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Ex9M Series
Noark Ex9M Series User Manual
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NOARK Electric
（
Shanghai
）
Co.,Ltd.
Addr
es
s: No. 38
57
, Six
ian Ro
ad,
Songjiang Distr
ict, Shanghai,
P
.R.China, 201
61
4
http://
na.noark-electric
.com
Printed with environmentally-frien
dly paper
The ex
pre
ssi
on r
ight of t
he in
str
uc
tio
ns ar
e owne
d by NOA
RK
.
Moulded Case Circuit Breaker
Series
125A
2
Table of Contents
Table of Contents
2
Features
6
Bearing Type
6
Current Limiting Type
6
Compact, Fast, Flexible
7
Environmental Friendly
8
Operating Conditions
8
Model Selection and Ordering Information
9
Reference Table for Accessory Selection
11
Functions
13
AC Power Distribution Protection
16
Motor Protection
18
Switch Disconnector
21
Residual Current Protection
22
Selective Protection
22
DC Power Distribution Protection
23
Accessories
24
Overview
24
Internal Accessories
24
Connecting Accessories
27
External Accessories
28
Insulation Accessories
30
Curves and Parameters
31
Characteristic Curve of Thermal Magnetic Type Release
31
Characteristic Curve of Electromagnetic Type Release
33
Characteristic Curve of Distribution Protection Electronic Type Release
34
Characteristic Curve of Motor Protection Electronic Type Release
34
Derating Curve and Parameters
35
Power Consumption Table
36
Cascade Protection
37
Selective Protection
38
Parameter Table of Connecting Cables
39
Dimensions and Installation
39
Outline Dimensions of Fixed Type
39
Front Connection of Fixed Type
44
Plug-In Type Connection
49
Manual Operating Mechnism
52
4
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Noark Ex9M Series Specifications
General
Brand
Noark
Model
Ex9M Series
Category
Circuit breakers
Language
English
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