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Ormazabal cgm.3 Series

Ormazabal cgm.3 Series
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LIB
cgm.3 system
medium voltage SF
6
gas-insulated cubicles up to 38 kV
according to IEEE and CSA standards
General instructions
IG-183-EN, version 06, 31/03/2020

Table of Contents

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Ormazabal cgm.3 Series Specifications

General IconGeneral
Rated current630 A
Short-circuit currentUp to 25 kA
InsulationSF6 gas
TypeGas-insulated switchgear
GasSF6
Insulation mediumSF6 gas
StandardsIEC 62271-200
Operating mechanismSpring-operated mechanism
ApplicationSecondary distribution

Summary

Product Description and Characteristics

Transport and Storage Guidelines

Lifting and Handling Methods

Procedures for lifting cubicles using forklifts, slings, or rollers.

Installation Procedures

Equipment Unpacking

Step-by-step procedure for safely unpacking the cgm.3 system cubicles.

Civil Engineering and Cable Trenches

Specifies minimum installation distances and cable trench dimensions.

Floor Fastening and Grounding

Explains methods for securing cubicles to the floor and grounding.

Cubicle Connection

Details how to join cubicles together using specific kits.

Cable Connection

Information on connecting incoming/outgoing feeders and bushings.

Operational Sequences

Pre-Operation Checks

Steps to verify voltage presence and phase balance using a comparator.

Fuse Replacement Sequence

Instructions for replacing fuses, including automatic switch-disconnector opening.

Safety Features and Maintenance

Interlocks and Locking Mechanisms

Details safety locks preventing simultaneous operation of switches and access to compartments.

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