AIR CIRCUIT BREAKERS - Electrical and Electronics Division

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ACCESSORIES �OR �N RANGE
Switch-disconnector-fuse
Switched Neutral
In �N 32/63, the switched neutral pole is an integral part of the
switch-disconnector-fuse unit. �or higher ratings, a double break,
site fittable switched neutral pole which is make before break after
can be provided. This is operated by the main mechanism.
Castell Interlock
Switch-disconnector-fuse units can be locked in O�� position with
the help of a castell interlock. This can also be used to interlock
two SD�Us. (12 different locks are available)
Triple pole SD� may be ordered for Castell Interlocking
Terminal Shroud
The terminals can be shrouded for protection against accidental
human contact with live terminals, and against phase-phase short
circuit through an external conducting path.
Auxiliary Contacts
1NO+1NC auxiliary contact is available as an accessory. This can
be suitably wired in the control circuit. Rated operational current
Ie (AC-15-4A). Rated operational voltage U - 415Ve
TECHNICAL DATA �OR AUXILIARY CONTACTS
�N32 �N63 �N125 �N200 �N250 �N315 �N400 �N630
Rated Operational Current (le) A 4 4 4 4 4 4 4 4
(AC-15 Utilization Category)
Rated Operational Voltage (Ue) V 415 415 415 415 415 415 415 415