48 Eaton 93E UPS (20–30 kVA, 208/220V) Installation and Operation Manual 164000301—Rev 04
k. Install the power terminal cover right and left sides using the provided hardware.
5. Connect the wiring as shown in Table 14 and Figure 26 for a normally-open REPO or Table 15 and
Figure 27 for a normally-closed REPO.
6. If using a normally-closed REPO switch, connect a jumper wire between pins 3 and 4 on the REPO
terminal block.
7. If you are installing multiple REPO switches, wire additional switches in parallel with the first REPO.
8. If required, install wiring from the REPO switch to the trip circuitry of the upstream protective devices. A
second contact block is provided on the REPO switch for this function (see Figure 24). The REPO switch
wiring must be in accordance with NEC Article 725 Class 2 requirements.
9. Reinstall the interface terminal cover using the retained hardware.
Table 14. Normally-Open REPO Wire Terminations
From REPO Station(s) Switch
Contact Block (Either Block)
To REPO Terminal Block on
Back of UPS Cabinet Wire Size
Tightening Torque
3 NO
3
Twisted Wires (2)
14-22 AWG
(0.75 4.0 mm
2
)
7 lb in
(0.8 Nm)
4 NO
4
Figure 26. Normally-Open REPO Switch Wiring
3
1
2
4
3
4
REPO
Switch
(NO)
Twisted
Wires
REPO TB
Table 15. Normally-Closed REPO Wire Terminations
From REPO Station(s) Switch
Contact Block (Either Block)
To REPO Terminal Block on
Back of UPS Cabinet Wire Size
Tightening Torque
3 NO
1
Twisted Wires (2)
14-22 AWG
(0.75 4.0 mm
2
)
7 lb in
(0.8 Nm)
4 NO
2
UPS System Installation
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