ABB Emax E3 - User Manual

Emax
Installation, service and maintenance
instructions for low voltage air
circuit-breakers
Installation and
service instructions
1SDH000460R0002 L6555

Summary

4. Installation Procedures

4.1 Installation Room Requirements

Specifies environmental conditions and safety for the installation location.

4.2 Fixed Circuit-Breaker Installation

Provides instructions for securely mounting the fixed circuit-breaker.

4.3 Withdrawable Part Installation

Steps for installing the fixed part of a withdrawable circuit-breaker unit.

5. Electrical Connections

5.1 Power Circuit Connections

Guidelines for connecting the circuit-breaker to the main power circuit.

6. Putting Into Service

6.1 General Procedures

Pre-commissioning checks and essential steps before operation.

7. Instructions for Use

7.1 Operating & Signalling Parts

Identifies front panel controls, indicators, and their functions.

7.2 Closing & Opening Procedures

c) Closing the Circuit-Breaker

Step-by-step guide for closing the circuit-breaker.

d) Opening the Circuit-Breaker

Step-by-step guide for opening the circuit-breaker.

7.3 Racking-In;Out Operation

Racking Positions

a) Disconnected Position

Moving the circuit-breaker to the disconnected state.

b) To Test Isolated Position

Transitioning the circuit-breaker to the test isolated state.

c) To Connected Position

Transitioning the circuit-breaker to the connected state.

d) Reverse Transition

Moving from connected back to test isolated or disconnected.

8. Maintenance Introduction

8.1 Maintenance Warnings

Crucial safety precautions to follow before performing maintenance.

8.2 Maintenance Programme

Overview of maintenance intervals and switch life expectations.

8.3 First Level Maintenance

8.3.2 Checks & General Cleaning

Procedures for cleaning and inspecting the circuit-breaker.

8.3.7 Protection Releases Check

8.4 Second Level Maintenance

8.4.2 General Checks & Cleaning

8.4.7 Checking Contact Wear

8.4.8 Protection Releases Verification

9. Operating Anomaly Measures

10. Accessories

10.1 Electrical Accessories

10.2 Mechanical Locks

Interlock Between Circuit-Breakers

11. Protection Releases - General Notes

11.1 Safety Notes

Crucial safety warnings related to protection release operations.

12. SACE PR121;P Relay

12.1 Relay Identification

12.2 Relay Specifications

12.2 Specifications & Characteristics

12.2.5 Electrical Characteristics

12.3 User Interface

12.3.1 Dip Switch Settings

12.3.2 LED Indicators

12.3.3 Rating Plug Functionality

12.3.4 iTest Button Usage

12.4 Protection Functions

12.4.1 Protection L Details

12.4 Protection Functions Details

12.4.2 Protection S

12.4.5 Neutral Protection

12.4.6 Instantaneous Short-Circuit Protection

12.4.7 Protection Summary Table

12.5 Main Functions

12.5.1 Measurement Function

12.5.2 Self-Monitoring Features

12.6 Commissioning & Settings

12.6.1 Installation & Connections

12.6.3 CS & TC Connection Check

12.7 Parameter & Default Settings

12.8 Troubleshooting

12.8.1 Troubleshooting Table

A table listing common faults, possible causes, and suggested solutions.

12.8.2 Handling Faults

Procedures for responding to relay malfunctions or unexpected trips.

12.9 External Units Overview

12.9.1-12.9.5 Unit Descriptions

13. Overall Dimensions

Fixed Circuit-Breaker Dimensions

Withdrawable Circuit-Breaker Dimensions

14. Circuit Diagrams

WARNING for Circuit Diagrams

Safety warning before consulting circuit diagrams.

Circuit Diagram Captions

Circuit Diagram Symbols

Motor & Release Circuit Diagrams

Auxiliary Circuits & Measuring Module Diagrams

Communication & Signalling Module Diagrams

ABB Emax E3 Specifications

General

Brand	ABB
Model	Emax E3
Category	Power Tool
Language	English