Knife Changeover Switch HD11-100A, 160A, 200A, 400A Open Protection Type Knife Isolation Switch

Product Description

HD knife switch and knife-shaped transfer switch(hereinafter referred to as the switch) is applicable for the complete set of distribution unit with the AC frequency of 50Hz, rated current up to 380V and the rated current up to 3000A, to turn on and off the AC and DC circuit in an infrequent manner or serve as a isolation switch Central handle switch is mainly used in the power station to serve as an isolation switch. lt will not cut off the live circuit.

Side front lever operating mechanism switches for front operation, front switchgear maintenance. operating mechanism cabinet mounted on both sides Central front lever operating mechanism switch is mainly used for switchgear cabinet off Ronta maintenance from behind, and the operating mechanism is installed dead ahead Switch with a side handle is mainly used in power box. Switch with an interrupter switch can cut off proper current load, while other series of knife switches can only serve as isolation switch. This product conforms to GB14048.3 IEC6047-3 standard.
Normal working condition and mounting conditions

1. The installation altitude not exceeding 2000 meters.
2. The upper limit of the ambient temperature is not higher than +40°C, the lower limit of not less than -5°C, 24-hour average does not exceed + 35°C.
3. Atmospheric relative humidity in the ambient air temperature is + 40 °C not more than 50%, at lower temperatures can have a higher humidity, condensation products should take into account the surface of the humidity change.
4. No explosive medium, the medium does not enough to corrode and damage the insulation of gas and dust.
5. No significant shake and shock vibration