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The non fusible disconnect switch Suitable for AC 50HZ, rated voltage 400V/690V, rated current 400A. 3 poles & 4 poles. 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.
Optional micro switch
The terminal is Copper T3
3-poles or 4-poles
Avoid erroneous operations
Designed according to IEC/ EN 60974-3
|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||AC-21B||315||400|
|Rated short-time withstand current lcw (kA Rms) 0.1s/1s||25||25|
|Rated breaking capability Icn (A Rms) AC23 380 V||2520||3200|
|Rated making capability Icm (A Rms) AC23 380V||3150||4000|
|Rated shortcurrent making capabilityIcm (kA peak value)||40||40|
|Mechanical durability 380V||800||800|
|Electical curability 380V||200||200|
|Operation moment (Nm)||14.5||14.5|
|Weight (kg)||3 poles||4.3||4.3|
1. For isolating the power supply, disconnect the low voltage service equipment from the live equipment with a clearly visible break point between them.
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.
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