Section 1 - General Information; Storage; Introduction; Quality Assurance - GE EntelliGuard G Installation, Operation And Maintenance Manual

DEH-41304C
13 March 14
SECTION 1 – GENERAL INFORMATION

STORAGE

CAUTION
PRODUCT DAMAGE
 Do not store circuit breaker in corrosive
environments above LC1 (sea salt mist) and G1 as
per ANSI/ISA-S71.04-1985.
 Ensure circuit breakers and cassettes are stored in a
clean, dry location in their original packaging.
Failure to comply with these instructions may result
in product damage.

INTRODUCTION

Quality Assurance

All EntelliGuard G circuit breakers have been designed
and manufactured to the highest technical standards.
Strict procedures ensure first class product quality.

Options Check Sheet

Each circuit breaker comes with a detailed factory-
assembled side label that lists all optional features
included on both the circuit breaker and on the trip unit.

Product Serial Number

Please have the serial number available when
communicating about the circuit breaker. Each circuit
breaker has a unique serial number located on the left
side (viewed from front) of the front fascia.
Table 1.1. Required Hand Tools
Tool Name
Cluster pliers (two pairs, each with a different
gap, are supplied under Cat. No. GUNI)
Screwdriver (8 mm)
Allen wrench (5 mm)
Allen wrench key (4 mm)
Metric feeler gauges
Pozidrive terminal screwdriver
Pozidrive screwdriver (#1 and #3)
Full Set of Metric Hex Allen Wrenches and
Socket Set
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Measurement Units


All data in this document is specified in conventional
metric/SI units.

All internal/external accessory and external
cable/bus bar connections are metric for both IEC
and UL/ANSI versions.

PRODUCT DESCRIPTION

The EntelliGuard G Circuit Breaker is suitable for
application on power systems up to 1000 Vac 50/60 Hz
systems and up to 750 Vdc as a main/source breaker,
feeder breaker, bus coupler or tie breaker. See Section 2
for complete product specifications.
Figure 1.1 shows a front view of the EntelliGuard G. The
indicated features are referenced in this document.

HAND TOOLS NEEDED FOR INSTALLATION

Table 1.1 provides a list of the hand tools required to
install, operate and maintain the EntelliGuard G Circuit
Breaker.
Function
To remove primary contacts for inspection and maintenance.

To operate racking shutter drive.

To remove arc chutes for inspection and maintenance.

To remove or adjust fixed and moving arcing contacts.
 To remove mechanism.
To remove motor and gearbox mounting screws.
To check and adjust arcing contact gaps.

To remove mechanical and electronic component mounting screws.

To connect wiring to secondary isolating contact terminals.

To remove front cover mounting screws.

To remove Rogowski coil and Power current transformer cover plate at the
rear of the circuit breaker moving portion.

To remove PMU base, auxiliary switch assembly, etc.
EntelliGuard® G Circuit Breaker
Section 1 – General Information
7