China Vcb Vacuum Circuit Breakers with High Quality

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.

ItemUnitDataRated voltagekV1217.524Rated insulation level1min power frequency withstand voltagekV425065Rated lighting impulse withstand voltagekV7595125Rated frequencyHz505050Rated currentA630, 1250, 1600,
2000, 2500, 3150630, 1250, 1600,630, 1250, 1600,
2000, 2500, 3150Rated short-time withstands current(RMS)kA16, 20, 25, 31.5, 4020, 25, 31.520, 25, 31.5Rated active on-load breaking currentkA40, 50, 63, 80, 10050, 63, 8050, 63, 80Rated withstands current (peak)kA16, 20, 25, 31.5, 4020, 25, 31.520, 25, 31.5Rated short-time breaking currentkA40, 50, 63, 80, 10050, 63, 8050, 63, 80Rated short-time continuous times4Rated operation sequence O-0.3s-CO-180s-COMechanical lifeTimesM2Rated operation power supply voltageVAC220/DC220Full breaking timeMs≤70

Packing and shipping
-- Wooden box for products.
-- Shipping mark according to customer's request.
-- Bulk production will be deliveried by sea and air.
Our Service
-- We have our own factory, professional manufacturer
-- We can send you samples within one week.
-- We do OEM & ODM services .
-- We control quality strictly, quality problem: 100% compensation or change
Warmly welcome to visit our factory. Welcome customer or your agent to inspect before order or lading.