Ground Power Units

The Red Box range of ground power units (aircraft GPU) are designed to offer every variation of power needed for Aircraft, Vehicles, the rail industry and the military.

We have a full range of ground power equipment including portable start power unitslithium start power units, continuous DC power supplies, combination start and continuous DC ground power units, transformer rectifier units and frequency converters, including the popular 24V DC power supplies and 28V DC power supplies.

Our website is designed to provide all the information you need, but deciding what unit is right can be difficult.

Contact our team for a personal service, helping you make an informed choice regarding our ground power units and equipment.

If you would like to purchase one or more of our ground power units please contact our team today on +44 (0)2380 254285.

Furthermore, please send us an email regarding aircraft GPU and ground power equipment and we will be happy to help.


View Product Specification Tables

Start Power Units

Product Name Volts (AC) Volts (DC) Peak Amps Maximum S/C Amps Continuous Amps Battery Type Frequency Output Power (kvA) Power Factor Weight (kg)
Jump Start Batteries RB25A 1200A at 12v 12 1200 2600 Lead Acid 36 kg
Jump Start Batteries RB25A 800A at 24v 24 800 1300 Lead Acid 20 kg
Start Power Unit RB25A 12/24 1600 peak at 12V and 800A peak at 24V 12 / 24 1600 (12v) / 800 (24v) 3200 (12v) / 1600 (24v) Lead Acid 23 kg
RB50A 1500A at 24v 24 1500 2300 Lead Acid 23 kg
Start Power Unit RB50A 12/24 2300A peak at 12V and 1500A peak at 24V 12 / 24 2300 (12v) / 1500 (24v) 4600 (12v) / 3000 (24v) Lead Acid 32 kg
RB75A 1700A at 24v 24 1700 2600 Lead Acid 29 kg
RB50A Twin 3000A at 24v 24 3000 4600 Lead Acid 58 kg
EMBRAER Phenom 300 - Start Power Unit RB75A Twin 3500A at 24v 24 3500 5200 Lead Acid 70 kg
TC 400A-4 3500A at 24v 24v 3500 5200 Lead Acid 105 kg
TC 400A-6 5000A at 24v 24v 5000 7800 Lead Acid 135 kg
TC 400A-8 7000A at 24v 24v 7000 10400 Lead Acid 165 kg
RBL2500 800A peak at 28v 28 800 2500 Lithium 10 kg
Start Power Unit RBL2500 2500A peak at 14v 1300A peak at 28v 14 / 28 2500 (14v) / 1300 (28v) 5000 (14v) / 2500 (28v) Lithium 12 kg
RBL4000 1500A peak at 28v 28 1500 4000 Lithium 15 kg
Start Power Unit RBL4000 4000A peak at 14v 2000A peak at 28v 14 / 28 4000 (14v) / 2000 (28v) 8000 (14v) / 4000 (28v) Lithium 18 kg
RB60A 1500A at 28v 28 1500 2300 Lead Acid 27 kg
RB85A 1700A at 28v 28 1700 2600 Lead Acid 33 kg
EMBRAER Phenom 300 - Start Power Unit RB60A Twin 3000A at 28v 28 3000 4600 Lead Acid 63 kg
EMBRAER Phenom 300 - Start Power Unit RB85A Twin 3500A at 28v 28 3500 5200 Lead Acid 75 kg
TC 400A-28 3500A at 28v 28 3500 5200 Lead Acid 140 kg
Twin RBL4000 3000A peak at 28v 28 3000 8000 Lithium 23.2 kg
TC 400A-26 3500A at 26v 26 3500 5200 Lead Acid 140 kg


