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New generation IZM97, 99 low voltage air circuit breaker instruction manual
MN013010EN February 2020 www.eaton.com.cn
Section 4: Accessory devices
Terminal
position
1 to 6
Terminal
position
7 to 12
Quick Connect terminal
Step 4: The terminal box should be installed at the end of
the secondary terminal block with appropriate labels (C, D, T
from 1 to 6, and 7 to 12). Attach the provided labels on the
terminal box for identification.
Connect it to the corresponding terminal block according
to the mark on each cell switch output line, and insert the
switch “Quick Connect” terminal into the rear of the termi-
nal block.
Step 5: If installation is required, each switch (up to three)
requires two terminal blocks or connection to external
resources.
ote:
N
Only one switch can be connected to the terminal
block of the circuit breaker. If two switches are
required for installation, the customer must provide
an additional terminal block.
Figure 5. Step 4
Figure 6. Step 5
IZM9 low voltage circuit breaker Ronis key inter-
lock parts
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 key interlock provides the following safety features:
1. With NO key, the circuit breaker is “OPEN” and cannot
close.
2. With the key ON, the breaker is fully operational.
3. With the circuit breaker ON, the key cannot be removed.
The key cannot switch the breaker to “OFF” state.
ote:
N
To remove the key, press the breaker “OFF” button,
and rotate the key 90 degrees counterclockwise.
Required tools
• 1/4 inch socket handle
• 10mm socket
• Phillips screwdriver (2# head Phillips)
• Adjustable wrench
• Needle plier
• 3mm wrench
• Screwdriver
Kit Parts Identification
Refer to Figure 1 for the parts listed below:
(A) Interlock lever assembly
(B) Ronis lock #R B A 90G E L3000 and Ronis key (Ronis key
lock not supplied)
(C) Bearing bush
(D) Lock mounting panel
(E) Torsion spring
(F) Interlock adapter kits
(G) Lock nut
(H) M3.2 lock spring