ZW6-12 Series 12KV 3 phase High voltage vacuum circuit breaker

ZW6-12/630-16(20) Series outdoor high voltage vacuum circuit breaker is used for rated voltage 12KV and below, three phases, AC50Hz, power system, to switch on/off loading current, over-current, and short circuit in rural or urban power network, and for similar application, also for sectionalizer of urban 12KV network.

Product Details Company Profile

Description

Place of Origin: Zhejiang, China (Mainland)
Brand Name: AISO/OEM
Model Number: ZW6-12
Type: Vacuum, Indoor
Poles Number: 3
Product: ZW6-12 Circuit Breaker
Rated Voltage: 12KV
Rated current: 630A
Rated frequency: 50Hz
Mechanical life: 10000Times
Uses: High voltage
Standard: IEC
Customized: Accept special order
Port: Ningbo/Shanghai

General Description
ZW6-12/630-16(20) Series outdoor high voltage vacuum circuit breaker is used for rated voltage 12KV and below, three phases, AC50Hz, power system, to switch on/off loading current, over-current, and short circuit in rural or urban power network, and for similar application, also for sectionalizer of urban 12KV network.

Main Technical Parameters

Technical parameters of breaker as sheet 1

Item	Description			Unit	Data
1	Rated voltage			KV	12
2	Rated insulation level	1min withstand voltage	Dry		42
			Wet		34
		Lightning impulse withstand voltage(peak)			75
3	Rated current			A	630
4	Rated frequency			Hz	50
5	Rated short circuit breaking current			KA	12.5 16 20
6	Rated short circuit making current(peak)				31.5 40 50
7	Rated peak withstand current				31.5 40 50
8	Rated short time withstand current				12.5 16 20
9	Operating sequence				OC-0.3s-CO-180S-CO
10	Nos of breaking rated short circuit breaking current			Times	30
11	Mechanical life				10,000
12	Rated operating voltage CT spring operating mechanism provided				DC24,48V,AV DC110V,220V
13	Permissible abraded thickness of contact			mm	3
14	Rated current of over-current release			A	5
15	Weight			kg	130

Note:Please contact the factory to confirm the latest parameters

Breaker assembly and physical parameters as sheet 2

Item	Description		Unit	Data
1	Opening distance of contact		mm	9±1
2	Over travelling distance of contact			3±1
3	Average closing speed		s	1.0±0,2
4	Average opening speed			0.6±0.2
5	Jumping time of contact at closing		ms	≤2
6	Asychrony of three phase opening
7	Closing time		s	≤0.1
8	Opening time	Highest operating voltage		≤0.06
		Lowest operating voltage		≤0.1
9	DC resistance of each phase circuit		μΩ	≤200
10	Central distance between phase(in arc extinguishing chamber)		mm	193