68 Eaton 93PM UPS 480V Three-Wire – 100 kW Frame Installation and Operation Manual 164000227—Rev 07
Figure 34. REPO Switch
EMERGENCY POWER OFF
FOR
UPS SYSTEM
REPO Switch
(Front View)
Contact Block
(Back View, Faceplate Removed)
11. Route the REPO wiring through the bottom interface entry conduit landing plate to the bottom access
interface wiring channel along the inside of the front door.
12. Route the wiring along the interface wiring channel to the REPO terminals. See Figure 22 and Figure 23 for
UPS interface terminal locations.
13. Secure the wiring to the wire tie anchors provided (see Figure 25) using Zip ties.
14. Connect the REPO wiring as shown in Table 18 and Figure 36 for a normally-open REPO, or Table 19 and
Figure 37 for a normally-closed REPO. See paragraph 3.2.4 UPS System Interface Wiring Preparation for
wiring and termination requirements, and Figure 35 for terminal assignments.
15. If using a normally-closed REPO switch, connect a jumper wire between pins 3 and 4 on the REPO
terminal block.
16. If you are installing multiple REPO switches, wire additional switches in parallel with the first REPO.
17. 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 34). The REPO switch
wiring must be in accordance with NEC Article 725 Class 2 requirements.
18. Close the UPS outside door and secure the latch.
UPS System Installation
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