Delta NT Series User Manual

Chapter 4 Installation & Wiring
60
4.9.9 500kVA Output 220/ 380Vac Terminal Wiring Diagram
Single input: When there is only one input source, the wiring diagram is as follows.
BATT.CABINET
When use non-standard type of
external battery cabinet, please
refer to the user manual fo r
proper sizing of shor t-circui t
protection.
ſ
GROUND
UPS OUTPUT
RESERVE
UPS OUTPUT
P.S.
FUSE
FUSE
FAN
INPUT
BYPASS
RECTIFIER
T
S
R
S
R
RESERVE
T
R
S
T
R
S
T
T
S
R
BATTERY
INPUT
OUTPUT
OUTPUT
INPUT
N
N
T
S
R
T
S
R
GROUND BATTERY CABINET
GROUND
INPUT
BATTERY
COPPER BARS
+
-
Dual input: When there are two input (mains and reserve) sources, remove the
cooper bars connected between the INPUT and RESERVE terminals, connect the
mains source to the INPUT terminals (R/ S/ T/ N) and connect the reserve source to
the RESERVE terminals (R/ S/ T/ N). The wiring diagram is as follows.
When use non-standard type of
external bat te ry ca bi net, pl eas e
refer to the user manual for
proper sizing of short-circuit
protection.
GROUND
ſ
BATT.CABINET
UPS OUTPUT
UPS OUTPUT
RESERVE
FAN
FUSE
FUSE
P.S.
INPUT
BYPASS
RECTIFIER
T
S
R
S
R
RESERVE
T
R
S
T
T
S
R
BATTERY
INPUT
OUTPUT
OUTPUT
INPUT
N
N
T
S
R
RESERVE
T
S
R
T
S
R
GROUND BATTERY CABINET
GROUND
INPUT
BATTERY
+
-

Delta NT Series Specifications

General

Brand	Delta
Model	NT Series
Category	UPS
Language	English