Instruction Manual

PFC fosc : 80KHz
PWM fosc : 60KHz
Block Diagram
Static CharacteristicsDerating Curve
◎ The rated current should change with the output voltage programming accordingly.
100
40
60
80
20
OUTPUT CURRENT (%)
V
I
CHARGE VOLTAGE (V)
67.2
16.8
42
33.6
80
12V model
24V model
48V model
10.5
21
42
21
Derating Curve
AC I/P
FILTER
EMI
LIMITING
ACTIVE
CURRENT
INRUSH
RECTIFIERS
&
PFC
SWITCHING
POWER
PFC
CONTROL
CONTROL
PWM
RECTIFIERS
&
FILTER
CIRCUIT
DETECTION
MCU
O.V.P.
O.T.P.
Remote ON-OFF
+V
-V
BATTERY FULL
CHARGER OK
PHOTO
COUPLER
REVERSE
DETECTION
DATA
ISOLATION
ISOLATION
FILTER
&
RECTIFIERS
POWER
AUX
FAN
2 or 3 STAGE
SELECTABLE
CANBus
File Name:NPB-1200-SPEC 2021-11-29
AMBIENT TEMPERATURE (℃)
POWER (%)
230VAC
Input only
-30 -25 0-10 15 30 50 60 70
20
40
60
50
80
100
(HORIZONTAL)
90 100 115 120 140 160 180 190 200 220 240 264
100
90
70
80
85.5
60
50
40
INPUT VOLTAGE (V) 60Hz
LOAD (%)
70
1200W High Reliable Ultra Wide Output Range Intelligent Battery Charger
NPB-1200 series