Knkong Electric Co.,Ltd

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NXB-125G 3P Miniature circuit breaker

Compliant standards:IEC60898-1
Certification:CE
Major function:Overload protection, short circuit protection, positive isolation
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Product Introduction

Technical parameters

Rated current: 63,80,100(1P,2P,3P,4P),125(1P,2P);
Rated voltage: 240V ~ (1P), 415V ~ (2P,3P,4P); 
Frequency: 50hz;
Electromagnetic release type: B, C, D;
Number of poles: 1P, 2P, 3P,  4P;
Mechanical life: 20000 cycles;
Electrical life: 6000 cycles(In≤100A);4000 cycles(In＞100A)
Rated short-circuit breaking capacity(Icn): 10000A;
Short-circuit breaking capacity (Ics): 7500A;
Rated impulse withstand voltage (Uimp): 4kV;
Power consumption on each pole of the circuit breaker: 

Rated current In (A)

Maximum power consumption per pole (W)

63

3.5

80

5.5

100

7.5

125

11.5

Dimensions and installation sizes

MCB

 

 

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