KRB-5368c
-9-
ACB
Support
Conductor
ACB
Support
Conductor
ACB
Conductor
Support
Horizontal terminals
Vertical terminals
Vertical terminals
Use a support to hold conductors securely at distance L as shown in Fig. 2 and Table 2. Such a support will help preventing the
conductors and main circuit terminals from being deformed or damaged due to a large electromagnetic force caused by any fault
current.
Table 2 The maximum distance of the connection point of ACB to the first conductor support
Short-circuit current (kA)
30
50
L
(mm)
AR206E - AR216E
Horizontal terminals
200
150
Vertical terminals
150
100
Fig. 2 Support mounting
Tighten the terminal screw of control circuit terminals and auxiliary switches according to the Fig.3 torque.
Fig. 3 Control terminal screw, Auxiliary switch terminal
If any work is done near the ACB that have been installed, protect the openings of the ACB with appropriate covers to prevent
spatters, metal chips, wire cuttings or other foreign objects from entering the ACB.
Wire for anti-burnout switch of
instantaneously-rated Instantaneously-
rated shunt trip device
Auxiliary switch terminal screw
(Control terminal screw)
Pan head M4 x 8,
with spring washer and terminal washer
Tightening torque: 1.3 - 1.7 N·m
Summary of Contents for TemPower2 AR-E Series
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