Yueqing Morele Import & Export Co.,Ltd

NF series mccb

NF series mccb

Product introduction:


Product Keywords:
NF Moulded Case Circuit Breaker

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Product Category: Moulded case circuit breaker
  • Product description

    NF series circuit breaker is features of reliable working out and steady performance, reasonable structure, beautiful appearance and small volume etc. It can be used in the circuit of 50Hz or 60Hz, rated voltage up to 600V. It is used to distribute electric energy in distribution network and be overload or short circuit protection power equipment, and also can be used in transformation of circuit unfrequency under the normal conditions.
    The products conforms to IEC60947-2 standard.

    Main Technical Parameter

    Type Number of poles  Rated current in(A)  Rated voltage Ue(V) Short-circuit Interrupting capacity Icu/Ics(KA)
    DC AC
    250V 230V 400V 440V 500V
    NF30-CW 2,3,4 3,5,10,15,20,25,30 AC400(380)
    AC690(660)
    DC250
    - 5/2 5/2 2.5/1 2.5/1
    NF50-CW 2,3,4 5,10,15,20,30,40,50 - 5/2 5/2 2.5/1 2.5/1
    NF60-CW 2,3,4 10,15,20,20,40,50,60 - 5/2 5/2 2.5/1 2.5/1
    NF125-CW 2,3,4 50,60,75,100,125 - 25/13 10/5 10/5 7.5/4
    NF250-CW 2,3,4 125,150,175,200,225,250 - 30/15 18/9 15/8 10/5
    NF400-CW 2,3,4 250,300,350,400 - 35/25 25/18 25/18 15/10
    NF630-CW 2,3,4 500,600,630 - 50/35 35/25 35/25 18/10 

    Type Number of poles
    Rated current in(A)

    Rated voltage Ue(V)
    Short-circuit Interrupting capacity Icu/Ics(KA)
    DC AC
    250V 230V 380V 440V 440V 500V
    NF30-CS 3 10,15,20,25,30 AC400(380)
    AC690(660)
    DC250
    - 5/2 5/2 2.5/1    
    NF50- CS 2 10,15,20,30,40,50 - 5/2 5/2 5/2 2.5/1 2.5/1
    3
    NF60- CS 2 10,15,20,30,40,50,60 - 5/2 5/2 5/2 2.5/1  2.5/1
    3
    NF100- CS 2 50,60,75,100 - 25/10 18/10 18/10 10/7.5 7.5/5
    3
    NF250- CS 3 125,150,175,200,225,250 - 25/10 18/10 18/10 15/10 10/7.5
    NF400- CS 3 250,300,350,400 - 35/25 25/18 25/18 25/18 15/10
    NF630- CS 3 500,600,630 - 50/35 35/25 35/18 35/25 18/10
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