04-23

Pellinen, A. D.

Electrical transmission or interconnection systems

Switching systems

Switch actuation

200148R, 361115, H01H 7104, H01H 3300

Patent

active

045132089

ABSTRACT:
An electrical switchgear having a position detector that detects the state of actuation of switch contacts and a position detector which judges the locking engagement condition of the switch contacts, wherein these position detectors are connected with an optical control unit by an optical cable.

REFERENCES:
patent: 3780349 (1973-12-01), Nitta et al.
patent: 4016384 (1977-04-01), LeRow, Jr. et al.
patent: 4110578 (1978-08-01), Freeman et al.

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