SINGLE-PISTON THREE-POLE LOAD SWITCH Russian patent published in 1995 - IPC

Abstract RU 2037228 C1

FIELD: electrical engineering. SUBSTANCE: single-piston three-pole load switch has arc chutes, mobile and immobile contacts, piston cylinder with piston for pressure pumping which is common for three poles arranged around piston cylinder. Arc chutes of each pole border on piston cylinder and communicate with its space. Mobile contacts of three poles are anchored on insulation cross-piece which is coupled to piston by means of rod. EFFECT: enhanced switching efficiency. 2 dwg

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RU 2 037 228 C1

Authors

Mikaeljan R.A.

Chemeris V.S.

Dates

1995-06-09—Published

1993-06-15—Filed