H01H73/22 - CPC Classification

Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electrothermal release and no other automatic release

• H01H73/24 » reset by lever 5
• H01H73/26 » reset by tumbler 29
• H01H73/28 » reset by rotatable knob or wheel 1
• H01H73/30 » reset by push-button, pull-knob or slide 15
• H01H73/32 » reset by closure of switch casing 0
• H01H73/34 » reset action requiring replacement or reconditioning of a fusible or explosive part 1

Recent Application in this class: