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GE MicroVersaTrip Plus User Manual

GE MicroVersaTrip Plus
52 pages
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MicroVersaTrip Plus™ and
MicroVersaTrip PM™ Trip Units
for Type AKR Low-Voltage Power Circuit Breakers
Power Break
® Insulated-Case Circuit Breakers
Power Break
® II Insulated-Case Circuit Breakers
R-Frame Molded-Case Circuit Breakers
Low-Voltage Power Circuit Breaker Conversion Kits
User’s Guide
GEH–6273E

Table of Contents

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GE MicroVersaTrip Plus Specifications

General IconGeneral
TypeMicroVersaTrip Plus
Frame TypeMolded Case
StandardsUL 489, CSA C22.2 No. 5
CategoryCircuit breakers
Frame SizeVarious
Interrupting Capacity10kA
Trip Unit TypeThermal-magnetic
FunctionsOvercurrent protection, short-circuit protection

Summary

Chapter 1 Introduction

Read This First

Provides initial instructions and warnings for product use.

Product Structure

Details the physical components and differences between MicroVersaTrip Plus and PM Trip Units.

Trip Unit Functions

Lists standard and optional protection, metering, and communication functions available on the trip units.

Trip Unit Catalog Numbers

Explains the system for assigning catalog numbers based on configuration and features.

Rating Plugs

Equipment Interfaces

Covers connections for zone-selective interlock, neutral sensors, communication networks, and voltage inputs.

Power Requirements

Outlines the power sources needed for Trip Unit operation, including battery and external power.

Trip Unit Information

Explains labels on the Trip Unit and the function of its keys.

Liquid Crystal Display

Illustrates the LCD segments and their function in displaying various information.

Trip Unit Accuracies

Details the expected performance accuracy and resolutions for metering and setup modes.

Chapter 2 Setup Mode

Overview and Operating Modes

Introduces setup procedures and describes the three operating modes: Setup, Metering, and Status.

Setup Mode Operation

Details the procedures for configuring Trip Unit protection and delay settings.

Long-Time Pickup and Delay Settings

Configures the long-time overcurrent pickup and its associated time delay.

Short-Time Pickup and Delay

Sets the current level and time delay for short-time overcurrent protection.

Instantaneous and Ground-Fault Protection Settings

Instantaneous and High-Range Overcurrent Protection

Configures immediate overcurrent trip settings and fixed high-range instantaneous protection.

Ground-Fault Pickup and Delay

Sets the pickup current and time delay for ground-fault protection.

Unbalance Relay Settings

Configures settings for voltage and current unbalance relay pickup and delay.

Undervoltage and Overvoltage Relay Settings

Sets pickup and delay parameters for undervoltage and overvoltage protection.

Power and System Settings

Power-Related Protection Settings

Configures power reversal pickup, power direction, and power-reversal delay.

Rating Plug and Voltage Settings

Sets the rating plug current and potential transformer primary voltage.

Transformer Connection

Selects the appropriate potential transformer connection type.

Demand and Communication Settings

Sets power demand intervals and communication address for external systems.

Accessory Configuration

Accessory Configuration Setup

Configures integrated accessories using DIP switches on RMS9D series units.

Chapter 3 Metering Mode

Metering Mode Overview and Operation

Introduces the chapter and explains how to access metering displays for electrical parameters.

Metering Parameter Displays

Details displays for current, voltage, energy, real power, apparent power, demand, and frequency.

Chapter 4 Status Mode

Overview and Operation

Introduces the chapter and explains how to view status, trip information, and operation counters.

Status Displays

Covers normal status, pickup indicators, trip targets, fault displays, and relay trip status.

Trip Information and Counter Management

Details clearing trip information and viewing trip operation counters.

Chapter 5 Maintenance and Trouble-Shooting

Trip Unit Removal and Replacement

Provides procedures for safely removing and installing Trip Units in various breaker types.

Rating Plug Removal and Replacement

Details the process for removing and replacing interchangeable rating plugs.

Trouble-Shooting Guide

Offers guidance for diagnosing and resolving common problems with the Trip Unit.

Appendix 1 AKR Circuit Breaker Catalog Numbers

Appendix 2 Power Break Circuit Breaker Catalog Numbers

Appendix 3 Power Break II Circuit Breaker Catalog Numbers

Appendix 4 Trip Unit Battery Suppliers

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