Products & Solutions

Place of Origin: China
Brand Name: Longsun
Model Number: HD13
Minimum Order Quantity: 1 pc
Delivery Time: 15 working days
Payment Terms: L/C, T/T, Western Union, etc.



Knife Switch


HD13, HD13BX series high-current knife switch (hereinafter referred to as knife switch), divided into electric type (with manual) and manual type, is a new product developed by our company, suitable for AC 50Hz, rated voltage 380V or DC 220V, Rated current 3000A 6000A, mainly used in the control circuit of power distribution equipment, for infrequent electrical switching on and off or ~ isolation of power supply, the operation should be carried out under no load.

This product is suitable for various industrial and agricultural departments such as machinery, metallurgy, subway, chemical industry, electroplating, water conservancy, etc., and has been widely used as a key equipment in large current control places.

Compliant with standards: GB/T14048.3, IEC 60947-3.



Normal working conditions


●Ambient air temperature is not higher than +40°C and not lower than -5°C.

●The altitude of the installation site shall not exceed 2000m.

● Humidity:
When the highest temperature is +40°C, the relative humidity of the air should not exceed 50%, and higher relative humidity can be allowed at lower temperatures, for example, up to 90% at 20°C. Special measures should be taken for occasional condensation due to temperature changes.

●The pollution level of the surrounding environment is level 3.

● The switch should be installed in a place free from significant shaking, shock vibration and rain or snow. At the same time, there should be no explosive medium in the installation place, and there should be no gas and dust in the medium that can corrode metal and damage insulation.


Technical Parameters


Model: HD13, HD13BX
Current specification A: 200-4000/3
Voltage V: 400V
Standards: GB/T14048.3 IEC60947


Outline and installation dimensions of HD13 blade isolator (mm)






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