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Ultron NT Series
4.9 Electrical Connections
WARNING:
1. AC power source connection: Three-phase (R/ S/ T) of AC power source
must be in positive phase sequence and the R/ S/ T/ N cables must be
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2. Battery source connection: The positive and negative poles of the battery
cabinet must be connected to the terminal poles ‘+’ and ‘-’ shown in the
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3. The external battery cabinet must be grounded and connected to the
UPS’s ‘Battery Cabinet Ground’ terminal. Do not connect the external
battery cabinet to any other grounding system.
4. Wrong wiring will cause damage to the UPS and electric shock.
4.9.1 15~30kVA Output 208/ 120Vac Terminal Wiring
Diagram (Only for Dual Input Application)
Battery
Battery
Input
Reserve
Output
Battery
Cabinet
Ground
Ground