ZW32-12 Outdoor ACHigh Voltage Vacuum Circuit Breaker
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Product Description
- 产品描述
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The ZW32-12 □ /T630(1250)-25 Primary and Secondary Fusion Vacuum Circuit Breaker (hereinafter refered to as the circuit breake)is an outdoor distribution equipment with a rated voltage of 12KV and three-phase AC50H.It is mainly used for breaking.closing,and handling load currents,overload curents,and short-cicuit curents in power systems.I is suitable for protection and control in substations and industrial and mining distribuion systems, as well as places with frequent operations in rural power grids.With the addition of a controller it can achieve distribution network automation.
Technical parameters:
No. Item Unit Data 1 Rated Voltage KV 12 2 Rated Frequency HZ 50 3 Rated Current A 630 1250 4 Rated Short-Circuit Breaking Current kA 20 25 5 Rated Peak Withstand Current(Peak) kA 50 63 6 Rated Short-Time Withstand Current kA 20 25 7 Rated Short-Circuit Closing Current(Peak) kA 50 63 8 Mechanical Life Times 10000 9 Rated Short-Circuit Breaking Curent Breaking Times Times 30 10 Power Frequency Withstand Voltage(1min):Wet/Dry. Phase-to-Phase/Phase-to-Ground kV 30/42/48 11 Lightning Impulse Withstand Voltage(Peak): Phase-to-Phase/Phase-to-Ground2 V 75/85 12 Secondary Circuit 1min Power Frequency Withstand Voltage kV 2
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