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Conductive Accessories Series Inslution Accessories Series Switchgear Accessories Series Earthing Switch Series Vacuum Circuit Breaker Circuit Breaker Accessories Series Gas Insulated Switchgears and Accessories

Home > Products > Gas Insulated Switchgears and Accessories > GIS Circuit Breaker

QYC-12kV-630A Circuit Breaker for GIS
Here we provide circuit breaker QYV-12kV-630A is a breaker installed in GIS system, with rated current 630A and voltage 12kV, with the latest spring motorized operation mechanism and more than 10,000 time mechanical life.

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Detailed description

Description

GIS circuit breaker QYV-12kV-630A

Summay

There are 3 types circuit breakers for different types of GIS cabinets, QYV-/QYV--ABB/QYV--OM are match with Schneider/ABB/Ormazabal GIS system, with rated current 630A, 800A, 1250A (ABB/Ormazabal).

Can equip Isolation Switch & Earthing Switch together.

1. Altitude ≤1,000m, quake's strength≤8 grade

2. Temperature -40℃~+140℃

3. Relevant daily & monthly humidity≤90%

4. Installation place should avoid distinct vibration, no water vapor, corrosion, salt fog, dust, flamable and exposion hazzard.

Main parameters

Model No.	QYV-12kV-630A	QYV-12kV-1250A	QYV-24kV-630A	QYV-24kV-800A	QYV-12kV-630A-ABB	QYV-12kV-1250A-ABB	QYV-12kV-630A-OM	QYV-12kV-1250A-OM
Rated Frequency (Hz)	50
Rated Current (A)	630	1250	630	800	630	1250	630	1250
Rated Voltage (kV)	12	12	24	24	12	12	12	12
Rated Short Circuit Withstand Current (kA)	20/25
Rated Peak Withstand Current (kA)	50
Rated Short Circuit Duration (S)	4S-20kA/3S-25kA
Rated Short Circuit Open/Close Current(kA）	50
Mechanism Endurance (Times)	10,000
Rated operating sequence	O-0.3s-CO-180s-CO

Mechanical parameters

No.	Item	Parameter
1	Main circuit resistance	≤30μΩ
2	Overtravel	2-3 mm
3	Opening distance	8-10 mm
4	Bouncing time	≤2 ms
5	Average opening speed	0.6-1.4 m/s
6	Average closing speed	0.4-1.1 m/s
7	Closing asynchronism	≤2 ms
8	Opening asynochronism	≤ 2ms