Start Pac 3328-105 Amp 28V Power Supply / Battery Pack
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The 3328 contains a full 28-volt portable battery pack for starting and a large power supply to provide a continuous current at 28.5 Volts DC for maintenance. This mobile GPU has a 105 amp power supply. This will satisfy the ground power requirements of most business jets, and includes on-board air conditioning for the 105 amp model.
The Model 3328-175 GPU is a combination power supply and battery pack.
- 52 Amp Hours at 10 Amp rate
- 28.5 Volt DC-30.5 Volts at rest
- Sealed cells non-hazardous
- Valve regulated high amperage output lead acid
- 3200 Peak amps
- 105 Amps DC continuous output @ 28.5 V
- Battery recharge time: 6 hours
- AC input â€“ 208 to 240 Volts ONLY
- L 38â€ x W 21â€ x H 20â€/ 97cm x 53cm x 51cm
- Handle height: 48â€/ 122cm
- 241 Lbs./ 109.31 Kilos complete
- 250 Amps maximum continuous DC load
The portable GPU is rated at 2800 peak starting amps. When plugged into a 220 single-phase AC power, the built-in power supply will provide 105 amps continuous 28.5 Volts DC current. The GPU is a full 28.5-Volt unit and will give faster, cooler starts on all turbine starting engines. The power supply is large enough to power aircraft on-board air conditioning systems continuously.
The 3328 weighs 241 lbs./109.31 kilos and is pulled by hand or tug.
Always recharge the GPU battery packs soon after use until the green light appears. Once charged, it is not necessary to leave unit plugged in. If heater is installed, turn unit off but leave plugged in.
Avoid discharging the batteries completely as damage to the cells can result.
Always recharge batteries soon after use.
BATTERY DISCONNECT: When operating the continuous power supply at 105 amps and below, activate the battery disconnect. Since the 28.5 batteries actually read 30.5 Volts at rest, leaving the battery disconnect connected will deplete the batteries nearly 50% before their voltage reaches 28.5 Volts. Thus in this situation only one half of the battery capacity will be available for engine starting. By keeping the batteries separated from the continuous power supply, you will have full battery capacity for engine starts. If you need more than 105 continuous amps, then use the battery disconnect and the batteries will make up any amperage needed.
There are approximately thirty 110 volt and thirty 220 volt NEMA plugs in use.Also, customers have various receptacle at their hangars and MRO facilities and may require specific AC cord length to meet their requirements. Due to these facts, we do not automatically provide AC power cords. If you provide the NEMA plug number and specify the AC power cord length you require we will build a cord to be shipped with your unit for a small fee.
NOTE-Â PLEASE USE #12 or Larger AC EXTENSION CORD
We service the 3328-105 and other items like it at our facility.
We sell parts for the 3328-105 and other items like it at our facility. Not sure exactly what part you need? Just describe it or send us a photo and we will research it for you.
We provide short-term and long-term rentals for the 3328-105. We will ship the item directly to you and arrange for pickup at the end of your lease.
We can purchase your used 3328-105 (or similar GSE items like it) and apply it as a credit for new GSE, or buy it outright directly.