Instruction manual

KRB-5377
104
Types & Operations
• The interlock is enabled in the connected position. When the ACB is in the TEST, ISOLATED or DRAW-OUT
Position the interlock is disabled.
• If all the ACBs in the interlock system are open and receive a close (on) signal, none will turn on. However,
if this occurs there will be momentary continuity between the main circuit and the auxiliary switch A-contact in
all the ACBs.
• The body of the other ACB(s), as long as they are off (open) can be drawn out or inserted, irrespective of the state
of the other ACB(s). NOTE: Do not draw out or insert an ACB body during cable installation, adjustment or
operation check.
Specifications
ACB front cover centre line.
There should be a minimum of 200mm-gap left between the interlock mechanism and the cabinet wall, this is
to enable cable installation, adjustment or operation check.
TYPE D.
TYPE A.
TYPE C.
TYPE B.