| Detailed Specifications |
PST-Backup-2.4-12A |
PST-Backup-2.4-5A |
| Maximum pass-through current |
12 Amps continuous |
5 Amps continuous |
| Max Charge Current |
400 milliamps. |
400 milliamps |
| Maximum input voltage (steady state) |
15V |
15V |
| Maximum input voltage (transient) |
40V |
40V |
| Maximum pass-through wattage |
144 Watts |
60 Watts |
| Transient pass-through current |
15 amps for 40 seconds
20 amps for 5
seconds
Over 20 amps immediate shutdown
|
6 Amps for 40 seconds |
| Transition time |
Less than 50 microseconds from
main battery to auxiliary battery
less than 50 microseconds from auxiliary
battery to main battery. We have a capacitor to keep the voltage up during the
transition and have not had any problem with customer's equipment dropping out
during the switchover. |
| The available custom set points are Main
On, Main Off, Charger On, Charger Off, Aux On, Aux Off |
This
document describes how to engineer and specify the 6 custom set points if
desired |
| Backup time |
12 amps for 200 seconds
8 amps for 400
seconds
4 amps for 17 minutes
2 amps for 44 minutes
120 mA for 20
hours |
5 amps for 730 seconds
4 amps for 17
minutes
2 amps for 44 minutes
120 mA for 20 hours |
| Charge voltage |
Factory selectable, default is 11.8V |
Factory selectable, default is 11.8V |
| Internal battery |
2.4 AH Sealed lead acid battery
|
| Charge algorithm |
Constant current until the
battery voltage reaches 13.4 volts, taper charge above 13.4 volts to zero
current at 14.1 volts |
| Nominal Battery Voltage |
12 Volts |
| Size |
3 x 4.9 x 5.7 inches (6.8"
including flanges)
76 x 124 x 145 mm (173 mm including flanges) |
| Vehicle's electrical bus reconnects to
the load when its voltage raises to: |
13.5 volts |
| Load is switched to the auxiliary battery
when the main voltage drops below |
13.1 volts |
| Auxiliary battery is disconnected from
the load when the auxiliary battery's voltage drops below |
10 volts |
| Temperature Range |
Minimum ambient temperature
-10°C (-40°C available upon request)
Maximum ambient temperature of
70°C
When the case temperature gets above 45°C the charge current is
automatically reduced to maintain system operation at higher temperatures. |
| Storage Temperature |
-20°C to 70°C |
| Connection |
Screw terminals, included are
spade terminal adapters as shown below |
| Included spade (faston) connector
adapters |
 |
| LEDs |
LEDs light up showing whether
the load is being powered by the car or the auxiliary battery |
| Weight |
3.3 lbs or 1.5 kg |
| Orientation |
Can be mounted safely in any
orientation |
| Time-out
Option |
The Time-Out option turns the
unit completely off after the controller switches to the Auxiliary Battery. The
time is adjustable from 5 to 30 minutes. The unit turns back on when the Main
power is restored. |
| Warranty |
1 year |
| |
User guide for 5A
version
User's guide for 12A
version |
