F4-8II/W series auxiliary switchDetailed product description：

1、 Purpose:
The F4-8II/W series auxiliary switch is mainly used for the control of closing, opening, interlocking, and signal control in the operating mechanism of various high-voltage circuit breakers and high-voltage isolating switches. It can also be used as a conversion switch or combination switch.

2、 Usage conditions
1. Altitude not exceeding 3000 meters;
2. The ambient temperature ranges from -40 ℃ to+40 ℃;
3. Relative humidity: daily average not exceeding 95%, monthly average not exceeding 90%;
4. The vibration acceleration shall not exceed 15 meters per second;
5. There is no explosion hazard, fire, dust, insulation damage, or corrosive metal gas in the surrounding medium.