AC switchgear KYN28A-12

air-insulated

Overview The KYN28A air insulated metalclad switchgear, 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. Technical Feature 1. The box of the KYN28A air insulated metal clad switchgear is made of aluminum-zinc 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 Parameters Lighting impulse withstand voltage Rated short time withstand current 20～40kA，4S Rated peak withstand current  50～100kA Power frequency withstand voltage (1 min)  42kV Lighting impulse withstand voltage  75kV Rated short circuit current breaking times 50 Mechanical endurance 2000 IP rating  IP4X