3 - 1 6
Modulon DPH Series
3.2 Dual
Input
3.2.1 On-Line Mode_ Dual Input_ Single Unit
In On-Line mode, the main AC source supplies AC power via the Input Breaker (Q1) to the
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to the inverter. In the meantime, the rectifier provides charging power to the batteries.
After receiving the DC power, the inverter converts it into clean and stable AC power to the
connected critical loads via the Output Breaker (Q4). Please see
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for the On-
Line mode diagram. During On-Line mode, the UPS’s tri-color LED illuminates green and
the text '
On-Line
' appears in the upper right corner of the screen.
MAIN
LOAD
BYPA.
Q1
Q2
Q4
Q3
Batteries
Rectifier
Inverter
Static Switch
Q5
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Summary of Contents for DPH-300K
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Page 227: ...8 1 8 Optional Accessories 8 Optional Accessories ...
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