
Compact® NSF and NSJ 150 to 600 A Circuit Breakers
Section 
SECTION 3—CIRCUIT  BREAKERS
RATINGS AND INTERRUPTING RATINGS
UL 489 Listed Ratings
| 06153061 | Number of Poles | 
 | 
 | 3, 4, 4 OSN* | 
 | 3, 4 | 
 | 
| 
 | Compact® Circuit Breakers | 
 | 
 | NSF150 | 
 | NSF250 | 
 | 
| 
 | 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: 
IEC 947-2  and EN 60947-2  Ratings
| 
 | Compact® Circuit Breakers | 
 | 
 | 
 | NSF150 | 
 | NSF250 | 
 | 
| 06153062 | Rated Insulation Voltage (V) | Ui | 
 | 
 | 750 | 
 | 750 | 
 | 
| 
 | Number of Poles | 
 | 
 | 
 | 3, 4, 4 OSN* | 
 | 3, 4 | 
 | 
| 
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| 
 | Rated Impulse | Uimp | 
 | 
 | 8 | 
 | 8 | 
 | 
| 
 | Withstand Voltage (kV) | 
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| 
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| 
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| 
 | Rated Operational Voltage (V) | Ue | AC 50/60 Hz | 
 | 690 | 
 | 690 | 
 | 
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | ||
| 
 | DC | 
 | 500 | 
 | 500 | 
 | ||
| 
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 | 
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 | |||
| 
 | Rated Current (A) | In | 
 | 
 | 
 | 
 | 
 | 
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| 
 | 40° C | 
 | 150 | 
 | 250 | 
 | ||
| 
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 | 
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 | 
 | 
 | 
 | 
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| 
 | 
 | 
 | 
 | 
 | N | H | N | H | 
| 
 | Ultimate Breaking Capacity (kA rms) | Icu | AC 50/50 Hz | 220/ 240 V | 85 | 100 | 85 | 100 | 
| 
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| 
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 | 
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 | 380/ 415 V | 36 | 70 | 36 | 70 | 
| 
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| 
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 | 440 V | 35 | 65 | 35 | 65 | 
| 
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| 
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 | 500 V | 30 | 50 | 30 | 50 | 
| 
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| 
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 | 525 V | 22 | 35 | 22 | 35 | 
| 
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| 
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 | 600/ 690 V | 8 | 10 | 8 | 10 | 
| 
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| 
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 | DC | 250 V (1 pole) | 50 | 85 | 50 | 85 | 
| 
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 | 500 V (2 pole in | 50 | 85 | 50 | 85 | 
| 
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 | series) | ||||
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| 
 | Service Breaking Capacity | Ics | (% Icu) | 
 | 100% | 100% | 100% | 100% | 
| 
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| 
 | Utilization Category | 
 | 
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 | A | A | A | A | 
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*Oversized Neutral Protection: 
| 8 | ©  | 
