"Zw32-12 Outdoor High Voltage Vacuum Circuit Breaker, Reliable, Durable, Easy Installation, IP65 Protection"

Product Description

Product Description
The ZW32-12 outdoor high voltage vacuum circuit breaker, affectionately known as the 'circuit breaker,' is an exemplary outdoor distribution switchgear designed to operate at a rated voltage of 12kV with a robust three-phase AC of 50Hz. This versatile circuit breaker skillfully handles the interruption and connection of load current, overload current, and short circuit current within the power grid. It boasts advanced overload and short circuit protective capabilities, seamlessly fulfilling control and measurement specifications while delivering sophisticated remote control and monitoring functionalities. Its broad usage spans substations, industrial settings, and mining enterprise distribution systems, providing unparalleled control and operation-ideal for environments with frequent operations.

Structural features:
Crafted with precision, the circuit breaker showcases a three-phase pillar dry design;
Engineered with a fully enclosed structure, it offers superior sealing, exceptional moisture resistance, and anti-condensation properties, making it the perfect choice for high-temperature and humid regions;
Employs state-of-the-art vacuum arc extinguishing technology for outstanding insulation reliability;
Delivers flawless opening and closing performance, ensuring safety with no risk of combustion or explosion;
Compact, lightweight, requiring no maintenance, and promises an impressive lifespan;
Versatility in operation-manual, electric, or remote control options available;
The operating mechanism is meticulously sealed at the base of the switch box, effectively safeguarding against outdoor environmental corrosion;
Showcases a novel, simplistic design with a restless mechanism that ensures reliable dynamic performance, compact form, and an astounding service life of up to 10,000 cycles.

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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