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IZM32
Eaton IZM32 User Manual
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10
IZ
M3
2 / I
N3
2 l
ow vo
lt
a
ge a
ir c
i
r
cu
i
t br
e
ake
r
M
N
013017EN M
ay 2
02
2 w
w
w.ea
ton.c
om
Sec
t
ion 2: R
ecei
ving
, handling
, an
d inst
allat
ion
Fi
gur
e 2-
1
1 Dr
awou
t c
as
s
et
te fe
a
tu
re
s (fr
on
t an
d re
ar v
iew
s)
2
1
4
3
6
5
8
7
1
1
2
2
3
4
5
6
6
7
7
8
9
9
9
10
10
10
4
(F
ront V
iew)
(Rear V
iew)
Extension Rails
Extension Rail Cutout
Secondar
y Plug-in Connectors
Secondar
y T
erminal
Bloc
ks
Arc Hood
Optional Cell (T
OC) S
witc
h
Optional Ke
y Interloc
k
Earthing Bar
Open Saf
ety Shut
ters
Primary T
erminals
13
15
Table of Contents
Table of Contents
3
Section 1: Introduction
5
General Information
5
Safety Features
6
Safe Practices
6
Qualified Personnel
6
Section 2: Receiving, Handling, and Installation
7
General Information
7
Suggested Tools
7
Unpacking Circuit Breaker
7
2-3.1 Storing Circuit Breaker
7
Lifting Circuit Breaker
8
Circuit Breaker Inspection
8
Adapting Cassette
9
2-6.1 Rejection Interlocks
9
2-6.2 Installing Secondary Jumpers
9
Installing Drawout Circuit Breaker
10
2-7.1 Circuit Breaker Positioning
10
2-7.2 Levering Circuit Breaker
12
Fixed Circuit Breaker
15
Circuit Breaker Operation
15
Technical Data
16
Section 3: Circuit Breaker Description and Operation
19
Introduction
19
Basic Circuit Breaker Assembly
22
Operating Mechanism
22
3-3.1 Manual Operation
23
3-3.2 Electrical Operation
23
3-3.3 Anti-Pump Feature
23
Electronic Tripping System
24
3-4.1 Microprocessor-Based Trip Unit
24
3-4.2 Rating Plug
24
3-4.3 Current Sensors
24
3-4.4 Frame Rating Module
24
3-4.5 Trip Actuator
25
3-4.6 Fixed High Instantaneous Non-Adjustable Trip
25
3-4.7 Non-Automatic Device
25
Secondary Contacts and Connection Diagrams
26
Section 4: Dimensional Drawings
27
Section 5: Protective Characteristic Curves
38
Section 6: Wiring Diagrams
48
Section 7: Inspection and Maintenance
55
General
55
General Cleaning Recommendations
55
When to Inspect
55
What to Inspect
55
7-4.1 Functional Field Testing
56
7-4.2 Arc Chute Inspection
56
7-4.3 Primary Contact Inspection
57
Section 8: Troubleshooting
59
Introduction
59
Other manuals for Eaton IZM32
Operation And Maintenance Instructional Manual
52 pages
Instructions
4 pages
Installation Guide
4 pages
Manual
8 pages
4
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Eaton IZM32 Specifications
General
Brand
Eaton
Model
IZM32
Category
Circuit breakers
Language
English
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