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Rockwell Automation Publication 23PFC-IN002A-EN-P - November 2018
PowerFlex DC Field Controller Overvoltage Protection Device
Wire the Voltage Clamp
Use the information in this section and the System Wiring Diagram on page
2
to wire the power and ground (PE) connections on the voltage clamp.
Voltage Clamp Power, Ground, and Thermostat Terminal Identification
Wire the Dampening Resistor
Use the information in this table and the System Wiring Diagram on page
2
to wire the dampening resistor.
Voltage Clamp Power and Ground (PE) Terminal Specifications
Terminal
Description
Wire Size
Cat. No.
Terminal Bolt Size
Recommended
Torque
C, D
DC Power connections
Same as the connected
PowerFlex DC field controller.
23P-FCOVPD-B-FA,
23P-FCOVPD-D-FA
M6
7 N•m (62 lb•in)
23P-FCOVPD-B-FB,
23P-FCOVPD-D-FB
M10
25 N•m (221.2 lb•in)
PE
Safety ground
All
M8
15 N•m (132.7 lb•in)
Voltage Clamp Thermostat Terminal Block and Wire Specifications
Terminal
Wire Size
Recommended Torque
Flexible / Multi-core
(mm
2
)
AWG
1
0.14…1.5
26…14
0.5 N•m (4.4 lb•in)
2
Dampening Resistor Terminal Block and Wire Specifications
Terminals
Description
Wire Size
Wire Strip Length
Minimum Wire Insulation
Rating
Recommended Terminal
Torque
Power connection from voltage clamp terminals C and D. 14 AWG
2.5 mm
2
12 mm (0.5 in.)
600V, 80 °C (176 °F)
1.5…1.8 N•m (0.6…0.7
lb•in)
C
D
PE
Thermostat Terminal
Block (TB1)
