ABB GE Power Break II User manual

1
GEH6280 I NSTRUCTIONS
Power Break® II Circuit Breaker Accessories
Mechanical Counter
Introduction
The Mechanical Counter, shown in Figure 1, can be installed
in 800-4000 ampere frame Power Break II circuit breakers.
Its function is to count the number of times the breaker is
closed. The catalog number when ordered with a circuit
breaker for factory installation is SPCOUNTER. The catalog
number of the field installable Mechanical Counter kit is
SPCOUNTERR.
control power to the accessories and motor operator (if
present). If it is a draw-out breaker, rack it out.
Loosen the four #8-32 screws on the trim-plate assembly
and remove the trim plate.
Loosen the four screws at the corners of the breaker
cover. Remove the cover from the breaker face.
On the breaker cover, use a screwdriver to punch out
the knockout above the CHARGE-DISCHARGE flag
opening.
Hold the ON-OFF flag towards the ON position, then
carefully insert the flag lockout plate to retain the flag
in this position. The flag lockout plate should be
installed close to the side frame on which the ON-OFF
flag pivots and over the larger diameter portion of
the mechanism cross pin. The installed flag lockout
plate is shown in Figure 2.
and over the larger diameter portion
mechanism cross pin. The installed flag lockout
plate is shown in Figure
2.
Locate the two mounting holes through the side
frame, behind the CHARGE DISCHARGE flag. Place the
spring-loaded Mechanical Counter arm above the tab
on the ON-OFF flag, while simultaneously inserting the
two pins on the Mechanical Counter through the holes
in the side frame.
Slide the straight legs of the provided clip over the pin
on the Mechanical Counter furthest from the ON-OFF
flag. Rotate the clip counterclockwise until the cir-
cular part of the clip snaps over the second pin on the
Mechanical Counter.
Carefully remove the flag lockout plate, allowing the
ON-OFF flag to return to the OFF position. The instal-
led Mechanical Counter is shown in Figure 3.
LOCKOUT
PLATE
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Figure 1. Mechanical Counter.
Operation
The count displayed by the Mechanical Counter is increme-
nted each time the circuit breaker is closed.
—
Figure 2. Flag lockout plate installed in breaker.
Installation
WARNING: Before installing any accessories, turn
the breaker OFF, disconnect it from all voltage sources,
and discharge the closing springs.
AVERTISSEMENT: Avant d'installer tout accessoire, mettre le
disjoncteur en position OFF, le d éconnecter de toute tension
d'alimentation, et décharge les ressorts d'armement
Install the Mechanical Counter with the following procedure.
1. Turn off the breaker, discharge the springs,and turn off
2.
3.
4.
4.
6.
7.
8.

2
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.
Replace the trim plate and tighten the four #8-32 screws
to 20 in-lbs.
If it is a draw-out breaker, rack it back in.
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
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.
Symptom
—
Figure 3. Mechanical counter installed in breaker.
1SQC930025M0201, GEH6280 December 2019
—
Figure 4. Counter partially obscured in top cover window.
—
ABB Inc.
305 Gregson Drive
Cary, NC 27511.
electrification.us.abb.com
—
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.
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
—
GE is a trademark of GE. Manufactured
by ABB Inc. under license from GE.
Apply control power to the accessories, then follow the
normal procedure to recharge the springs and turn the
breaker on.
12.
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.
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.
9.
10.
11.