Compact® NSF and NSJ 150 to 600 A Circuit Breakers
Section 3—Circuit Breakers
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UL 489 Listed Ratings
IEC 947-2 and EN 60947-2 Ratings
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06153061
06153063
Compact® Circuit Breakers NSJ400 NSJ600
Number of Poles 3, 4, 4 OSN* 3, 4
Rated Voltage (V) AC 50/60 Hz 600 600
Rated Current (A) In 40° C 400 (100% Rated Circuit Breaker) 600
N H L N H L
Interrupting Ratings (kA rms) 240 V 65 100 150 65 100 150
480 V 35 65 100 35 65 100
600 Y/ 347 V — — — — — —
600 V 182525182525
*Oversized Neutral
Compact® Circuit Breakers NSJ400 NSJ600
Number of Poles 3, 4, 4 OSN* 3, 4
Rated Insulation Voltage (V) Ui 750 750
Rated Impulse
Withstand Voltage (kV) Uimp 88
Rated Operational Voltage (V) Ue AC 50/60 Hz 690 690
DC 500 500
Rated Current (A) In 40° C 400 600
N H L N H L
Ultimate Breaking Capacity
(kA rms) Icu AC 50/50 Hz 220/240 V 85 100 150 85 100 150
380/415 V 45 70 150 45 70 150
440 V 42 65 130 42 65 130
500 V 30 50 70 30 50 70
525 V 22 35 50 22 35 50
600/690 V 10 20 35 10 20 35
DC 250 V (1 pole) — 85 — — 85 —
500 V (2 pole
in series) —85—— 85—
Service Breaking Capacity Ics (% Icu) 100% 100% 100% 100% — 100%
Utilization Category A A A A — A
*Oversized Neutral