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Non Fusible Disconnect Switch

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.Modular DesignOptional micro switchThe terminal is Copper T33-poles or 4-polesAvoid erroneous operationsDesigned according to IEC/ EN 60974-3Conventional current400ARated current In(A)315400Rated insulation voltage Ui (V)1000Dielectric strength (V)8000Rated surge-resistant voltage Uimp KVRated working currentAC-21B315400380VAC-22B315400AC-23B315400AC-21B315400660VAC-22B315315AC-23BMotor power380V160220P (Kw)660V185185Rated short-time withstand current lcw (kA Rms) 0.1s/1s2525Rated breaking capability Icn (A Rms) AC23 380 V25203200Rated making capability Icm (A Rms) AC23 380V31504000Rated shortcurrent making capabilityIcm (kA peak value)4040Mechanical durability 380V800800Electical curability 380V200200Operation moment (Nm)14.514.5Weight (kg)3 poles4.34.34 poles5.45.41. 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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