10kV MV Outdoor Vacuum Circuit Breaker/VCB Switch on Pole, ZW32-12(G)C

EXZW32-12(G)C

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1 piece

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1.General description
EXZW32-12C type outdoor H.V. vacuum automatic recloser is used in tri-phase distributed power system of AC 50 Hz, voltage 12kV. It can automatically breaking and reclosing operation in AC lines according to preconcerted breaking and reclosing order, and then automatically restore, or lock H.V. switch equipment with control and protection function used with sectionalizer. It can realize distribution automatically without another control system. The system can rapidly subsection and isolate fault, reduce the range of power cut to least. It is the reasonable equipment for transforming urban and rural net, can be matched with isolating switch according to customers.
This circuit breaker should match with voltage transformer.

2.Main technical parameter

Item	Unit	Data
Rated voltage	kV	12
Rated insulation level lightning impulse withstand voltage (peak)	kV	75
Rated insulation level 1min power frequency withstand voltage dry-type	kV	42
Rated insulation level 1min power frequency withstand voltage wet-type	kV	34
Rated current	A	200 400 630
Rated short-circuit breaking current	kA	12.5 16 20
Rated operating sequence		O-0.3s-CO-180s-CO
Rated short-circuit breaking times	time	30
Rated short circuit making current (peak)	kA	50
Rated peak withstand current	kA	50
Rated short time withstand current	kA	12.5 16 20
Rated short circuit duration	s	4
Opening time under rated operation voltage	ms	15~50
Closing time	ms	25~50
Mechanical life time	time	10000
Rated operation voltage & rated control voltage of auxiliary circuit	V	~220 ~110 ~24
Energy-stored time under rated voltage	s	<10
CT ratio	A	()/5
CT capacity	VA	15
PT output voltage	V	~220~110 ~24
PT capacity	VA	600
Over current adjust	A	2~10
Delay time	ms	40~850
Fast-break current	A	18
Remote-control distance	m	30
Rated input power of energy-stored motor	W	40

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