Customized High Quality Electric Power Distribution Switchgear Panel
Customized High Quality Electric Power Distribution Switchgear Panel
Summary
The TSR-12 (Ⅰ, Ⅱ) series products are secondary power distribution equipment of 12kV system. The main circuit uses solid insulation as the main insulation structure. The conductive components are all enclosed inside the insulation cavity. Is the breaking element. The plan includes circuit breaker cabinets, load switch cabinets, load switch + fuse combination electrical cabinets, PT cabinets and metering cabinets. The series products have the following common features:
Isolation switch and grounding switch are completely independent and have fast opening and closing ability.
Three-phase independent poles completely avoid short circuit between phases.
The upper isolation and the upper isolation and the lower isolation and the lower isolation are grounded, and the scheme is complete.
The incoming and outgoing wires use a standard cable outer cone.
The main bus is a solid insulated bus.
The TSR-12 (Ⅰ, Ⅱ) female combined cabinet can be realized in a ring network cabinet through clever design. It takes full consideration of the user’s land cost and input cost to achieve a win-win situation.
Features
Switchgear
Rated voltage: 12kV
1min power frequency withstand voltage: 42 / 48kV
Lightning impulse withstand voltage: 75 / 85kV
Rated current: bus 630 / 1250A
Circuit breaker
Rated current: 630 / 1250A
Rated short-circuit breaking current: 25kA
Rated short-time withstand current: 25kA (4s)
Breaking times of rated short-circuit current: 30 times
Load switch
Rated current: 630 / 1250A
Rated short-time withstand current: 25kA (4s)
Rated short-circuit closing current: 63kA
Load switch + fuse combination appliance
Rated current: 125A
Rated short-time breaking current: 31.5kA
Rated transfer current: 3150A
Isolating switch, grounding switch
Rated current: 630 / 1250A
Rated short-time withstand current: 25kA (4s)
Ground loop
Rated current: 630A
Rated short-time withstand current: 21.7kA (2s)
Construction
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