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Manuals
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Mitsubishi Electric Manuals
Industrial Electrical
C Series
Handling and maintenance
Mitsubishi Electric C Series Handling And Maintenance
Moulded case circuit breakers, earth leakage circuit breakers, earth leakage relays & circuit protectors
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
1 Items to be Practiced Without Fail for Safety
Cautionary Instructions for Operation
Cautionary Instructions for Maintenance & Inspection
Cautionary Instructions for Work
2 Before Using
Cautionary Instructions in General
Operation
Switching Operation
Trip and Reset Operation
How to Set Current Rating, Trip Characteristic, Sensitive Current and Operating Time
Cautionary Instructions for Setting
How to Set Characteristics of Molded-Case Circuit Breakers [Electronic Overcurrent Tripping Type]
How to Set Characteristics of Molded-Case Circuit Breakers [Electronic Overcurrent Tripping Type]
How to Set Characteristics of Molded-Case Circuit Breakers [Applicable Models: NFE2000-S, NFE3000-S, NFE4000-S]
How to Set Inverse Time-Delay or Instantaneous Tripping Characteristics of Circuit Breakers [Adjustable Thermal or Magnetic Type]
How to Switch Voltage, Sensitivity Current and Operating Time (Time Delay Type) of Earth Leakage Circuit Breakers
How to Change Rated Current, Tripping Characteristic and Leak Tripping Characteristic Series Earth Leakage Circuit Breakers (Electronic Overcurrent Tripping Type)
How to Switch Voltage, Sensitivity Current and Operating Time of Earth-Leakage Relay
3 Installation
Notice for Selection
Normal Service Conditions
Non-Standard Conditions
Inspection at Arrival
Conditions During Transport and Storage
Transport
Storage
Installation and Connection
General
Installation
Connection
Mounting Direction
Distances between Circuit Breaker and Earthed Metal Parts
Current-Carrying Capacity and Operating Temperature
Breaker Arrangements
Instruction for Connections
Instruction for Accessories
External Accessories
4 Maintenance and Inspection
Initial Inspection
Periodical Inspection
Inspection after Tripping
Yardstick Service Life
Standard Tools and Measuring Instruments
5 Troubleshooting
Troubleshooting for Circuit-Breaker Proper (MCCB/ELCB)
Troubleshooting for Leakage Operation Portion
Troubleshooting of Accessories
Analysis of Unnecessary Operation
Classification of ELCB Operation
Detail of Operation
6 After-Sales Service
Countermeasures to be Taken in Case of Anomaly
After-Sales Service System
APPENDIX 1 Breaker Mounting Screws
APPENDIX 2 Standard Tightening Torque for Connections
APPENDIX 3 Operating Force of Handle
APPENDIX 4 Service Network
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Quick Links
1
Cautionary Instructions for Operation
2
Switching Operation
3
Installation and Connection
4
Installation
5
Connection
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MOULDED CASE CIRCUIT BREAKERS,
EARTH LEAKAGE CIRCUIT BREAKERS,
EARTH LEAKAGE RELAYS &
CIRCUIT PROTECTORS
HANDLING AND MAINTENANCE
06A
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Troubleshooting
Troubleshooting
81
Troubleshooting for leakage operation portion
82
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This manual is also suitable for:
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