Application

HD11F and HS11F series single and double break protective blade switch, is developed by our company on basis of the HD11、HS11 series switch. They are the ideal replacement device for HD11、HD11F、HS11, greatly improve the protective safety to personnel, prevent wrongly electric shock. This series of switch is mainly assembled in low voltage switchgear, used to switch on/off, disconnect the power source. It complies with the standard of GB 14048.3、IEC 60947-3

Normal operating conditions

Ambient temperature: -5°C~+40°C

Altitude: ≤2000m;

When the ambient air temperature is +40°C, the relative humidity of the air shall not be higher than 50%; a higher relative humidity is allowed at a lower temperature; for example, for the wettest month, the maximum relative humidity averaged shall be 90% while the lowest temperature averaged in that month +20°C, and special measures shall be taken for the condensation occasionally produced due to temperature change.

Pollution degree: 3

The ambient air is not significantly polluted by dust, smoke, corrosive and/or flammable gases, vapours or salt.

Model and meaning