Eaton Magnum Air MWI-C5N Manuals

Manuals and User Guides for Eaton Magnum Air MWI-C5N. We have 1 Eaton Magnum Air MWI-C5N manual available for free PDF download: User Manual

Eaton Magnum Air MWI-C5N User Manual

Eaton Magnum Air MWI-C5N User Manual (56 pages)

LV-Air Circuit Breaker

Brand: Eaton | Category: Circuit breakers | Size: 17.49 MB

Table of Contents

Table of Contents
3
1 Introduction

5
- General Information
  5
- Purpose
  6
- Safety Features
  6
- Safe Practices
  8
- Qualified Personnel
  8
- Other Publications and Documentation
  8
2 Receiving, Handling and Installation

9
- General Information
  9
- Suggested Tools
  9
- Unpacking Circuit Breaker
  9
- Storing Circuit Breaker
  9
- Lifting Circuit Breaker
  10
- Circuit Breaker Inspection
  10
- Adapting Cassette
  11
- Rejection Interlocks
  11
- Installing Secondary Jumpers
  12
- Installing Drawout Circuit Breaker
  12
- Circuit Breaker Positioning
  12
- Levering Circuit Breaker
  14
- Fixed Circuit Breaker
  15
- Circuit Breaker Operation
  15
3 Circuit Breaker Description and Operation

16
- Introduction
  16
- Basic Circuit Breaker Assembly
  20
- Pole Units
  20
- Primary Moving Contacts
  20
- Primary Stationary Contacts
  21
- Operating Mechanism
  22
- Manual Operation
  22
- Electrical Operation
  23
- Anti-Pump Feature
  23
- Arc Chambers
  23
- Arc Chute
  23
- Electronic Tripping System
  24
- Microprocessor-Based Trip Unit
  24
- Rating Plug
  26
- Current Sensors
  26
- Trip Actuator
  27
- Mechanical Trip Flag
  27
- Making Current Release
  27
- High Instantaneous Trip Option
  28
- Voltage Taps
  28
- Secondary Contacts and Connection Diagrams
  28
- Connection Diagrams
  29
- Accessory Devices
  36
- Plug-In Electrical Accessories
  36
- Internal Electrical Accessories
  38
- Mechanical Accessories
  40
4 Drawout Circuit Breaker and Cassette

43
- General
  43
- Drawout Cassette
  43
- Drawout Circuit Breaker Dimensions
  43
- Drawout Cassette Dimensions
  43
5 Fixed Circuit Breaker

45
- General
  45
- Fixed Circuit Breaker Dimensions
  45
6 Inspection and Maintenance

46
- General
  46
- General Cleaning Recommendations
  46
- When to Inspect
  46
- What to Inspect
  47
- Functional Field Testing
  47
- Arc Chute Inspection
  48
- Primary Contact Inspection
  49
- Circuit Breaker Modifications and Changes
  50
- Rating Plug Replacement
  50
- Current Sensor Replacement
  51
7 Troubleshooting

53
- Introduction
  53
8 Renewal Parts

55
- General
  55

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