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Compact® NSF and NSJ 150 to 600 A Circuit Breakers
Section 5—Switches
© 1995–2003 Schneider Electric All Rights Reserved
17
SECTION 5—SWITCHES
RATINGS AND INTERRUPTING RATINGS
UL 1087 Listed Ratings
IEC 947-3 Ratings
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06153061
Compact
®
Switches NSF150A NSF250A
Number of Poles
3, 4, 4P OSN* 3, 4
Rated Voltage (V)
AC 50/60 Hz 600Y/ 347 600Y/ 347
Rated Current (A)
150 250
*Oversized Neutral Protection: four-pole OSN 125/250 and 150/250 are same ratings as NSF250A.
Compact
®
Switches NSF150A NSF250A
Number of Poles
3, 4, 4P 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 Operational Current (V) Ie
AC23A 690 V 160 250
DC23A 250 V 160 250
DC23A 500 V (2 poles in series) 160 250
Making Capacity (kA peak)
3.6 4.9
Short-time Withstand Current
(kA rms)
Icw
Icw (kA rms) 2.5 3.5
Duration (s) 3 3
*Oversized Neutral Protection