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Moulded Case Circuit Breaker MCCB 3p (KNM3 Series MODIFIED TYPE) with Ce CB 160A/250A
Moulded Case Circuit Breaker MCCB 3p (KNM3 Series MODIFIED TYPE) with Ce CB 160A/250A
Moulded Case Circuit Breaker MCCB 3p (KNM3 Series MODIFIED TYPE) with Ce CB 160A/250A
Moulded Case Circuit Breaker MCCB 3p (KNM3 Series MODIFIED TYPE) with Ce CB 160A/250A
Moulded Case Circuit Breaker MCCB 3p (KNM3 Series MODIFIED TYPE) with Ce CB 160A/250A
Moulded Case Circuit Breaker MCCB 3p (KNM3 Series MODIFIED TYPE) with Ce CB 160A/250A

Moulded Case Circuit Breaker MCCB 3p (KNM3 Series MODIFIED TYPE) with Ce CB 160A/250A

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KNM3 series moulded case circuit breaker rated insulation voltage of this circuit breaker is 750V which is applicable for the electricity distribution net of AC 50Hz, rated working voltage 690V and below, rated working current from 6A to 1600A.

   KNM3 series moulded case circuit breaker applies 
The rated insulation voltage of this circuit breaker is 750V which is applicable for the
electricity distribution net of AC 50Hz, rated working voltage 690V and below, rated working
current from 6A to 1600A. It is used to distribute electric power and protect the line and power
apparatus from being overload and short-circuit protection of the motor.
        This circuit breaker can be installed vertically and horizontally.
        This product complies with standard IEC60947-2,GB14048.2


This product conforms to the requirement of IEC60947-2, GB14048.2 standards.

Frame class1302504006301600
Pole No .33333
Rated current In(A)10,15,20,125,160,250,315,400,500,6301000,1250,1600
30,40,50,63,80,100,125,160180,200,250350,400



 

TypeKNM3-125NKNM3-160NKNM3-250NKNM3-400NKNM3-630NKNM3-800NKNM3-800N
Rated current In(A)125A160A250A400A630A800A1250~1600A
Rated insulation voltage(V)500690800800800800800
Rated pulse voltage(KV)6688888
Rated working voltage ue (V)AC500AC690AC690AC690AC690AC690AC690
DC250DC500DC750DC750DC750DC750DC750
Ultimate
short-circuit
breaking
capacity
lcu(KA)
AC 50/60Hz
220/240V40506565656585
380/415V25353535353550
440V16203030303040
500V12122525252535
690V-81420202020
Operative short-circuit Breaking capacity50%luc75%luc75%luc75%luc75%luc75%luc75%luc
Isolation function
Usage categoryAAAAABB
Mode
of
tripping
unit
Unadjustable 




Adjustable thermal trip Unadjustable electromagetic trip




Unadjustable

Machanical life25000250002500020000200002000010000
Electrical life8000800080007000500050005000
Outline dimensions(mm)L7890105140210210210
D7070103.5103.5103.5103.5138.5
H120120170254268268406


3



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