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Three Phase Indoor Vacuum Circuit Breaker Electrical Vcb Circuit Breaker 630A

ERFA Industries Group

Three Phase Indoor Vacuum Circuit Breaker Electrical Vcb Circuit Breaker 630A

Place of Origin : China

Brand Name : ERFA

Model Number : ZN73

Certification : ISO9000, XIHARI

MOQ : 1 unit

Price : Negotiated

Payment Terms : T/T, Western Union

Supply Ability : 1000/per month

Delivery Time : 10days after payment

Packaging Details : wooden box with pallet

Module No. : ZN73-12

Rated Voltage : 12KV

Poles Number : 3

Installation : Open Frame

Rated Frequency : 50Hz

Rated Current : 630/1250/1600/2000/2500/3150A

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Vacuum Circuit Breakers (ZN73-12 (VS1))

ZN73 indoor AC high-voltage vacuum breaker is applicable to making and breaking load of various character and also for frequent operation in power systems of 3-phase, AC 50 Hz and with rated voltage up to 24kV. It can be used for protecting and controlling of electrical equipment in industrial plants, mines, power generation plants and substations.

Item Unit Data
Rated voltage kV 12 17.5 24
Rated insulation level 1min power frequency withstand voltage kV 42 50 65
Rated lighting impulse withstand voltage kV 75 95 125
Rated frequency Hz 50 50 50
Rated current A 630, 1250, 1600, 630, 1250, 1600, 630, 1250, 1600,
2000, 2500, 3150 2000, 2500, 3150
Rated short-time withstands current(RMS) kA 16, 20, 25, 31.5, 40 20, 25, 31.5 20, 25, 31.5
Rated active on-load breaking current kA 40, 50, 63, 80, 100 50, 63, 80 50, 63, 80
Rated withstands current (peak) kA 16, 20, 25, 31.5, 40 20, 25, 31.5 20, 25, 31.5
Rated short-time breaking current kA 40, 50, 63, 80, 100 50, 63, 80 50, 63, 80
Rated short-time continuous time s 4
Rated operation sequence O-0.3s-CO-180s-CO
Mechanical life Times M2
Rated operation power supply voltage V AC220/DC220
Full breaking time Ms ≤70

Product Tags:

vcb vacuum circuit breaker

      

high voltage vacuum circuit breaker

      
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