08/07 AWB1230-1407GB
5 – 19
5.4.4
Wiring on withdrawable unit
5.4.5
Assembly with control circuit connections
Terminal X6 always available. Depending upon the equiping of the
circuit-breaker with additional accessories other terminals are
necessary.
If necessary, with additional accessories the corresponding knife
contact rail, control circuit plug and for connection area also sliding
contact module must be retrofitted.
5.4.6
Order numbers
Danger
Impermissible area for wires:
Wires could be damaged.
*)When arc chute cover is used control circuit wires must not be laid on this cover..
Carrying ha
Outlets
Interlocks
Arcing space*)
Terminal
Optional accessories
X5
– Motor drive with storage with mechanical and electrical
release.
– 2. Auxillary release (shunt release F2, undervoltage
release F3, delayable undervoltage release F4)
– Control circuit switch S3 + S4 or S7 + S8 or S3 + S8
– Motor cut-off switch S12 (only possible when motor
drive selected)
X7
– Activated- signalling switch S24
– Stored condition indication S21
– Electrical ON pushbutton S10
– Signalling switch on 1
st
release S22
– Signalling switch on 2
nd
release S23
X8
– Overcurrent release XZMU, XZMD (internal System
bus)
– Connection for external current transformer for
overload protection in N conductor and earth fault
protection
– Current transformer mounted in N conductor
– Current transformer mounted in star point of
transformer
– Remote reset magnet F7
– External voltage transformer
Auxiliary conductors
Order numbers
A
Control circuit plug with screw terminals
IZM-XKL-HS
B
Spring-loaded terminals auxiliary
conductor
IZM-XKL-HZ
C
Sliding contact module screw fixing /
standard (only for withdrawable)
IZM-XKL-SS
D
Sliding contact module optional (only for
withdrawable)
IZM-XKL-SK
E
Knife contact rail spring fixing
IZM-XKL-ML
F
Blanking cover (instead of a plug
connector)
IZM-XKL-B
G
Coding set for fixed mounting for 4 control
circuit plugs (not necessary for
withdrawable)
IZM-XKL-C
H
For 1000 V withdrawable the following
device is addditionally necessary:
Additional knife contact rail for adpation on
higher arc chute
IZM-XKL-AML1000V
Summary of Contents for IZM Series
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