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4 Eaton Din Rail UPS Quick Start Guide 934184—Rev A
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External Battery #1
External Battery #2
Input
Output
To install the DC input / output wiring to the UPS:
1. Use the recommended user-supplied wiring to connect the DC UPS Input and Output terminals.
2. Use the recommended user-supplied EBM wiring from Table 1 to connect to the DC UPS battery (BAT + /
-) terminals.
3. Connect other end of BAT wiring from the DC UPS to the closet set of +/-terminals of the EBM.
4. Add additional BPDIN24XL extended battery modules by following the above steps. Ensure each of the
EBMs are at a minimum distance of 0.39 in. (10 mm) between each module. Up to four EBM modules can
be used per UPS.
5. Turn on Mains DC power and check with a voltmeter to verify 24V DC is present across all positive and
negative terminals. Power the UPS ON by pressing the button for 3 seconds. As long as live 24V DC is
supplied to input terminals the output terminals will be live in bypass and Line operation modes.
6. For connection to remote ON/OFF, dry contacts and support information, refer to the Advanced User’s
Guide at Eaton.com.
Table 1. Recommended DC Input and Output Wire Sizes
Terminal
Recommended Wire Gauge
AWG (mm2)
Torque N-m (in-lb)
DIN24240DC DIN24480DC
DC Input/Output
16 (1.5) 12 (4) 0.6 (5.3 in-lb)
Recommended EBM Wire Size
Connection
Wire Size (AWG)
Torque N-m (in-lb)
Battery Terminals 12 AWG (4 sq. mm)
0.6 (5.3 in-lb)
DC Mains and Battery Pack Connections
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