HS11FH series knife switch open type, which rated operate frequency 50Hz,rated operate voltage AC400V,rated operate current up to 400A.In the industry enterprise equipments,this product is used to making and breaking rated current AC circuit or isolator.
Normal operational conditions and installation conditions
3.1 Temperater: no higher than +40ºC,and no lower than -5ºC,and the day average temperature no higher than +35ºC.
3.2 Altitude: no higher than 2000m
3.3 The relative humidity: no more than 50%,when temperature is +40ºC.The product can withstand higher humidity under lower temperature,for instance,when it at +20ºC,the production can withstand 90% relative humidity.
The condensation that happened because of temperature changes should be taken care.
And Installation location should have no exploresion danger, and no gas and conductive dust which can cause corrosion and insulation damage.
3.4 Class of pollution: 3 Calss
3.6 Installation type:III, IV.
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Main technical parameter
|rated operate voltage(V)||rated insulation voltage(V)||rated impulse withstand voltage(V)||rated conventional current(A)||rated short-time withstand current(kA)||electrical|
|mechanical life||operate force|
| || || ||200||10||500||5000||≤300|
| || || ||400||20||300||5000||≤400|