150
Rockwell Automation Publication 750-UM006C-EN-P - March 2022
Chapter 5
Drive Maintenance
Replace the Surge
Suppressor AC Source Brake
(1SUP270)
1. Follow the procedure to
2. Follow the instructions to
Remove the Front Cover on page 148
.
3. Use a
Phillips screwdriver
to disconnect wires
T1 and T2
from the
brake contactor.
4. Use a
T20 torque bit
to
remove the two torque screws that hold the
surge suppressor in place.
5. Remove the surge suppressor.
6. Unpack and inspect the new surge suppressor AC source brake.
7. Connect the wires to terminals
T1 and T2
on the brake contactor.
Torque screws to
15
lb•in.
8. Use the two existing screws and the
T20 torque bit
to secure the surge
suppressor to the enclosure
.
Torque screws to
15
lb•in
.
Attach the Front Cover on page 169
TIP
The AC source brake surge suppressor is only available in the 400/480V AC
source brake option. It is not available in the 24V DC brake option.
Contactor
Surge Supressor AC
Source Brake (1SUP270)
