Electrical Connections; 30Kva Output 220Vac Terminal Wiring Diagram - Delta NT Series User Manual

wiring terminals.
Model Wiring Location
GES104NT,
NT-100K

4.9 Electrical Connections

WARNING:
1. AC power source connection: Three-phase (R/ S/ T) of AC power source
2. Battery source connection: The positive and negative poles of the battery
3. The external battery cabinet must be grounded and connected to the
battery cabinet to any other grounding system.
4. Wrong wiring will cause damage to the UPS and electric shock.

4.9.1 10~30kVA Output 220Vac Terminal Wiring Diagram

Single input: When there is only one input source, the wiring diagram is as follows.
1B
R S T
Input
Wire Gauge (
Main Input 4/0 AWG X 1
Res. Input 2/0 AWG X 2
Output 2/0 AWG X 2
Battery 2/0 AWG X 2
PE
R N N
Chapter 4
1 ), copper wires with temperature
) when connecting to AC and DC
2
) Bolt Type
*
1
3 AWG X 1
R
Battery+
Output
52
Installation & Wiring
Torque (lb-in) (
M10 220±8
M10 220±8
M10 220±8
M10 220±8
M10 220±8
Ground
Battery -
)
*
2
Battery
Cabinet
Ground