project | units | C module | F module | V module | CB module | ||||
Load switch | Combination electric appliance | vacuum switch | Isolation/grounding switch | vacuum circuit breaker | Isolation/grounding switch | ||||
The rated voltage | KV | 12 | 12 | 12 | 12 | 12 | 12 | ||
Rated frequency | HZ | 50 | 50 | 50 | 50 | 50 | 50 | ||
Power frequency withstand voltage (phase/fracture) | KV | 42/48 | 42/48 | 42/48 | 42/48 | 42/48 | 42/48a | ||
Lightning shock withstand voltage | KV | 75/85 | 75/85 | 75/85 | 75/85 | 75/85 | 75/85 | ||
Rated current | A | 630 | infuse 1) | 630 | 1250/630 | ||||
Breaking ability: | |||||||||
Rated closed loop breaking current | A | 630 | |||||||
Rated cable charging break current | A | 10 | |||||||
Rated short circuit closing current (peak) | A | 50 | 80 | ||||||
Rated peak tolerable current | kA | 50 | |||||||
Rated short-time tolerable current | kA/35 | 20 | |||||||
Rated short circuit breaking current | kA | 31.5 | 20 | 25 | |||||
Rated transfer current | A | 1700 | |||||||
Use the maximum current of the fuse | A | - | 125 | ||||||
Loop resistance | -n | ≤300 | ≤600 | ||||||
Mechanical life | next | 5000 | 3000 | 5000 | 2000 | 5000 | 2000 |