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GE MVAX 11

GE MVAX 11
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GE
Grid Solutions
MVAX
11, 12, 21, 31, 91
Technical Manual
Trip Circuit Supervision Relay
Publication reference: R8010RB

Table of Contents

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GE MVAX 11 Specifications

General IconGeneral
Frequency Range50Hz to 60Hz
Protection FunctionsOvercurrent, Overvoltage, Undervoltage, Frequency, Directional Overcurrent
CommunicationRS485, Ethernet, Modbus
Current Range1 - 12 A
Operating Temperature-20 to +70°C

Summary

Safety Section

Introduction and Health Safety

Standard Safety Statements and Labels

Details on safety statements and external equipment label markings.

Equipment Symbols and Labels

Understanding Safety Symbols

Defines cautionary symbols for equipment documentation and electric shock risks.

Installation, Commissioning, Servicing

Equipment Connections

Guidelines for making correct and safe electrical connections.

Protection Class I Equipment

Requirements for earthing and protection class I equipment.

Terminal Safety and Equipment Use

Standards and Recognition

Information on UL and CSA listed or recognized equipment requirements.

Circuit Handling and Testing

Installation Procedures

General Installation Guidelines

Covers unpacking, storage, and relay mounting best practices.

Commissioning Procedures

Initial Commissioning Steps

Includes general checks, wiring, insulation, and MVAX 11/12 checks.

MVAX 21, 31, 91 Commissioning

Electrical Operation Tests

Tests to verify the electrical functionality of the relays.

MVAX 21 Operation Tests

MVAX 31 (MVAX 91) Operation Tests

MVAX 31 04 Operation Tests

MVAX 31 with CCT Inhibitor Tests

Maintenance and Mechanical Settings

General Mechanical Settings

Covers armature gap, contact pressure, and state definitions.

Contact and Flag Settings

Problem Analysis and Troubleshooting

Failure to Operate or Reset

Troubleshooting steps for relays failing to operate or reset.

Output Contact and Reset Time Issues

Diagnosing problems with output contacts and reset times.

Spares and Repairs

Commissioning Test Record

MVAX 11 and 12 Test Results

Recording test results for MVAX 11 and MVAX 12 relays.

MVAX 21 and 31 Test Results

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