JGSF6-40.5 1250A 40.5KV 36KV SF6 Isolating circuit breaker/ Isolating Switch Integrated Unit
Category: Switchgear & High Voltage Products
Brand: JGGY Electric
Model: JGSF6-40.5
Power:40.5KV/1250A
FOB Port: Ningbo/Shanghai
Terms of Pyament: Western Union,T/T,Paypal
Product Overview
SF6-40.5/1250-31.5kA type high voltage switch, suitable for 35kV transmission and distributionsystem control and protection, used to split the load current, break the short circuit current. The modulardesign is characterized by compact structure, good breaking performance, high reliability, long life, fullinsulation, maintenance-free, small footprint, and can be widely used in industrial, civil ring networks andterminal power supply networks. Especially suitable for small secondary distribution power stations.opening and closing stations, industrial and mining enterprises, airports, railways, highways, subways,
business districts, living quarters, wind power, optoelectronics and other fields.
Main Technical Parameters
| No. | Item | Unit | Technical Parameters | |
| 1 | Rated Voltage (kV) | kV | 40.5 | |
| 2 | Rated Frequency (Hz) | Hz | 50 | |
| 3 | Rated Current (A) | A | 1250 / 1600 / 2000 / 2500 | |
| 4 | SF6 Gas Rated Pressure (Gauge Pressure at 20°C) For Gas-Insulated Switchgear | MPa | 0.04 | |
| 5 | Rated Power Frequency 1min Withstand Voltage | Isolation Gap | kV | 118 |
| Phase-to-Phase / Phase-to-Ground | 95 | |||
| Rated Lightning Impulse Withstand Voltage Peak (1.2/50μs) | Isolation Gap | kV | 215 | |
| Phase-to-Phase / Phase-to-Ground | 185 | |||
| 6 | Rated Short-Time Withstand Current | Ka/s | 31.5/4 | |
| 7 | Rated Peak Withstand Current | kA | 80 | |
| 8 | Rated Short-Circuit Breaking Current | kA | 31.5 | |
| 9 | Rated Short-Circuit Making Current | kA | 80 | |
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