Site Preparation (UPS and XR) – Operating Environment
22 AIS® 3000 10-30kVA, 208V, Site Preparation and Installation Manual – 990-1957
Recommended phase-conductor sizes [AWG] for a 86°F (30°C) temperature
environment
)
EPO switch wiring
The UPS must be connected to either a dry contact or a 24VDC Emergency Power Off (EPO) switch.
UPS/AWG sizes Mains input
[AWG]
AC output
[AWG]
DC input
[AWG], 75°C Wire
10kVA 8 8 1
15kVA 6 6 1
20kVA 4 4 1
30kVA 1 1 1
Use Molex lug type or equivalent, and crimp to manufacturer’s specifications.
Cable Size
[AWG]
Cable Lug Type Crimping Tool Die Terminal Bolt
Diameter
12 YA12CL2TC38 MD7-34R W12CVT 0.2in/6mm
8 YA8CL2TC38 MD7-34R W8CVT 0.2in/6mm
6 YA6CL2TC38 MD7-34R W5CVT 0.2in/6mm
4 YA4CL2TC38 MD7-34R W4CVT 0.2in/6mm
1 YA1CL2TC38 MD7-34R W1CVT 0.2in/6mm
WARNING!
At 100% non-liniear load (EN50091-3 standard), the neutral shall be rated for 200%
phase current.
See EPO wiring options in this manual.
