VS1 Vacuum Contactor Unit AC 50 Hz Electrical Vcb Circuit Breaker

Brand Name:ERFA
Certification:ISO9000, XIHARI
Model Number:ZN73
Minimum Order Quantity:1 unit
Delivery Time:10days after payment
Payment Terms:T/T, Western Union
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Address: Modern enterprise Central (east zone)
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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.

ItemUnitData
Rated voltagekV1217.524
Rated insulation level1min power frequency withstand voltagekV425065
Rated lighting impulse withstand voltagekV7595125
Rated frequencyHz505050
Rated currentA630, 1250, 1600,630, 1250, 1600,630, 1250, 1600,
2000, 2500, 31502000, 2500, 3150
Rated short-time withstands current(RMS)kA16, 20, 25, 31.5, 4020, 25, 31.520, 25, 31.5
Rated active on-load breaking currentkA40, 50, 63, 80, 10050, 63, 8050, 63, 80
Rated withstands current (peak)kA16, 20, 25, 31.5, 4020, 25, 31.520, 25, 31.5
Rated short-time breaking currentkA40, 50, 63, 80, 10050, 63, 8050, 63, 80
Rated short-time continuous times4
Rated operation sequenceO-0.3s-CO-180s-CO
Mechanical lifeTimesM2
Rated operation power supply voltageVAC220/DC220
Full breaking timeMs≤70
China VS1 Vacuum Contactor Unit AC 50 Hz Electrical Vcb Circuit Breaker supplier

VS1 Vacuum Contactor Unit AC 50 Hz Electrical Vcb Circuit Breaker

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