Best quality Automatic Transfer Switch 2500a - ZW6-12/630-16(20) Series outdoor high voltage vacuum circuit breaker – Aiso

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Best quality Automatic Transfer Switch 2500a - ZW6-12/630-16(20) Series outdoor high voltage vacuum circuit breaker – Aiso Detail:

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	Ratedvoltage			KV	12
2	Ratedinsulationlevel	1minwithstandvoltage	Dry		42
			Wet		34
		Lightningimpulsewithstandvoltage(peak)			75
3	Ratedcurrent			A	630
4	Ratedfrequency			Hz	50
5	Ratedshortcircuitbreakingcurrent			KA	12.51620
6	Ratedshortcircuitmakingcurrent(peak)				31.54050
7	Ratedpeakwithstandcurrent				31.54050
8	Ratedshorttimewithstandcurrent				12.51620
9	Operatingsequence				OC-0.3s-CO-180S-CO
10	Nosofbreakingratedshortcircuitbreakingcurrent			Times	30
11	Mechanicallife				10,000
12	RatedoperatingvoltageCTspringoperatingmechanismprovided				DC24,48V,AVDC110V,220V
13	Permissibleabradedthicknessofcontact			mm	3
14	Ratedcurrentofover-currentrelease			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	Openingdistanceofcontact		mm	9±1
2	Overtravellingdistanceofcontact			3±1
3	Averageclosingspeed		s	1.0±0,2
4	Averageopeningspeed			0.6±0.2
5	Jumpingtimeofcontactatclosing		ms	≤2
6	Asychronyofthreephaseopening
7	Closingtime		s	≤0.1
8	Openingtime	Highestoperatingvoltage		≤0.06
		Lowestoperatingvoltage		≤0.1
9	DCresistanceofeachphasecircuit		μΩ	≤200
10	Centraldistancebetweenphase(inarcextinguishingchamber)		mm	193

Note:Please contact the factory to confirm the latest parameters

Outline & Installation Size

Note: If user has any special requirement, please negotiate with our factory.

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Product detail pictures:

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Related Product Guide:

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