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Moeller
NZM1 Circuit Breaker
Overview
  NZMB1 NZMC1 NZMN1 NZMH1
Switching Capacity 63 121 187 220
240 V Icm kA 53 76 105 220
400/415 V 63 74 74
440 V -- 24 40 40
525 V -- 14 17 17
690 V          
Rated short-circuit breaking capacity Icn
  NZMB1 NZMC1 NZMN1 NZMH1
Icu to IEC/EN 60947 operating sequence O-t-CO
240 V 50/60 Icu kA 30 55 85 100
400/415 V 50/60 Hz 25 36 50 100
440 V 50/60 25 30 35 35
525 V 50/60 – 12 20 20
690 V 50/60 – 8 10 10
500 V DC – – 15 30
750 V DC – – – –
Ics to IEC/EN 60947 operating sequence O-t-CO-t-CO
240 V 50/60 Hz Ics kA 30 55 85 100
400/415 V 50/60 Hz 25 36 50 50
440 V 50/60 Hz 18.5 22.5 35 35
525 V 50/60 Hz – 6 10 10
690 V 50/60 Hz – 4 7.5 7.5
  NZMB1 NZMC1 NZMN1 NZMH1
Utilization category to IEC/EN 60947-2 A A A A
Rated operational withstand current        
t = 0.3 s Icw kA – – – –
t = 1 s – – – –
Rated making and breaking capacity
Rated operational current NZMB1 NZMC1 NZMN1 NZMH1
AC-1
400/415 V 50/60 Hz Ie A 160 160 160 160
690 V 50/60 Hz 160 160 160 160
AC-3
400/415 V 50/60 Hz Ie A 160 160 160 160
690 V 50/60 Hz 160 160 160 160
DC-1
500 V DC Ie A – – 125 125
750 V DC – – – –
DC-3
500 V DC Ie A – – 125 125
750 V DC – – – –
  NZMB1 NZMC1 NZMN1 NZMH1
Life Mechanical Operations 2000 2000 2000 2000
Max.
Operating
frequency		 S/h 120 120 120 120
Life, electrical
  NZMB1 NZMC1 NZMN1 NZMH1
AC-1
400/415 V 50/60 Hz Operations 10000 10000 10000 10000
690 V
50/60 Hz		 – 7500 7500 7500
AC-3
400/415 V 50/60 Hz Operations – – 7500 7500
690 V
50/60 Hz		 – – 5000 5000
DC-1
500 V DC Operations – – 10000 10000
750 V DC – – – –
DC-3
500 V DC Operations – – 5000 5000
750 V DC – – – –
 

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