Related Manuals for Eaton Magnum Air MWI-625
Summarization of Contents
INTRODUCTION
General Information
Describes the Magnum Air Circuit Breaker, its ratings, and construction.
Purpose, Safety Features, and Practices
Outlines manual scope, safety features, and essential practices.
Qualified Personnel and Documentation
Defines personnel qualifications and lists additional documentation.
RECEIVING, HANDLING AND INSTALLATION
General Handling, Tools, and Unpacking
Covers receiving, tools, unpacking, and storage.
Lifting, Inspection, and Cassette Adaptation
Instructions for lifting, inspection, and adapting cassettes.
Installing Drawout Circuit Breakers
Procedures for installing drawout breakers, including positioning.
Fixed Circuit Breakers
Description and operation of fixed circuit breakers.
CIRCUIT BREAKER DESCRIPTION AND OPERATION
Introduction and Assembly Overview
Overview of breaker types, construction, and front features.
Pole Units and Contacts
Details on pole units, moving, and stationary contacts.
Operating Mechanism
Description of manual and electrical operating mechanisms.
Arc Chambers and Chutes
Explanation of arc chambers and arc chute function.
Electronic Tripping System
Overview of trip units, sensors, and trip actuators.
Current Sensors and Rating Plugs
Information on current sensors and rating plug functions.
Secondary Contacts and Diagrams
Details on secondary connections and wiring diagrams.
Accessory Devices
Overview of electrical and mechanical accessories.
DRAWOUT CIRCUIT BREAKER AND CASSETTE
General and Cassette Overview
Features unique to drawout configuration and cassette.
Dimensions
Information on breaker and cassette dimensions.
FIXED CIRCUIT BREAKER
General
Features unique to fixed configuration.
Dimensions
Information on fixed breaker dimensions.
INSPECTION AND MAINTENANCE
General Procedures and Cleaning
Importance of regular inspection, maintenance, and cleaning.
Inspection Timing and What to Inspect
Recommendations for inspection frequency and details.
Functional Field Testing
Procedures for performing functional tests.
Contact and Arc Chute Inspection
Specific inspection steps for contacts and arc chutes.
Breaker Modifications and Replacements
Procedures for rating plug and sensor replacement.
TROUBLESHOOTING
Introduction to Troubleshooting
Guide to identifying and correcting common breaker problems.
RENEWAL PARTS
General
Information on ordering spare and renewal parts.
Need help?
Do you have a question about the Magnum Air MWI-625 and is the answer not in the manual?
Questions and answers