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Magnum Air MWI-C12
Eaton Magnum Air MWI-C12 Manuals
Manuals and User Guides for Eaton Magnum Air MWI-C12. We have
1
Eaton Magnum Air MWI-C12 manual available for free PDF download: User Manual
Eaton Magnum Air MWI-C12 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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