Figure 4-26. Normally-Open Repo Switch Wiring; Figure 4-27. Normally-Closed Repo Switch Wiring; Table 4-7. Normally-Open Repo Connections And Wire Terminations; Table 4-8. Normally-Closed Repo Connections And Wire Terminations - Eaton 93PM UPS Installation And Operation Manual

UPS System Installation

Table 4-7. Normally-Open REPO Connections and Wire Terminations

From REPO Station
Switch Contact
Block UPS REPO
(Either Block) Terminal
3 NO 3
4 NO 4
REPO
Switch
(NO)
NOTE
NOTE

Figure 4-26. Normally-Open REPO Switch Wiring

Table 4-8. Normally-Closed REPO Connections and Wire Terminations

From REPO Station
Switch Contact
Block UPS REPO
(Either Block) Terminal
3 NO 1
4 NO 2
REPO
Switch
(NC)
NOTE
NOTE

Figure 4-27. Normally-Closed REPO Switch Wiring

4-32 Eaton 93PM UPS (20–50 kW, 480V Four Wire – 50 kW Frame) Installation and Operation Manual P-164000540—Rev 4
Name Description
EPO_A
Input: Normally-open dry contact used to activate
UPS EPO from a remote switch
EPO_B
3
Twisted
Wires
4
REPO switch rating is 24 Vdc, 1A minimum.
The REPO switch must be a latching-type switch not tied to any other circuits.
Name Description
EPO_A_B Input: Normally-closed dry contact used to activate
UPS EPO from a remote switch
GND-ISO
1
Twisted
Wires
2
REPO switch rating is 24 Vdc, 1A minimum.
The REPO switch must be a latching-type switch not tied to any other circuits.
Recommended
Minimum Wire
Size
Twisted Pair Wires
#18 AWG
1
2
REPO TB
3
4
Recommended
Minimum Wire
Size
Twisted Pair Wires
#18 AWG
1
2
REPO TB
3
4
Size of Wire Tightening
Termination Torque
2 lb in
#1630 AWG
(0.22-0.25 Nm)
Size of Wire Tightening
Termination Torque
2 lb in
#1630 AWG
(0.22-0.25 Nm)
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