Non Fusible Disconnect Switch
rated voltage:400V/690V,
rated current:300A,315A,400A
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- Different operating modes, can be divided indoor operation and outdoor operation.The contacts are made of copper and the cover is made of flame retardant plastic.
In low-voltage equipment, The non fusible disconnect switch is mainly suitable for
low-voltage terminal distribution systems such as residential buildings and buildings.
Main function: with load breaking and connecting lines.
Modular Design
Optional micro switch
The terminal is Copper T3
3-poles or 4-poles
Avoid erroneous operations
Designed according to IEC/ EN 60974-3
Conventional Current 400A Rated Current In(A) 315 400 Rated Insulation Voltage Ui (V) 1000 Dielectric Strength (V) 8000 Rated Surge-Resistant Voltage Uimp KV Rated Working Current 380V AC-21B 315 400 AC-22B 315 400 660V AC-21B 315 400 Motor Power 380V 160 220 P (Kw) 660V 185 185 
2. The non fusible disconnect switch cooperates with the circuit breaker and performs the
switching operation according to the needs of the system operation mode to change the wiring
mode of the system operation.
3. Used to turn on or off the small current circuit.
Safety switches are effective for disconnecting equipment and circuits from their power source
in a swift and safe manner. These tools are utilized in many ways in many industrial and
commercial sectors, including being used for safe service entrance, safe disconnect for
maintenance and testing, fault protection for motorized equipment, and for emergency stoppage
in the event of a complication.
- Different operating modes, can be divided indoor operation and outdoor operation.The contacts are made of copper and the cover is made of flame retardant plastic.
