Compact® NSF and NSJ 150 to 600 A Circuit Breakers
Section 9—Accessories
© 1995–2003 Schneider Electric All Rights Reserved
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Door Mounted Makes it possible to operate circuit breakers installed inside an enclosure from the front. The handle
mechanism can be used in NEMA 3R and 12 enclosure applications. Degree of protection: IP40 as per
IEC 529.
Operation
• The unit maintains:
— Suitability for isolation
— Indication of the three positions: O (off), I (on) and tripped
— Visibility of and access to trip unit settings when door is open
• Defeatable interlock prevents opening of door when circuit breaker is on
• Circuit breaker may be locked in the off position by using one to three padlocks, padlock shackle
diameter 0.19–0.31 in. (5–8 mm); padlocks are not supplied; locking prevents opening of the
switchboard door
Models
• Standard with black handle
• VDE type with red handle and yellow bezel for machine tool control
Installation The extended rotary operating handle is made up of:
• A unit that replaces the front accessory cover of the circuit breaker (secured by screws)
• An assembly (handle and front plate) on the door that is always secured in the same position,
whether the circuit breaker is installed vertically or horizontally
• An extension shaft that must be adjusted; the distances between back of circuit breaker and door
are
— Compact
®
NSF150/250 circuit breakers: 7.4–24 in. (185–600 mm)
— Compact NSJ400/600 circuit breakers: 8.4–25 in. (210–625 mm)
Variation for
Compact
®
NSF150–
NSJ600 Circuit
Breakers
For withdrawable configurations, the extended rotary handle is also available with a telescopic shaft
containing two stable positions. The extended rotary operating handle is Listed under UL file E103955
and Certified under CSA file LR 69561.
06153107