UPS System Installation
4-32
Eaton 93PM UPS (20–50 kW, 480V Four Wire – 50 kW Frame) Installation and Operation Manual P-164000540—Rev 4
www.eaton.com/powerquality
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
From REPO Station
Switch Contact
Block
(Either Block)
UPS REPO
Terminal
Name
Description
Recommended
Minimum Wire
Size
Size of Wire
Termination
Tightening
Torque
3 NO
3
EPO_A
Input: Normally-open dry contact used to activate
UPS EPO from a remote switch
Twisted Pair Wires
#18 AWG
#16
30 AWG
2 lb in
(0.22-0.25 Nm)
4 NO
4
EPO_B
3
1
2
4
3
4
REPO
Switch
(NO)
Twisted
Wires
REPO TB
NOTE
REPO switch rating is 24 Vdc, 1A minimum.
NOTE
The REPO switch must be a latching-type switch not tied to any other circuits.
Table 4-8. Normally-Closed REPO Connections and Wire Terminations
From REPO Station
Switch Contact
Block
(Either Block)
UPS REPO
Terminal
Name
Description
Recommended
Minimum Wire
Size
Size of Wire
Termination
Tightening
Torque
3 NO
1
EPO_A_B Input: Normally-closed dry contact used to activate
UPS EPO from a remote switch
Twisted Pair Wires
#18 AWG
#16
30 AWG
2 lb in
(0.22-0.25 Nm)
4 NO
2
GND-ISO
3
1
2
4
1
2
REPO
Switch
(NC)
Twisted
Wires
REPO TB
NOTE
REPO switch rating is 24 Vdc, 1A minimum.
NOTE
The REPO switch must be a latching-type switch not tied to any other circuits.
Summary of Contents for 93PM UPS
Page 1: ...Eaton 93PM UPS 20 50 kW 480V Four Wire 50 kW Frame Installation and Operation Manual...
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Page 3: ...Eaton 93PM UPS 20 50 kW 480V Four Wire 50 kW Frame Installation and Operation Manual...
Page 25: ...Section 1 Installation...
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Page 87: ...Section 2 Operation...
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Page 146: ...P 164000540 4 P 164000540 4...