Table of Contents
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(Fixed type and Type AGR-12B Overcurrent Protective Device)
Be sure to read this manual before installing, operating, servicing, or inspecting the ACB.
Please retain this manual for future reference.
Electrical work must be done by competent persons.
ACB maintenance, inspection, parts replacement, OCR field tests and setting changes must be performed by competent
persons.
INSTRUCTION MANUAL FOR
AR-E AIR CIRCUIT BREAKERS
AR206E
Types:
AR208E
AR210E
AR212E
AR216E
Notice
KRB-5368c
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Table of Contents
Related Manuals for TERASAKI TemPower2 AR210E
Summarization of Contents
Safety Notices and Precautions
Transportation Safety
Safety warnings during ACB transportation.
Installation Safety
Critical safety guidelines for ACB installation.
Operation Safety
Essential safety practices for operating the ACB.
OCR and Maintenance Safety
Safety precautions for OCR handling and maintenance.
Receiving, Handling, and Storage
Transportation and Handling
Procedures for safe receiving, handling, and transporting the ACB.
Storage Precautions
Guidelines for proper storage of the ACB.
Installation Guidelines
Specific instructions and precautions for ACB installation.
General ACB Information
Types and Specifications
Overview of ACB models, ratings, and general features.
Parts Identification and Functions
Detailed identification of ACB components and their functions.
Circuit Diagrams and Ratings
Electrical circuit schematics and detailed rating information.
ACB Operation Procedures
Charging and Switching Operations
Step-by-step guide for charging springs and performing open/close operations.
Operation Mechanism Movements
Visual explanation of internal mechanical actions during ACB operation.
Locking and Security Procedures
Instructions for locking buttons and covers for safety and security.
Overcurrent Release (OCR)
OCR Specifications and Characteristics
Detailed specs, features, and operational characteristics of the OCR.
OCR Setting and Adjustment
Procedures for setting and adjusting OCR parameters.
OCR Operation Indicators
How to interpret LED indicators and output signals for OCR status.
Maintenance and Parts Replacement
Inspection Procedures
Comprehensive guide for inspecting the ACB's condition and functionality.
Preparation for Parts Replacement
Essential safety and preparation steps before replacing parts.
Arc Chamber Replacement
Procedure for replacing arc chambers.
Latch Release Coil (LRC) Replacement
Procedure for replacing the LRC.
Shunt Trip Device (SHT) Replacement
Procedure for replacing the SHT.
Control Relay Replacement
Procedure for replacing the control relay.
Magnet Hold Trigger (MHT) Replacement
Procedure for replacing the MHT.
Auxiliary Switch Replacement
Procedure for replacing auxiliary switches.
Troubleshooting Flowcharts
Charging Impossible Troubleshooting
Flowchart for diagnosing and resolving ACB charging failures.
Opening Impossible Troubleshooting
Flowchart for diagnosing and resolving ACB opening failures.
Closing Impossible Troubleshooting
Flowchart for diagnosing and resolving ACB closing failures.
Overheat Troubleshooting
Flowchart for identifying causes and solutions for ACB overheating.
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