Main Technical Parameters Table of ZW32-40.5 Outdoor Pole-mounted Vacuum Circuit Breaker
ZW32-40.5：
Rated voltage (KV): 40.5
Rated frequency (Hz): 50 or 60
Rated current (A): 630, 1250, 1600
Rated short-circuit breaking current (kA): 20, 25, 31.5
Rated peak withstand current (peak value) (kA): 50, 63, 80
Rated short-time withstand current (4S) (kA): 20, 25, 31.5
Rated short-circuit making current (peak value) (kA): 50, 63, 80
Mechanical lifespan (times): 10,000
Rated short-circuit breaking current and breaking times (times): 30
1min power frequency withstand voltage dry type (phase-to-phase, phase-to-ground/open circuit) (kV): 95
1min power frequency withstand voltage wet type (phase-to-phase, phase-to-ground/open circuit) (kV): 80
Lightning impulse withstand voltage (phase-to-phase, phase-to-ground/open circuit) peak value (kV): 185
Partial discharge (PC): ≤20
Rated operation sequence: open - 0.1s - close-open - 3s - close-open - 6s close-open - 60s recovery
Rated operating voltage (V): AC/DC 220
Weight (kg): approximately 270
Zhejiang public network security 33038202002692No.