
Compact® NSF and NSJ 150 to 600 A Circuit Breakers
Section 
| Door Mounted | Makes it possible to operate circuit breakers installed inside an enclosure from the front. The handle | 
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 | mechanism can be used in NEMA 3R and 12 enclosure applications. Degree of protection: IP40 as per | 
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 | IEC 529. | 
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 | 06153107 | 
| Operation | • The unit maintains: | 
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 | — Suitability for isolation | 
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 | — Indication of the three positions: O (off), I (on) and tripped | 
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 | — Visibility of and access to trip unit settings when door is open | 
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 | • Defeatable interlock prevents opening of door when circuit breaker is on | 
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 | • Circuit breaker may be locked in the off position by using one to three padlocks, padlock shackle | 
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 | diameter  | 
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 | switchboard door | 
| Models | • Standard with black handle | 
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 | • VDE type with red handle and yellow bezel for machine tool control | 
| Installation | The extended rotary operating handle is made up of: | 
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 | • A unit that replaces the front accessory cover of the circuit breaker (secured by screws) | 
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 | • An assembly (handle and front plate) on the door that is always secured in the same position, | 
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 | whether the circuit breaker is installed vertically or horizontally | 
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 | • An extension shaft that must be adjusted; the distances between back of circuit breaker and door | 
| 
 | are | 
| 
 | — Compact® NSF150/250 circuit breakers:  | 
| 
 | — Compact NSJ400/600 circuit breakers:  | 
| Variation for | For withdrawable configurations, the extended rotary handle is also available with a telescopic shaft | 
| Compact® NSF150– | containing two stable positions. The extended rotary operating handle is Listed under UL file E103955 | 
| NSJ600 Circuit | and Certified under CSA file LR 69561. | 
| Breakers | 
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