Basic Info.Model NO.ZN63(VS1)E-12KVBreaking CapacityHigh Voltage
Circuit BreakersOperationElectric TypeSpeedHigh-Speed Circuit
BreakerArc-extinguishing MediumVacuumFunctionConventional Circuit
BreakerProduct DescriptionoverviewThe ZN63 (VS) E-12kV series solid
sealed high-voltage vacuum circuit breaker is suitable for
three-phase AC power systems with rated voltage of 7.2-12kV and
frequency of 50Hz. It is widely used in power plants, substations,
petrochemical, metallurgical, manufacturing, airports, and
residential areas. It is used for protection and control of
electrical facilities, especially in places with frequent operation
or multiple interruptions of short-circuit current under rated
current. It can be installed in movable or fixed air insulated
switchgear. The product meets the requirements of GB1984 "AC High
Voltage Circuit Breakers", DL/T403 "Technical Conditions for
Ordering 12-40.5kV Indoor AC High Voltage Circuit Breakers", as
well as relevant standards such as IEC60694 and IEC6227-100. The
ZN63 (VS) E-12kV series sealed high-voltage vacuum circuit breaker
adopts advanced APG technology, directly sealing the vacuum arc
extinguishing chamber and main electrical circuit inside the epoxy
resin pole to form a sealed insulation method, representing the
highest level of design and manufacturing for high-voltage vacuum
circuit breakers in the world today.Note: When replacing the fixed
sealing pole of the vacuum arc extinguishing chamber with a regular
insulation cylinder for this model of product, the model is ZN63
(VS) -12.Model Description Environmental conditions for
use1. Altitude: not exceeding 2000m2. Environmental temperature:
maximum temperature+40C; Minimum temperature: -15C3. Monthly
average relative humidity: ≤ 95%4. Seismic intensity:
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