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Compact® NSF and NSJ 150 to 600 A Circuit Breakers
Section 3—Circuit Breakers
© 1995–2003 Schneider Electric All Rights Reserved
8
SECTION 3—CIRCUIT BREAKERS
RATINGS AND INTERRUPTING RATINGS
UL 489 Listed Ratings
IEC 947-2 and EN 60947-2 Ratings
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06153061
06153062
Compact
®
Circuit Breakers NSF150 NSF250
Number of Poles
3, 4, 4 OSN* 3, 4
Rated Voltage (V)
AC 50/60 Hz 600Y/347 600Y/347
Rated Current (A) In
40° C 150 250
N H N H
Interrupting Ratings (kA rms)
240 V 65 100 65 100
480 V 35 65 35 65
600 Y/ 347 V 18 25 18 25
600 V — — — —
*Oversized Neutral Protection: four-pole OSN 125/250N and 150/250N are same ratings as NSF250A.
Compact
®
Circuit Breakers NSF150 NSF250
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 150 250
N H N H
Ultimate Breaking Capacity (kA rms) Icu
AC 50/50 Hz 220/ 240 V 85 100 85 100
380/ 415 V 36 70 36 70
440 V 35 65 35 65
500 V 30 50 30 50
525 V 22 35 22 35
600/ 690 V 8 10 8 10
DC 250 V (1 pole) 50 85 50 85
500 V (2 pole in
series)
50 85 50 85
Service Breaking Capacity Ics
(% Icu) 100% 100% 100% 100%
Utilization Category
A A A A
*Oversized Neutral Protection: four-pole OSN 125/250N and 150/250N are same ratings as NSF250A.