GPU Power Supply & Starting Unit Model 3324

Introducing Model 3324, an advanced ground power unit (GPU) produced by Start Pac. These GPUs are designed for ground use in performing starting and maintenance functions. The 3324 has a large battery capacity (78AH) with a 58-amp power supply when connected to 110 Volt or 220 Volt AC. This airplane starting unit can be used in remote ramp locations using battery power alone and give extended time for maintenance checkout. When connected to AC power, the depleted batteries of this ground power unit can be charged in a matter of hours with the built-in portable power supply/battery charger.

We also custom manufacture units in various combinations of batteries and power supplies to meet the customer’s exact requirements (e.g. a 24 volt power supply).

The Model 3324 GPU is a combination power supply and battery pack.

78 Amp Hours at 10 hour rate
24 Volt DC – 25.5 Volts at rest
Sealed cells non- hazardous
Valve regulated high amperage output lead acid
3200 Peak Amps
Power supply/charger
Multi- unit 58 Amp DC continuous output
28 – 28.5 Volt output from 0 – 58 amp load
Battery recharge time from fully discharged – 2 hours
AC Input – 110 Volt or 220 Volts (only 1)
200 amps maximum DC load
NOTE- When using more than 58 continuous amps, the batteries will make up the difference until they become depleted. On most aircraft, a low voltage relay will drop the GPU offline when the voltage drops below a preset level. Once the GPU is dropped off, it’s voltage will rise and will be accepted again by the aircraft, then will immediately drop off again. This oscillation can cause damage to aircraft components.

Category: .

Additional Information

Weight 13.6 kg
Dimensions 9.25 x 3.75 x 30.48 cm


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Model 3324QC-400 amp - 1GPU Power Supply & Starting Unit Model 3324 - 1