Larsen & Toubro U-POWER Omega UW-MTX 2.5G User Manual

Copyright © 03/2019 Larsen & Toubro. All Rights Reserved.
Air Circuit Breakers
System of
USERS’
Manual
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400 / 440 V
660 / 690 V
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50 kA 3.0 s
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Larsen & Toubro U-POWER Omega UW-MTX 2.5G Specifications

General

Brand	Larsen & Toubro
Model	U-POWER Omega UW-MTX 2.5G
Category	Circuit breakers
Language	English

Summary

On Receiving

Visual Inspection

Inspect the carton for any damage. Verify breaker version and rating on the carton.

Unpacking

Procedures for removing fixed and draw-out breakers from their packaging.

Handling

Guidelines for safely lifting and transporting fixed and draw-out breakers.

Storage

Instructions for storing breakers in a cool, dry place, away from dust.

Understanding

Identification

Details on identifying breaker components and labels, including type designation and ratings.

Exploring

Description of various breaker components and their functions.

Racking-out

Step-by-step procedure for safely racking out draw-out type breakers.

Operating

Instructions on how to operate the breaker, including charging and switching actions.

Technical Data

Comprehensive technical specifications and parameters for the ACB series.

Installing

Mounting & Door cut-out

Guidance on mounting breakers in panels and required door cut-out dimensions.

Termination

Details on termination methods for fixed and draw-out ACBs.

Loading in Panel

Procedure for loading the breaker into the panel, ensuring correct connection.

Control circuit connections

Information on wiring control circuits and using SICs for connections.

External Neutral CT

Installation of Phase Barriers

Control Termination

Connection Details (UW-MTX 1.0)

Wiring diagram for UW-MTX 1.0 series breakers.

Connection Details (UW-MTX 1G)

Wiring diagram for UW-MTX 1G series breakers.

Connection Details (UW-MTX 1.5G)

Wiring diagram for UW-MTX 1.5G series breakers.

Connection Details (UW-MTX 1Gi / 1.5Gi)

Wiring diagram for UW-MTX 1Gi / 1.5Gi series breakers.

Connection Details (UW-MTX 2.5)

Wiring diagram for UW-MTX 2.5 series breakers.

Connection Details (UW-MTX 2.5G)

Wiring diagram for UW-MTX 2.5G series breakers.

Connection Details (UW-MTX 3.5)

Wiring diagram for UW-MTX 3.5 series breakers.

Connection Details (UW-MTX 3.5EC/3.5H)

Wiring diagram for UW-MTX 3.5EC/3.5H series breakers.

Accessories: Features & Mounting

Cradle Mounted Accessories

Details on accessories that mount onto the breaker cradle, like safety shutters and interlocks.

Breaker Mounted Accessories

Description of accessories mounted directly onto the breaker, such as contact blocks and releases.

Protection & Control units

Identification

Visual identification of different UW-MTX breaker protection and control unit models.

Protection Characteristics

Detailed overview of protection settings and characteristics for various UW-MTX models.

Feature List

Putting System Of Breakers in Operation

Re-loading in panel

Procedure for re-loading the breaker into the panel after maintenance.

Checking ON-OFF Operation

Steps to verify the breaker's ON and OFF operational functions.

Testing (Control circuit & Interlocks)

Guidance on testing control circuits and interlocks with breaker accessories.

Configuring P&C Unit

Configuration steps for the Protection & Control unit settings.

Trip Simulation of P & C Unit

Using the Trip Simulation Kit for testing breaker release functions.

U-POWER Omega ACBs in Connected Position

Procedure for ensuring ACBs are correctly seated in the connected position.

Securing your Breaker

Features and methods for securing the breaker to prevent unauthorized access.

Maintenance & Operations

Maintenance Schedule & Operations

Routine and specific maintenance tasks for Omega ACBs.

Accessories and Spares

List of available accessories and spare parts with their catalog numbers.

Useful Hints