specification | unit | data | ||||
Rated voltage | kv | 11,33,35,40.5 | ||||
rated current of bus line | A | 630,1250,1600,4000 | ||||
rated current of circuit breaker | A | 630,1250,1600,4000 | ||||
Insulation level | 1min power frequency withstand voltage | KV | 95/110 | |||
lightning impulse withstand voltage | KV | 185/215 | ||||
power frequency withstand voltage of auxiliary circuit and control circuit | V | 2000 | ||||
Rated frequency | HZ | 50/60 | ||||
Rated short circuit breaking current | KA | 20/25/31.5 | ||||
Rated short-time withstand current of short circuit duration | KA/4s | 20/25/31.5 | ||||
Rated current of peak withstand | KA | 50/63/80 | ||||
Rated making current of short circuit | KA | 50/63/80 | ||||
Rated voltage of control loop | V | DC:110 220 AC:110 220 | ||||
Protection leve | switch equipment shell | |||||
compartment(cupboard door open) |