ETW,ZN73-12 Vacuum Circuit Breaker (VS1),China ZN73-12 Vacuum Circuit Breaker (VS1) Manufacture

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ZN73-12 Vacuum Circuit Breaker (VS1)

ZN73-12 Vacuum Circuit Breaker (VS1)

ZN73-12 Vacuum Circuit Breaker (VS1)

ZN73-12 vacuum circuit breaker, a kind of indoorAC high voltage vacuum breaker, is ideal for switching over loads of variouscharacters and also forfrequentoperationinpowersystemsof3-phase,AC50Hzandwithratedvoltageupto24kV.
Itcanbeusedforprotectingandcontrollingofelectricalequipmentinindustrialplants,mines,powergenerationplantsandsubstations.

Technical specifications

Item		Unit	Data
Rated voltage		kV	12	17.5	24
Rated insulation level	1 min power frequency withstand voltage	kV	42	50	65
	Rated lighting impulse withstand voltage	kV	75	95	125
Rated frequency		Hz	50	50	50
Rated current		A	630, 1250, 1600, 2000, 2500, 3150	630, 1250, 1600,	630, 1250, 1600, 2000, 2500, 3150
Rated short-time withstands current(RMS)		kA	16, 20, 25, 31.5, 40	20, 25, 31.5	20, 25, 31.5
Rated active on-load breaking current		kA	40, 50, 63, 80, 100	50, 63, 80	50, 63, 80
Rated withstands current (peak)		kA	16, 20, 25, 31.5, 40	20, 25, 31.5	20, 25, 31.5
Rated short-time breaking current		kA	40, 50, 63, 80, 100	50, 63, 80	50, 63, 80
Rated short-time continuous time		s	4
Rated operation sequence			O-0.3s-CO-180s-CO
Mechanical life		Times	M2
Rated operation power supply voltage		V	AC220/DC220
Full breaking time		Ms	70

People Group is a professional manufacturer and supplier ofvacuum circuit breaker, based in China. Our products mainly includedistribution box, AC contactor, relay, master switch and circuit breakers. Inorder to ensure our customers find the product they require, we also offermotor protection circuit breaker, molded case circuit breaker and earth leakagecircuit breaker, etc. Meanwhile, we can also design and manufactureelectrical devices according to customers requirements and offer equipmentinstallation and OEM services.

If youhave any questions, please contact us.

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