Description:
ZN63(VS1)- 40.5 indoor AC high- -voltage vacuum circuit breaker (hereinafter referred to as circuit breaker) is suitable for three -phase AC 50Hz, 40.5kV indoor handcart switchgear, and can be used as protection and control for industrial and mining enterprises, power plants and substations. Equipment, and suitable for places with frequent operations. The performance of this product conforms to the national standard GB1984- -2003 "AC High Voltage Circuit Breaker", JB3855 "3.6 -40.5KV Indoor AC...ZN63(VS1)- 40.5 indoor AC high- -voltage vacuum Circuit Breaker (hereinafter referred to as circuit breaker) is suitable for three -phase AC 50Hz, 40.5kV indoor handcart Switchgear, and can be used as protection and control for industrial and mining enterprises, power plants and substations. Equipment, and suitable for places with frequent operations. The performance of this product conforms to the national standard GB1984- -2003 "AC High Voltage Circuit Breaker", JB3855 "3.6 -40.5KV Indoor AC High Voltage Vacuum Circuit Breaker", GB/T11022-1999 "Common Technical Requirements for High Voltage switchgear and Control Equipment Standards" and IEC62271-100 and other standards.
No. | ltem | Unit | Data | |||
1 | Rated voltage | KV | 40.5 | |||
2 | Rated insulation leve | 1min Power frequency withstand voltage (effective value) | 95 | |||
Lightning impulse withstand voltage (peak value) | 185 | |||||
3 | Rated frequency | Hz | 50 | |||
4 | Rated current | A | 630、1250、1600、2000、2500 | |||
5 | Rated short-time withstand curren | KA | 20 | 25 | 31.5 | |
6 | Rated peak withstand current | 50 | 63 | 80 | ||
7 | Rated short-circuit breaking current | 20 | 25 | 31.5 | ||
8 | Rated short-circuit making current (peak value) | 50 | 63 | 80 | ||
9 | Rated operating sequence | O-0.3s-CO-180s-CO | ||||
10 | Rated short circuit duration | S | 4 | |||
11 | Break time | Ms | ≤80 | |||
12 | Rated capacitor bank breaking current | A | 630/Back to back 400 | |||
13 | Rated short-circuit breaking current breaking times | Times | 20 | |||
14 | Mechanical life | 10000 | ||||
15 | Rated operating voltage | V | -110/~110,-220/~220 | |||
16 | Dimensions (WxHxD) | mm | 1246x1650x905 | |||
1 | weight kg | 466 | ||||

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