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Noark Ex9M Series - User Manual

Noark Ex9M Series
55 pages
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NOARK ElectricShanghaiCo.,Ltd.
Address: No. 3857, Sixian Road,
Songjiang District, Shanghai,
P.R.China, 201614
http://na.noark-electric.com
Printed with environmentally-friendly paper
The expression right of the instructions are owned by NOARK.
Moulded Case Circuit Breaker
Series
125A
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Summary

Company Information

Company Introduction

General overview of Noark Electric's global presence, R&D capabilities, and market reach.

Quality Guarantee

Details on Noark's commitment to product quality through design, materials, manufacturing, and inspection.

Comprehensive Protections

Overview of Ex9M circuit breaker protections: power distribution, motor, residual current, and switch disconnector.

Product Features

Modular and Bearing Type Features

Discusses modular design, scalability, and the importance of bearing type for mechanism performance.

Current Limiting and Compact Design

Explains current limiting principles and the compact, lightweight design of Ex9M breakers.

Environmental and Operation Conditions

Details the environmental friendliness of materials and operational conditions like temperature and altitude.

Model Selection and Ordering Guide

Circuit Breaker Model Selection

Provides tables and examples for selecting AC, DC, and electronic type circuit breakers.

Accessory Selection Reference

A comprehensive table guiding the selection of various accessories for Ex9M series.

Product Functions

Functionality Overview and Tables

Introduces product functions and presents detailed parameter tables for various circuit breaker series.

Protection Functions Details

Details residual current, AC power distribution, motor protection, and switch disconnector functions.

Release Type and Advanced Protections

Describes release types (TM, Electronic) and advanced protections like selective and cascade.

DC Power Distribution Protection

Explains Noark's DC system protection solutions and the features of Ex9MD circuit breakers.

Accessories Guide

Accessory Overview and Types

Introduces the range of internal, connection, and external accessories available for circuit breakers.

Specialized and Communication Accessories

Focuses on motor-driven operating mechanisms, Modbus communication modules, and related accessories.

Insulation and Mechanical Accessories

Describes terminal covers, interphase barriers, mechanical interlocks, and battery boxes.

Curves and Parameters

Release Characteristic Curves

Displays time-current characteristic curves for thermal magnetic, electromagnetic, and electronic releases.

Derating and Cascade Parameters

Provides tables for derating coefficients based on temperature/altitude and cascade protection coordination.

Cable and Other Technical Parameters

Details parameters for connecting cables, busbars, and derating coefficients for accessories.

Dimensions and Installation

Fixed Type Installation Dimensions

Shows outline dimensions and mounting details for fixed type circuit breakers across various models.

Mounting Methods and Connections

Covers DIN rail, plug-in, and draw-out connection types and their respective installation procedures.

Mechanism Installation Dimensions

Provides detailed installation dimensions for manual and motor-driven operating mechanisms.

Wire Specifications

Details wire size recommendations for terminal connections based on current ratings.

Noark Ex9M Series Specifications

General IconGeneral
BrandNoark
ModelEx9M Series
CategoryCircuit breakers
LanguageEnglish

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