Rockwell Automation Publication 750-UM006C-EN-P - March 2022
153
Drive Maintenance
Chapter 5
7. Unpack and inspect the new brake contactor.
8. Attach the brake contactor to the DIN rail.
9. Use a
flathead screwdriver
to tighten the two screws on the end
anchors.
Torque screws to
4.4 lb•in
.
10. Use the
flathead screwdriver
to connect the
wires/terminals
to the
brake contactor according to the table in
Torque screws to
15 lb•in.
11. Follow the instructions to
Attach the Front Cover on page 169
Replace the Main Circuit
Breaker (1CB030)
1. Follow the procedure to
Remove the Front Cover on page 148
.
3. Use a
#5 hex key
to remove the wires from the input and output side of
the main circuit breaker.
Circuit Breaker Description
Catalog Number
400/480V AC main power
140G-G6C3-C30-AJ
Rotary disconnect with door handle
140G-G-RVM12R
Wire Description
Terminal Number
1CB030-L1
L1
1CB030-L2
L2
1CB030-L3
L3
1CB030-T1 (from 1EA030-R/L1)
T1
1CB030-T1 (from 1CB250-1)
(1)
(1) Only applicable to Brake option 'SB'
T1
1CB030-T2 (from 1EA030-S/L2)
T2
1CB030-T2 (from 1CB250-5)
T2
1CB030-T3 (from 1EA030-T/L3)
T3
TB2-4
Connect 21 to TB2-4 Load side
1CB250-13
Connect 24 to 1CB250-13
5CB130-11
(2)
(2) Only applicable to Brake option 'B2' and 'B3'
Connect 24 to 5CB130-11
