Product technical features:
◆ Compact flexible:
◇ Air is the medium of insulation, which 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.
◆ Overall/solid sealing:
◇ Integrated circuit breaker combination electrical design. The combination electrical appliance integrates the disconnector, circuit breaker, grounding switch and live sensor. It is modular design, simple and reliable interlocking and convenient maintenance.
◆ Visualization :
◇ Visual disconnector fracture design, rapid delivery time, and overall modular design make the assembly of electrical complete plant convenient and fast. With integrated structure, all kinds of locking posts are required to be realized in a single mechanism to reduce the risk of locking failure caused by assembly process problems in the complete electrical plant.
◆ Stability/durability:
◇ Spring | permanent magnet mechanism optional, long mechanical life, sealed vacuum arc extinguishing chamber packaging, dustproof, high insulation performance.
Product 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
◇ 630-1250 8 (incoming line)
◇ 3000 times (disconnector/earthing switch), 100000 times (circuit breaker)
Applicable to fixed switch cabinet structure:
The cabinet body is bent and assembled from 2.0mm aluminum-coated zinc plate, with high strength, light weight and excellent corrosion resistance. It is divided into independent low-voltage room, bus room, switch room and cable room.
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