Usage environment
a. Ambient air temperature: -5°C to 40°C;
1. Daily average temperature (within 24 hours): ≤ +35°C;
2. Altitude: ≤ 1000m;
3. Relative humidity: Daily average within 24 hours ≤ 95%, daily average vapor pressure ≤ 2.2KPa.
The switchgear meets the relevant requirements of the GB3906-199 “3-35kv AC Metal-enclosed Switchgear standard》”. It consists of two parts: the cabinet and the circuit breaker. It has the functions of overhead inlet and outlet, cable inlet and outlet, and bus connection. The cabinet is composed of a shell, electrical components, various mechanisms, secondary terminals and connections, etc.
A non resettable device that detects internal transformer faults, incorporates pressure relief, and provides an external indication
Alternative protection devices, specified by the purchaser
1. Cold rolled steel plate or angle steel (for welding cabinet);
2. Aluminium-zinc steel sheet or galvanized steel sheet (for assembling cabinets).
3. Stainless steel plate (non-magnetic).
4. Aluminum plate ((non-magnetic).
1. The main busbar room (generally the main busbar is arranged in two structures of "pin" shape or "1" shape
2. Circuit breaker room
3. Cable room
4. Relay and instrument room
5. Small busbar room on the top of the cabinet
