JGV-12/630-20 Gas-Insulated Switchgear Circuit Breaker (With Lower Isolation and Grounding) SF6 Free 12kv 24kv
Category: Switchgear & High Voltage Products
Brand: JGGY Electric
Model: JGV-12/630-20
Power:12KV/24kv /630A
FOB Port: Ningbo/Shanghai
Terms of Pyament: Western Union,T/T,Paypal
JGV-12/630-20 features easy installation, low maintenance, extended service life, compact design, cost-effectiveness, and high safety reliability.
This product complies with GB/T 1984-2024 "High-voltage alternating-current circuit-breakers".
JGV-12/630-20 Vacuum circuit breaker is a special vacuum circuit breaker for 12kV SF6 inflation cabinet. The switchadopts splint type structure, which has the advantages of reliable breaking performance, long service life, maintenance-free and easy installation.
JGV-12/630-20 vacuum circuit breaker is mainly used in the market common ABB type SF6 fully insulated metalclosed switchgear or for other similar types of SF6 inflation cabinet, as the main components of the infation cabinet, bealthe main function, with the rated current and load current, Closing and breaking short circuit current perfommance
Main Circuit Parameters:
Rated current: 630A
Short-circuit breaking capacity: 20kA (4s) and 25kA (3s)
Mechanical endurance: 10,000 operations
Grounding Circuit Parameters:
Short-circuit breaking capacity: 20kA (2s)
Mechanical endurance: 3,000 operations
| No. | Item | Unit | Technical Parameters |
| 1 | Rated Frequency | Hz | 50 |
| 2 | Rated Current | A | 630 |
| 3 | Rated Short-Time Withstand Current | kA | 20/25 |
| 4 | Rated Peak Withstand Current | kA | 50/63 |
| 5 | Rated Short-Circuit Duration | s | 4 |
| 6 | Rated Short-Circuit Making Current | kA | 50 |
| 7 | Theoretical Operating Cycles | Times | 5000 |
| No. | Item | Unit | Technical Parameters |
| 1 | Main Circuit Resistance | μΩ | 45 |
| 2 | Overtravel | mm | 2-3 |
| 3 | Contact Gap | mm | 8-10 |
| 4 | Contact Bounce | ms | ≤2 |
| 5 | Average Opening Speed | m/s | 1.0-1.4 |
| 6 | Average Closing Speed | m/s | 0.6-1.1 |
| 7 | Three-phase Opening Asynchronism | ms | ≤2 |
| 8 | Three-phase Closing Asynchronism | ms | ≤2 |
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