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EATON CORPORATION www.eaton.com
Instruction Leaflet IL 33-LGH-3
Effective September 2010
Digitrip Retrofit System for the ITE
LG-3000 (Frameless) Circuit Breaker
Step 1:
General Breaker Preparation
Before attempting to remove the Breaker from the
cell or perform any Retrofit Operation, be sure to
read and understand the Safety Precautions
section of this manual. In addition, be sure to
read and understand the Instructions for the
Application of Digitrip RMS Retrofit Kits on Power
Circuit Breakers (Retrofit Application Data -
Publication AD 33-855), supplied with the
Digitrip Retrofit Kit.
DO NOT ATTEMPT TO INSTALL OR PERFORM
MAINTENANCE ON EQUIPMENT WHILE IT IS
ENERGIZED. SEVERE PERSONAL INJURY OR
DEATH CAN RESULT FROM CONTACT WITH
ENERGIZED EQUIPMENT. VERIFY THAT NO
VOLTAGE IS PRESENT BEFORE PROCEEDING.
A. Trip the Breaker and remove it from the Cell.
Move the Breaker to a clean, well-lit work area.
NOTE:
It is the responsibility of the Retrofitter to
insure that the Breaker and all original
components are in good condition. Visually inspect
all Breaker components for signs of damage or
wear. If any signs of damage or wear are detected
for components not included in the Retrofit Kit,
secure the necessary replacement parts before
beginning the Retrofit Process.
The force necessary to trip the Breaker should
not exceed 7.5 lbs.
To begin the Retrofit Process, refer to the compo-
nents list at the end of this manual. Lay out the
components and hardware according to the steps
outlined. The components and hardware will be
used to complete each step in the Retrofit Process.
Step 2:
Removing the Original Components
Follow the ITE LG-3000 (Frameless) Instruction
Manual, originally supplied with the Breaker, to
perform the following procedure.
A. Remove and scrap the original mechanical trip
units and all associated mounting hardware.
WARNING
