Phase reversal switch mechanism

Details Phase reversal switch mechanism Phase reversal switch mechanism

1980-12-22

1982-11-02

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Sequential operations

200 18, H01H 900, H01H 300

Patent

active

043575021

ABSTRACT:
Phase reversal switch apparatus for a three-phase high-current isolated phase bus circuit includes a non-reversing phase switch, and two groups of two reversing phase switches. The apparatus also includes a phase reversal mechanism having a rotatable operating shaft with a drive lever, a non-reversing lever, and two reversing levers coupled thereto. Locking and drive couplings are selectively engaged with the levers and operated by a shift actuator and a switch actuator to selectively operate the non-reversing switch and the first and second reversing switches to effect a phase sequence reversing operation in a secure and efficient manner.

REFERENCES:
patent: 3673426 (1972-06-01), Weston et al.

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