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All ground points must be
connected to chassis earth.
Start
battery
Fuse*
Load
fuse
Blue wire
- connect to
vehicle ignition for
low voltage trigger
settings
Blue wire- leave
disconnected for
standard trigger
settings
Loads
Fuse*
Auxiliary
battery
12V
unregulated
solar panel
array
Optional
LED
Charging
profile select
24V system option
Solar option
Solar
panels
BCDC1225D and BCDC1240D dual input typical setup
*Recommended fuses - FK40 (BCDC1225D) or FK60 (BCDC1240D)
All ground points must be
connected to chassis earth.
Low voltage
disconnect
Start
battery
Fuse*
Load
fuse
Blue wire
- connect to
vehicle ignition for
low voltage trigger
settings
Blue wire- leave
disconnected for
standard trigger
settings
Loads
Fuse*
Auxiliary
battery
12V
unregulated
solar panel
array
Optional
LED
Charging
profile select
24V system option
Solar option
Solar
panels
BCDC1225D and BCDC1240D dual input Lithium setup
*Recommended fuses - FK40 (BCDC1225D) or FK60 (BCDC1240D)
www.redarc.com.au
© 2017 REDARC Electronics Pty Ltd. All rights reserved.
5051-170324
Australia
Phone [phone]
Fax [phone]
International
Phone [phone]
Fax [phone]
REDARC Electronics
ABN 77 136 785 092
23 Brodie Road (North)
Lonsdale, South Australia
Australia 5160
[e-mail]
Output
fuse
Input
fuse
Ignition
switch
Auxiliary
battery
Start
battery
BCDC1206 typical setup
Load
fuse
TRAILER/
CARAVAN
TOWING
VEHICLE
Battery
config
wire
Loads
Fuse*
Anderson
plug
FK40
fuse
Auxiliary
battery
Start
battery
Note: Power wires must be
at least 6mm² and must be
crimped using an appropriate
crimp tool.
All ground points must be
connected to chassis earth.
Blue wire goes to
vehicle ignition for
all IGN models or
those with 24V input.
Blue wire connects
to red wire for
non-IGN models.
BCDC1220 typical setup
Want to know more?
Scan this QR code with
your smartphone to go to
the Redarc website
Visit redarc.com.au for more information.
REDARC In-vehicle Dual Battery Chargers
are available at your nearest auto electrician
or 4WD specialty store.
®
†
Voltages specified are ±100mV.
‡
Fuses not supplied.
BCDC1206 BCDC1220
BCDC1220-IGN
BCDC1225
BCDC1225-LV
BCDC1240
BCDC1240-LV
BCDC1225D BCDC1240D BCDC2420
Input voltage range
†
9 - 32V
Vehicle voltage range (LV models)
†
N/A 9 - 16V N/A
Solar voltage range
†
N/A 9 - 28V 9 - 32V 9 - 28V
Solar switch on voltage (unregulated)
†
N/A 17.5V 9.0V 17.5V
Maximum charging voltage
†
14.5V 14.6V/15.0V/15.4V 14.6V/15.0V/15.3V/14.6V 29.0V/29.8V/30.6V
Output current 6A 20A 25A 40A 25A 40A 20A
No load current <100mA
Standby current <1mA <5mA <8mA
Recommended input fuse
‡
10A 40A 40A 60A 40A 60A 60A
Recommended output fuse
‡
7.5A 40A 40A 60A 40A 60A 40A
Output power 72W 300W 375W 600W 375W 600W 600W
MPPT solar regulator No Yes
Ambient temperature -20°C to +70°C -20°C to +80°C -15°C to +80°C -20°C to +80°C
Dimensions 80 x 60 x20mm 100 x 120 x37mm 150 x 120 x 37mm 165 x 120 x 37mm 150 x 120 x 37mm
Weight 200g 450g 680g 850g 680g
Load
fuse
Battery
config
wire
Vehicle
ignition
Loads
Fuse*
Fuse*
Note: Power wires must be
at least 6mm² and must be
crimped using an appropriate
crimp tool.
All ground points must be
connected to chassis earth.
24V system requires
a 24V relay.
Solar
panels
Start
battery
Auxiliary
battery
Auxiliary
battery
For automatic switching
between vehicle and solar
energy charging sources use
the REDARC RK1260 relay kit
Solar option
24V system option
BCDC2420 typical setup
*Recommended fuses - FK40 (24V systems) or FK60 (12V systems)
Load
fuse
Battery
config
wire
Optional
LED
To
vehicle
ignition
Loads
Fuse*
Fuse*
Solar
panels
Solar option
24V system option
Start
battery
Auxiliary
battery
For automatic switching
between vehicle and solar
energy charging sources
use the REDARC RK1260
relay kit.
Note: Power wires must be
at least 6mm² and must be crimped
using an appropriate crimp tool.
All ground points must be connected
to chassis earth.
24V system requires
a 24V relay.
BCDC1225 and BCDC1240 typical setup
*Recommended fuses - FK40 (BCDC1225) or FK60 (BCDC1240)
*Recommended fuse - FK40