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3 3 . . 2 2
U U P P S S H H a a r r d d w w i i r r e e d d I I n n s s t t a a l l l l a a t t i i o o n n
To reduce risk of fire, connect only to a circuit provided with 20A maximum branch circuit overcurrent
protection in accordance with the NEC, ANSI/NFPA 70, and the CEC Part 1, C22. The UPS is suitable in a
Pollution Degree 3 environment. Do not bond Ground to Neutral on either input or output terminals of the UPS
unit.
Figure 5. UPS Input and Output Wiring
1.
Check that the UPS and the 120V AC Supply are OFF (disconnected) before installation.
2.
Wire the UPS input and output terminals with 194°F (90°C) rated copper wire according to the table below.
Connect the AC input ground terminal to the main supply ground.
Protective
Earth
From Line
Neutral
Line
UPS Input and Output Wiring Chart
Input Breaker Size
Wire Strip Length
Screw Torque
Screw
Preferred AWG
Eaton Din Rail UPS Advanced User Guide 9340AC—Rev A
UPS Hardwired Installation
Line
To Load
Neutral
Protective
Earth
20 Amp for DIN500AC and DIN850AC
0.35 in. (0.9 cm)
5.3 lb-in (60 N-cm)
M3.0
18 AWG for DIN500AC / 14 AWG for DIN850AC
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