Accessory Installation - Eaton IZM97 Instruction Manual

Section 4: Accessory devices

4-4 Accessory installation

IZM9 low voltage circuit breaker operation counter
WARNING
(1) Only qualified electrical personnel should be permit-
ted to work on the equipment.
(2) Always de-energize primary and secondary circuits
if a circuit breaker cannot be removed to a safe work
location.
(3) Drawout circuit breakers should be levered (racked)
out to the DISCONNECT position.
(4) All circuit breakers should be switched to the OFF
position and mechanism springs discharged.
Failure to follow these steps for all procedures described
in this instruction leaflet could result in death, bodily
injury, or property damage.
Section 1: General information
The operation counter is a mechanical device used to pro-
vide a record of the number of circuit operations. It can be
viewed through the breaker's front cover.
Required tools:
• 1/4-inch socket wrench
• 10mm socket
• Phillips head screwdriver (#2 recommended)
• Small chisel
• Small flat file
Kit Parts Identification
The counter assembly consists of the following(Figure 1):
(A) Fixed mounting panel
(B) Counter drive
(C) Counter (1)
(D) Reset spring (1)
(E) M3.5x8 tapping screw (2)
(F) M3x6 tapping screw (3)
32 New generation IZM97, 99 low voltage air circuit breaker instruction manual MN013010EN February 2020 www.eaton.com.cn
(B)
(A)
(C)
Figure 1. Contents of Kit
Section 2: Installation of operation counter
Proceed with the following 11 steps to install the operation
counter:
Step1: Remove the inner hexagonal mounting screws (four
for 3 pole breakers and six for 4 pole breakers) from the
circuit breaker's front cover using a 10 mm 1/4-inch socket
wrench. Then pull down on the charging handle (by about
45° angle) to remove the front cover.
Step 2: Place the cover horizontally, cut out the reserved
hole along the mark using a chisel (or similar tools), and file
it flat with a flat file.
Figure 2. Step 1 and 2
(E)
(D)
(F)
Reserved hole
Screw