Parameter Specification
Power supply Input voltage n 8 V … 60 V DC normal operating range
n 10 V … 60 V DC continuous operation (> 30 min.,
fully equipped at max. ambient temperature)
n Load-dump protection up to 120 V
Max. input current n 20 A @ 12 V nominal
n 10 A @ 24 V nominal
Overcurrent protection n 32 A foldback current line
n 60 A external fuse
Start-up current ≤ 50 A
Quiescent current < 1 mA with remote off
Maximum output
current
(The sum of the output
currents must not
exceed the maximum
output power of the
supply rails.)
AutoBox version 1.0:
n 20 A @ +5 V
n 1.5 A @ +12 V
n 1.5 A @ –12 V
AutoBox version 2.0 and 3.0:
n 20 A @ +5 V
n 3.5 A @ +12 V
n 1.5 A @ –12 V
Maximum output
power
135 W @ 12 V nominal input voltage
Efficiency 60 % @ 12 V nominal input voltage
Input/output isolation 250 V
Remote control General Overvoltage protected remote on/off input. The remote
voltage should not exceed the supply voltage.
Overvoltage protection of the remote pin is also 100 V.
If you connect the remote pin to the car battery
directly, the AutoBox will always be turned on, and the
car battery will then soon be exhausted if the engine is
not running. A switch is therefore highly
recommended.
Input resistance at
remote input
47 kΩ tied to GND
Remote on voltage > 4 V
Remote off voltage < 1 V
Power input connector n 7-pin male connector
n For the pinout, refer to Power Input Connector
on page 279.
s
Accessories
t
270
s
DS1103 Hardware Installation and Configuration November 2014
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