TREA

Devices for ensuring operation of the switch at a predetermined point in the ac cycle

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Industry

  • CPC
  • H01H33/44
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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means

Current Industry

H01H33/44Devices for ensuring operation of the switch at a predetermined point in the ac cycle
Industries