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Ningbo Tianan Group Co.,Ltd
Ring main units, circuit breakers, isolators, auto parts
 
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11kV Vacuum circuit breaker

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Title： 11kV Vacuum circuit breaker 
Brand： Ningbo Tianan
Unit price： Negotiable
MOQ： Negotiable
Quantity： 500
Delivery date： Since the payment date Days delivery
Contact： Lily Deng （Mr.）    
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Main technical data
rated voltage 12kV
rated frequency 50Hz
rated lighting impulse voltage
to earth 75kV
between clearance 85kV
rated 1 min power frequency withstand voltage
to earth 42kV
between clearance 48kV
rated operation sequence C-0.3s-CO-180s-CO

11kV Vacuum circuit breaker
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