2
Instruction Leaflet
IL29C203J
Installation Instructions for Motor Operator for
L-Frame and MDL-Frame Circuit Breakers and
Molded Case Switches
EATON C ORPORTION
www.eaton.com
CONTACT WITH ENERGIZED EQUIPMENT CAN
RESULT IN DEATH, SEVERE PERSONAL INJURY,
OR SUBSTANTIAL PROPERTY DAMAGE. DO NOT
ATTEMPT TO INSTALL OR PERFORM MAINTE-
NANCE ON EQUIPMENT WHILE IT IS ENERGIZED.
ALWAYS VERIFY THAT NO VOLTAGE IS PRESENT
BEFORE PROCEEDING WITH THE TASK, AND
ALWAYS FOLLOW GENERALLY ACCEPTED SAFE-
TY PROCEDURES. EATON IS NOT LIABLE FOR THE
MISAPPLICATION OF ITS PRODUCTS.
The user is cautioned to observe all recommendations,
warnings, and cautions relating to the safety of person-
nel and equipment as well as all general and local
health and safety laws, codes, and procedures.
The recommendations and information contained herein
are based on Eaton experience and judgement, but
should not be considered to be all-inclusive or covering
every application or circumstance which may arise. If any
question arise, contact Eaton for further information or
instructions.
1-0 INTRODUCTION
The motor operator (Figure 1-1) allows the circuit break-
er to be opened, closed, or reset remotely. It has the
is removed.
The motor operator mechanism is driven by a reversible
electric motor connected to a ball screw. The ball screw
drives the circuit breaker handle. Limit switches are
used to control the motor.
2-0 INSTALLATION
The motor operator is
UL listed and suitable for field
Figure 1-1 Motor Operator Installed on L-Frame Series C
Circuit Breaker
!
WARNING
If the motor operator is to be installed on an OPTIM
breaker, an OPTIM Connector Kit, Catalog Number
OPEOPCK, should be ordered to allow the Optimizer to
be connected on the face of the operator. The kit
includes a connector socket and an extension cable to
the trip unit port.
The motor operator is normally supplied as a separate
item for mounting on an uninstalled circuit breaker. If a
motor operator is to be mounted on an installed circuit
breaker, all power must be removed from the circuit
breaker before proceeding to mount the motor operator.
!
WARNING
installation on L & MDL-frame circuit breakers and
molded case switches under UL File E64124.
BEFORE MOUNTING A MOTOR OPERATOR ON A
CIRCUIT BREAKER INSTALLED IN AN ELECTRICAL
SYSTEM, MAKE SURE THE CIRCUIT BREAKER IS
SWITCHED TO THE OFF POSITION AND THAT
THERE IS NO VOLTAGE PRESENT WHERE WORK
IS TO BE PERFORMED. SPECIAL ATTENTION
