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AC Wiring
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A A C C W W i i r r i i n n g g
Figure 4. 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.
3.
Charge the UPS battery for a minimum of 8 hours before initial use. The UPS charges its battery whether
the UPS is on or off when it is connected to AC power.
4.
Power ON/OFF UPS: To turn the UPS ON, press the ON/OFF/TEST button for more than 2 seconds and
release. The UPS LEDs will illuminate and the AC output power will be present
5.
To utilize the additional features and connections, consult the DIN Rail AC UPS Advanced Owner's
Manual on the Eaton website product page.
4
Eaton DIN Rail AC UPS DIN500AC / DIN850AC Quick Start User Guide 934183—Rev B
Protective
Earth
From Line
Neutral
Line
UPS Input and Output Wiring Chart
Input Breaker Size
Wire Strip Length
Screw Torque
Screw
Preferred AWG
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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