Advertisement
2
—
Figure 3. Mechanical counter installed in breaker.
9.
Reinstall the breaker top cover, ensuring that the Trip
Unit and aluminum accessory sleeve are properly aligned
with the cover. Tighten the four #10-32 screws to 32 in-
lbs.
10.
Replace the trim plate and tighten the four #8-32 screws
to 20 in-lbs.
11.
If it is a draw-out breaker, rack it back in.
Symptom
The Mechanical Counter does not
advance with operation of the
breaker.
The first digit of the Mechanical
Counter is partially obscured in
the top cover window, as in
Figure 4.
—
—
ABB Inc.
GE is a trademark of GE. Manufactured
305 Gregson Drive
by ABB Inc. under license from GE.
Cary, NC 27511.
electrification.us.abb.com
Possible Cause
The spring-loaded Mechanical
Counter arm is not above the tab
on the ON-OFF flag.
The Mechanical Counter is out of
adjustment on the mounting plate.
—
We reserve the right to make technical
changes or modify the contents of this
document without prior notice. With
regard to purchase orders, the agreed
particulars shall prevail. ABB Inc. does not
accept any responsibility whatsoever for
potential errors or possible lack of
information in this document.
12.
Apply control power to the accessories, then follow the
normal procedure to recharge the springs and turn the
breaker on.
Trouble-Shooting
The following guide is provided for and isolating common
problems. It does not cover every possible situation. Contact
the Customer Support Center at 800-843-3742 if any problem
is not resolved by these procedures.
Partially Obscure Counter Display
—
Figure 4 . Counter partially obscured in top cover window.
Corrective Action
See step 6 of the installation
instructions.
Measure the interference. Remove the
breaker top cover and the Mechanical
Counter assembly. Loosen the two
screws holding the Counter to the
mounting plate. Slide the Counter over by
the amount of the interference. Tighten
the two Counter mounting screws to 10
in-lbs, then reinstall the Counter as per
the installation instructions.
We reserve all rights in this document and
in the subject matter and illustrations
contained therein. Any reproduction or
utilization of its contents – in whole or in
parts – is forbidden without prior written
consent of ABB Inc.
Copyright© 2019 ABB
All rights reserved
Advertisement
