AUTOMATIC SWITCH Russian patent published in 2004 - IPC

Abstract RU 2224325 C2

FIELD: electrical engineering. SUBSTANCE: switch has body with cover, free release mechanism with rack, contact system with arc chutes, thermal and electromagnetic maximum current release devices in each pole. Supporting framework made of arc-resistant material is built into arc chute of each pole. Contact post of contact system is located inside supporting framework of each pole, steel plate is cold-hardened in front of contact part of each contact post. EFFECT: enhanced current carrying capacity without increase of overall dimensions. 1 dwg

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RU 2 224 325 C2

Authors

Gavrilenko A.M.

Frolov Ju.A.

Lomakin V.I.

Dates

2004-02-20—Published

2001-03-26—Filed