Product Introduction
HXGN □ - 12 air-insulated compact switchgear is a switchgear developed by the company according to the technical interpretation of power users' requirements for reliability, safety and compactness of electrical equipment. It has the characteristics of air insulation, compact and perfect type test. It is applicable to 10kV/7.2kV power distribution systems in public buildings, commercial residential buildings, industrial and mining manufacturing industries, as well as the matching of complete sets of mechanical equipment driven by high-voltage motors with high requirements for compactness.
Product features
Compact flexible
The air insulation method meets the electrical clearance and partial discharge standards of the technical specifications of the power industry.
Compact matching cabinet size, matching standard cabinet size:
480 * 1000 * 1800mm (width x depth x height), the complete power distribution system is particularly compact, saving space for expensive urban construction land.
Flexible bus form and expansion mode, convenient for splicing with other different cabinet types.
Integral/solid seal
Integrated circuit breaker combination electrical design, which integrates disconnector, circuit breaker, grounding switch and live sensor, modular design, simple and reliable interlocking and convenient maintenance.
Visualization high efficiency
Visual disconnector fracture design, rapid delivery time, and overall modular design make the assembly of electrical complete plant convenient and fast. Integrated structure, all kinds of closed posts are required to be installed in single machine
It is realized within the structure to reduce the risk of locking failure caused by the assembly process problems of the complete electrical plant.
Stable/durable
Optional spring/permanent magnet mechanism, long mechanical life, sealed vacuum arc extinguishing chamber packaging, dustproof, high insulation performance.
Working conditions
1. The altitude shall not exceed 2000;
2. Ambient temperature+40 ℃;
3. The daily average value of relative temperature is not more than 95%, and the monthly average value is not more than 95%;
4. The surrounding air shall not be obviously polluted by corrosive or combustible gas, water vapor, etc;
5. No frequent severe vibration;
In case of different service conditions or other requirements, it is necessary to consult with the manufacturer.
Main technical parameters
Rated voltage: 12kV
1MIN power frequency withstand voltage: 42kV
Lightning impulse withstand voltage: 75/85kV
Rated current: 630-1250A (feeder)
Rated frequency: 50/60Hz
Rated short-circuit breaking current: 25kA/31.5kA
Rated short-time withstand current: 25kA/31.5kA
Rated peak withstand current: 50kA/63kA
Rated short-circuit current breaking times: 30 times
Mechanical life: 10000 times (circuit breaker)
Power frequency withstand voltage of auxiliary circuit: 2000V
630-1250A (incoming line)
3000 times (disconnector/earthing switch)/100000 times (circuit breaker)
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