HD11, HS11/B Knife Switch with  Protective Cover
HD11, HS11/B Knife Switch with Protective Cover

HD11, HS11/B Knife Switch with Protective Cover

HD11, HS11/B knife switch with protective cover is a derived product newly developed based on HD11 and HS11 as an ideal alternative product instead of HD11, HD11F and HS11, greatly improving the personnel safety protection to prevent electric shock.

HD11, HS11/B Knife Switch with  Protective Cover





Working environment conditions:

1.1 Ambient air temperature: not higher than +40℃, and is not below than -5℃.

1.2 Altitude: not exceed 2,000 meters.

1.3 Humidity:

The relative air humidity does not exceed 50% at the maximum temperature +40℃. A higher relative humidity is allowed at a lower temperature, such as up to 90% at 20℃. Special measures are taken for condensation occurred occasionally due to temperature changes.

1.4 Pollution degree: Level 3

1.5 The switch shall be installed in places where there is no obvious shaking, impact vibration or rain and snow erosion and no explosive and hazardous medium, and there is no enough gas and dust to cause metal corrosion and insulation damage in medium.

Resistive current (A)100200250 Small-size2504006301000
Rated working   current (A)63, 80 100125, 160250200250400600630
Rated working voltage (V)415/690
Rated insulation voltage (V)1000
Rated impulse withstand voltage (kV)12
Usage categoryAC-20A
Mechanical life (times)10,00010,00010,00010,00010,0005,0003,000
Short-time withstand current (Ka/1s)55510152025
Operating force (N)≤300≤300≤300≤300≤400≤400≤450



Zhejiang Tengen Electric Co., Ltd.

Sulv Industrial Zone, Liushi Town, Yueqing City, Zhejiang Province, China, 325699

+86 21 3119 8727


Copyright ©2023 Zhejiang Tengen Electric Co., Ltd.


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