4
Instruction Leaflet
IL01202013EH01
Installation Instructions For EG-DC Circuit Breaker
and Molded Case Switch
EATON CORPORATION www.eaton.com
Figure 6. Cover Screw Installation Positions.
2-5. If not already installed, mount terminals as shown in
(Fig.
7
).
Figure 7. Terminal Installation.
Terminal
Breaker
Collar
T125EF Terminal
WARNING
BEFORE MOUNTING THE CIRCUIT BREAKER IN AN ELECTRICAL SYSTEM,
MAKE SURE THERE IS NO VOLTAGE PRESE NT WHERE WORK IS TO BE
PERFORMED. SPECIAL ATTENTION SHOULD BE PAID TO REVERSE FEED
APPLICATIONS TO ENSURE NO VOLTAGE IS PRESE NT. THE VOLTAGES
IN ENERGIZED EQUIPMENT CAN CAUSE DEATH OR SEVERE PERSONAL
INJ URY.
NOTICE
DEPENDING ON THE EQUIPMENT CONFIGURATION, THE CIRCUIT BREAKER
CAN BE MOUNTED USING DIFFERENT STYLES OF HARDWARE. THE FOL-
LOWING STEPS DESCRIBE HOW TO MOUNT THE CIRCUIT BREAKER USING
STANDARD HARDWARE. WHEN SPECIAL HARDWARE IS NEEDED (FOR
EXAMPLE, WITH THE ELECTRICAL OPERATOR), THE INSTRUCTION LEAFLET
DESCRIBI NG THE ACCESSORY ALSO DESCRIBES THE SPECIAL MOU NTING
ARRANGEMENTS.
2-6. To mount the circuit breaker, perform the following steps:
a. For individual surface mounting, drill mounting panel using the
drilling plan shown in
(Fig. 8)
. For panelboard mounting, only load
end support mounting holes are required. For dead front cover
applications, cut out cover to correct escutcheon dimensions.
Figure 8. Circuit Breaker Mounting Bolt Drilling Plans and Escutcheon
Dimensions.
Torque Required: 10-13 In-lbs (1.1-1.5 Nm)
E125H-DC
68C
3719 H03
Industrial Circuit Breaker
E125H-DC Interrupting Capacity
PUSH TO TRIP
NEMA
Ratings
kA
42
50
65
Poles
In
Series
1
2
3
V
∂
125
250
500
IEC 60947-2
› kA
42
42
fi kA
42
42
Poles
In
Series
1
2
Uimp 6 kV Category A
⁄
V
∂
125
250
Non-standard Interrupting Capacity
2 Poles In Series
300 V
∂
50 kA
2-4. As shown in Figure 6, install secondary cover with screws
(6 screws) and torque as specified in this figure.
