12kv, IP65 Outdoor High Voltage Vacuum Circuit Breaker Recloser Disconnector

Product Description

Product Description ZW32-12 outdoor high voltage vacuum circuit breaker (hereinafter referred to as "circuit breaker") is an outdoor distribution switchgear with rated voltage of 12kV and three-phase AC of 50Hz. The circuit breaker is mainly used for breaking and closing the load current, overload current and short circuit current in the power line. It has overload and short circuit protection function, meets the requirements of control and measurement, and can also realize remote control and monitoring function. It is widely used in substation, industrial and mining enterprise distribution system as control and operation, especially suitable for frequent operation places.

Structural features:
The overall structure is three-phase pillar dry structure;
Fully enclosed structure, good sealing performance, good moisture-proof and anti condensation performance, suitable for high temperature and humid areas;
Vacuum arc extinguishing is adopted for reliable insulation;
The opening and closing performance is reliable, and there is no danger of combustion and explosion;
Small size, light weight, maintenance free, long service life;
It can be operated manually, electrically or remotely;
The operating mechanism is sealed at the bottom of the switch box, which can effectively avoid the corrosion of the switch caused by long-term outdoor environment;
The restless mechanism has the advantages of novel design, simple structure, reliable dynamic performance, small volume, and its service life can reach 10000 times.
(Updated2025.3.5day)
Detailed Photos
Product Parameters Main technical parameters:

No	Name			Unit	Data
1	Rated voltage			kV	12
2	Rated current			A	630	1250
3	Rated frequency			Hz	50
4	Rated insulation level	1min power frequency withstand voltage	Dry test	/	42/48(fracture)
			Wet test		34
			Secondary circuit to ground		2
		Lightning impulse withstand voltage (peak value)			75/85(fracture)
5	Rated short circuit making current (peak value)			kA	50	63
6	Rated short time withstand current			kA	20	25
7	Rated peak withstand current			kA	50	63
8	Breaking times of rated short circuit breaking current			Times	30
9	Rated short circuit duration			s	4
10	Rated operating voltage and rated voltage of auxiliary circuit			V	DC220,AC220 ,AC/DC220
11	Rated operation sequence			/	Off-0.3s-on-off-180s-on-off
12	Rated current of over current trip			A	5
13	Mechanical life			second	10000
14	Allowable wear accumulative thickness of moving and static contacts			mm	3
15	Rated current of over current release			A	5
16	Current ratio of current transformer			/	200/5 400/5 600/5
17	Contact opening distance			mm	9±1
18	Contact overtravel			mm	2±0.5
19	Average opening speed			m/s	1.2±0.3
20	Average closing speed			m/s	0.6±0.2
21	Opening time			ms	≤40
22	Closing time			ms	20~45
23	Closing bounce time			ms	≤2
24	Asynchrony of three phase closing and opening			mm	≤2
25	Three phase circuit resistance			μΩ	≤80 Band isolation≤120

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