1 - 10 piece
11 - 100 piece
group nameVCB Vacuum Circuit Breaker
Min Order1 piece
brand nameJUCRO
modelHVD7-40.5/2000
payment methodL/C, Western Union, MoneyGram, T/T
update timeWed, 18 May 2022 14:24:39 GMT
Min Order1 piece
1. Introduction
HVD7 40.5KV 2000A outdoor HV AC vacuum circuit breaker VCB has many visual advantages like reasonable design, fashionable appearance, high safety and reliability, simple maintenance, long electric life. It is the ideal upgraded products of 35KV outdoor oil circuit breakers.
HVD7 40.5 2000A vacuum circuit breaker is applicable for three-phase power system of AC 50HZ.It is used to make and break the load current ,overload current and short-circuit current.
2. Applicable environment
2.1The ambient temperature should be -30degree~ +40degree(-40degree in the frosty area);
2.2Altitude should not exceed 2000m(over 2000m is plateau type);
2.3The wind pressure should not exceed 700Pa(equal to wind speed 34m/s);
2.4Air pollution degree: 3,that of antifouling type:4;
2.5The installation site should be free from the fire, explosion, chemical corrosion and serious vibration.
No. |
Item |
Unit | Data |
||||
1 |
Rated voltage |
KV | 40.5 |
||||
2 |
Rated insulation level |
1min power frequency withstand voltage |
Dry test | KV | 95 |
||
Wet test | 80 |
||||||
Lightning impulse withstand voltage(peak value) | 185 | ||||||
3 | Rated current | A | 2000 | ||||
4 | Rated short-circuit breaking current | KA | 20 | 25 | 31.5 | ||
5 | Rated short-circuit making current(peak) | KA | 50 | 63 | 80 | ||
6 | Rated operating sequence | O-0.3s-CO-180s-CO | |||||
7 | Rated short-time withstand current | KA | 20 | 25 | 31.5 | ||
8 | Rated peak withstand current | KA | 50 | 63 | 80 | ||
9 | Rated short-circuit duration | S | 4 | ||||
10 | Rated control voltage | V | AC220,110;DC220,110 | ||||
11 | Rated short-circuit breaking current break times | Times | 20 | ||||
12 | Full-break time | ms | <80 | ||||
13 | Mechanical life | Times | 10000 |
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