GE Industrial Solutions EntelliGuard E Circuit Breaker User Manual

Page 3

Table of Contents

SECTION 1 – GENERAL INFORMATION ......................................................................................................................................................................................6

STORAGE ...........................................................................................................................................................................................................................................6

Introduction .....................................................................................................................................................................................................................................6

Quality Assurance ....................................................................................................................................................................................................................6

Product Serial Number ..........................................................................................................................................................................................................6

Measurement Units .................................................................................................................................................................................................................6

PRODUCT DESCRIPTION .............................................................................................................................................................................................................6

HAND TOOLS NEEDED FOR INSTALLATION .......................................................................................................................................................................6

Table 1.1. Required Hand Tools .........................................................................................................................................................................................6

...............................................................................................................................................................................................................................................................7

Figure 1.1. EntelliGuard E Power Circuit Breaker Features and Characteristics .............................................................................................7

Figure 1.2. EntelliGuard E Power Circuit Breaker Label ...............................................................................................................................................7

SECTION 2 – PRODUCT SPECIFICATIONS .................................................................................................................................................................................8

Table 2.1. Environmental Conditions ...................................................................................................................................................................................8

Table 2.2. EntelliGuard E Short Circuit and Interrupting Ratings: ANSI/UL1066 ..............................................................................................8

Table 2.3. Agency Certification ...............................................................................................................................................................................................8

Table 2.4. Product Dimensions and Weights ...................................................................................................................................................................8

SECTION 3 – LIFTING, MOUNTING AND INSTALLATION.....................................................................................................................................................9

CIRCUIT BREAKER UNPACKING (Fig. 3.1) .............................................................................................................................................................................9

BASIC CIRCUIT BREAKER CONSTRUCTION .........................................................................................................................................................................9

Circuit Breaker Removal from the Cassette ............................................................................................................................................................. 11

TRIP UNIT ........................................................................................................................................................................................................................................ 12

General Information ............................................................................................................................................................................................................ 12

Trip Unit Installation ............................................................................................................................................................................................................. 12

WIRING ............................................................................................................................................................................................................................................ 13

Table 3.1. Wiring Schematic for Block-A .................................................................................................................................................................... 13

Table 3.2. Wiring Schematic Nomenclature Definitions ..................................................................................................................................... 13

SECONDARY DISCONNECT BLOCKS ................................................................................................................................................................................... 15

SECTION 4 – OPERATION .................................................................................................................................................................................................... 16

STORED ENERGY MECHANISM KEY FEATURES .............................................................................................................................................................. 16

Circuit Breaker Charging ................................................................................................................................................................................................... 16

Two Step Mechanism Design .......................................................................................................................................................................................... 16

Table 4.1. Stored Energy Mechanism Sequences of Operation ...................................................................................................................... 16

CLOSING SPRING DISCHARGE PROCEDURE ................................................................................................................................................................... 16

Closing procedure ...................................................................................................................................................................................................................... 17