User manual
Battery charger NG5-7-9
D01274-00 8
TECHNICAL FEATURES
Ta=25°C unless otherwise specified
Mains side
Description Symbol Test Condition Value and/or
Range
Unit
Supply Voltage Three-phase Vin -
400 ± 15% Veff
Frequency f -
50 ÷ 60 Hz
Absorbed Maximum Current per
phase
If
max
P = P
max
10 (NG5)
14 (NG7)
18 (NG9)
Aeff
Inrush Current - Vin=400Veff
< 2,35 A
Power Factor
cosϕ
P = P
max
0,72 -
Absorbed Minimum Power
Pin
min
End of charge
< 10 W
Absorbed Maximum Power
Pin
max
P = P
max
5 (NG5)
7 (NG7)
9( NG9)
kW
Battery side
Description Symbol Test Condition Value and/or
Range
Unit
Output current I -
See curve
-
Maximum output current I1 Phase 1
See curve
A
Output current ripple - I = I1
< 5% -
Absorbed current
I
a
Equipment turned off
< 0,5 mA
Output voltage U -
See curve
-
Constant output voltage U1 Phase 2
See curve
V
Thermal compensation of output
voltage
dU1/dT Phase 2
-5
mV /
(°C·cell)
Operating range of Temperature
Sensor
∆T
-
from -20 to +50 °C
Output voltage ripple - U = U1
< 1% -
Maximum power supplied
P
max
U = U1, I = I1
4350 (NG5)
6100 (NG7)
7830 (NG9)
W
Output capacity C -
Depend on the
model (>0,2)
mF










