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6
Instruction Leaflet
IL29C203J
Installation Instructions for Motor Operator for
L-Frame and MDL-Frame Circuit Breakers and
Molded Case Switches
EATON CORPORATION
www.eaton.com
3-0 OPERATION
The following procedures describe the operation of the
electrical operator and addresses electrical operation,
The motor operator does not permit a breaker handle to
indicate its “TRIP” position. If it is desirable that the trip
position be indicated either of the following two methods
may be incorporated:
1. The breaker may be equipped with bell alarm con-
tacts which “MAKE” or “BREAK” upon automatic trip
operation. Contacts may be wired to an external light or
other indicating device to then indicate trip.
MAKE SURE THAT ALL SENSITIVE EQUIPMENT
CONNECTED TO THE LOAD SIDE OF THE CIRCUIT
BREAKER IS DISCONNECTED BEFORE OPERAT-
ING THE MOTOR OPERATOR. SWITCHING OPERA-
TIONS COULD CAUSE DAMAGE TO EQUIPMENT -
ESPECIALLY EQUIPMENT REQUIRING A CON-
TROLLED SHUTDOWN.
!
CAUTION
DO NOT EXCEED THE DUTY CYCLE OF “OFF” TO
“ON” TO “OFF” AT ONE PER MINUTE. EXCEEDING
THE MAXIMUM OPERATING RATE CAN DAMAGE
THE MOTOR OPERATOR.
DO NOT CONNECT THE MOTOR OPERATOR TO
VOLTAGES ABOVE THE RATED VOLTAGE OF THE
DEVICE. VOLTAGES THAT EXCEED THE RATED
VOLTAGE CAN CAUSE DAMAGE.
Electrical Operation
To check the electrical operation use the remote
momentary “ON” and “OFF” control devices, and per-
form the following steps: (refer to Fig. 2-2)
3-1. Pull up on the setting pin and slide the locking arm
(white line) to the Electrical Operation mode. (Figures
3-1 and 3-2)
3-2. Energizing the “OFF” pushbutton will cause the
breaker to go to its “OFF” position.
3-3. Energizing the “ON” pushbutton will cause the
breaker go to its “ON” position.
3-4. Press the “PUSH-TO-TRIP” button (see Figure
3-1); verify that the breaker trips. Energizing the “OFF”
button, motor operator will “RESET” the breaker.
Figure 2-1 Motor Operator Kit