Epo switch wiring – American Power Conversion 10-30 KVA User Manual
Page 21
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Site Preparation – Operating Environment
990-1598B
Smart-UPS® VT 10-30 kVA, 208/220 V Site Preparation and Installation Manual
15
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 24V
DC
Emergency Power Off (EPO) switch.
UPS/AWG sizes
Mains input
[AWG]
AC output
[AWG]
DC input
[AWG], 75°C Wire
10 kVA
8
8
1
15 kVA
6
6
1
20 kVA
4
4
1
30 kVA
1
1
1
Note
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
0.2 in/6 mm
8
YA8CL2TC38
MD7-34R
W8CVT
0.2 in/6 mm
6
YA6CL2TC38
MD7-34R
W5CVT
0.2 in/6 mm
4
YA4CL2TC38
MD7-34R
W4CVT
0.2 in/6 mm
1
YA1CL2TC38
MD7-34R
W1CVT
0.2 in/6 mm
WARNING!
At 100% non-liniear load (EN50091-3 standard), the neutral shall be rated for 200%
phase current.
See “Pin connections J108 (for EPO wiring options)” on page 37