The KYN28A air insulated metal enclosed switchboard, which is for distributing and accepting AC electricity (3-12 kV, 50 Hz) distribution system, is fitted with VD4 circuit breaker from ABB or VS1 circuit breaker from domestic company. Besides, it also can control, protect and monitor the circuit.
Model
1. Voltage level
2. Design code
3. Indoor type
4. Removalable
5. Metal enclosed
Technical Specification
Rated voltage: 12kV
Rated current: 630~3150A
Rated short time withstand current: 16~50kA, 4s
Rated peak withstand current: 40~125kA
Power frequency withstand voltage (1 min): 42kV
Lighting impulse withstand voltage: 75kV
Rated short circuit current breaking times: 50
Mechanical endurance: 2000 times
IP rating: IP4X
Technical Feature
1. The box of the KYN28A air insulated metal enclosed switchboard is made of aluminum coated steel sheet, so it is light, strong and beautiful.
2. The electric clearance is larger than 125mm, and the composite insulation electric clearance is larger than 30 mm.
3. Central-positioned circuit breaker.
4. Perfect integrated interlocking mechanism
5. Completed primary systematic diagram, more than 80 main circuit schemes
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