Combination Start and Continuous Units, Up to 600A continuous and 7000A peak

Product Name Volts (AC) Volts (DC) Peak Amps Maximum S/C Amps Continuous Amps Battery Type Frequency Output Power (kvA) Power Factor Weight (kg)
Aircraft GPU TC 3000/50-2 50A continuous and 1700A peak 28.5 1700 2600 50 Lead Acid 85 kg
Aircraft GPU TC 3000/50-4 50A continuous and 3500A peak 28.5 3500 5200 50 Lead Acid 115 kg
Aircraft GPU TC 3000/50-6 50A continuous and 5000A peak 28.5 5000 7800 50 Lead Acid 145 kg
Aircraft GPU TC 3000/100-4 100A continuous and 3500A peak 28.5 3500 5200 100 Lead Acid 125 kg
Aircraft GPU TC 3000/100-6 100A continuous and 5000A peak 28.5 5000 7800 100 Lead Acid 155 kg
Aircraft GPU TC 3000/150-4 150A continuous and 3500A peak 28.5 3500 5200 150 Lead Acid 135 kg
Aircraft GPU TC 3000/150-6 150A continuous and 5000A peak 28.5 5000 7800 150 Lead Acid 165 kg
Aircraft GPU TC 3000/200-4 200A continuous and 3500A peak 28.5 3500 5200 200 Lead Acid 145 kg
Aircraft GPU TC 3000/200-6 200A continuous and 5000A peak 28.5 5000 7800 200 Lead Acid 175 kg
Aircraft GPU TC 3000/225-4 225A continuous and 3500A peak 28.5 3500 5200 225 Lead Acid 150 kg
TC 3000/225-6 225A continuous and 5000A peak 28.5 5000 7800 225 Lead Acid 202 kg
TC 3000/300-4 300A continuous and 3500A peak 28.5 3500 5200 300 Lead Acid 186 kg
TC 3000/300-6 300A continuous and 5000A peak 28.5 5000 7800 300 Lead Acid 215 kg
TC 3000/300-8 300A continuous and 7000A peak 28.5 7000 10400 300 Lead Acid 238 kg
TC 3000/450-6 450A continuous and 5000A peak 28.5 5000 7800 450 Lead Acid 286 kg
TC 3000/450-8 450A continuous and 7000A peak 28.5 7000 10400 450 Lead Acid 316 kg
TC 3000/600-6 600A continuous and 5000A peak 28.5 5000 7800 600 Lead Acid 306 kg
TC 3000/600-8 600A continuous and 7000A peak 28.5 7000 10400 600 Lead Acid 336 kg
TC400/28C 3500A peak and 23A for 3 hours 28 3500 5200 95A @ 1 hour Lead Acid 140-165 kg
TC400/28T 7000A peak and 47A for 3 hours 28 7000 10400 190A @ 1 hour Lead Acid 400 kg
TC400/28TR 10400A peak and 102A for 3 hours 28 10500 15600 285A @ 1 hour Lead Acid 500 kg
TC400/28QU 14000A peak and 136A for 3 hours 28 14000 20800 380A @ 1 hour Lead Acid 600 kg
HybRED-170/4 170A Continuous and 3500A Peak 28 3500 5200 170 Lead Acid 150 kg
HybRED-170/6 170A Continuous and 5200A Peak 28 5000 7800 170 Lead Acid 175 kg


Frequency Converters 400Hz and Combination 400Hz 28V DC

Product Name Volts (AC) Volts (DC) Peak Amps Maximum S/C Amps Continuous Amps Battery Type Frequency Output Power (kvA) Power Factor Weight (kg)
RBC8030M – 30KVA at 400hz 400hz 30KVA
RBC8045M – 45KVA at 400hz 400hz 45KVA
RBC8060M – 60KVA at 400hz 400hz 60KVA
RBC8090M – 90KVA at 400hz 400hz 90KVA
Frequency Converter for Airbus A310 and A310 RBC8030 – 30KVA at 400hz 400hz 30KVA
Frequency Converter for Airbus A310 and A310 RBC8045 – 45KVA at 400hz 400hz 45KVA
Frequency Converter for Airbus A310 and A310 RBC8060 – 60KVA at 400hz 400hz 60KVA
Frequency Converter for Airbus A310 and A310 RBC8090 – 90KVA at 400hz 400hz 90KVA
RBC8030 /28/1200M – 30KVA and 28 V DC 300A Continuous and 1200A peak 28v 1200A 300A 400hz 30KVA
RBC8030 /28/2000M – 30KVA and 28 V DC 600A Continuous and 2000A peak 28v 2000A 600A 400hz 30KVA
RBC8045 /28/1200M – 45KVA and 28 V DC 300A Continuous and 1200A peak 28v 1200A 300A 400hz 45KVA
RBC8045 /28/2000M – 45KVA and 28 V DC 600A Continuous and 2000A peak 28v 2000A 600A 400hz 45KVA
RBC8060 /28/1200M – 60KVA and 28 V DC 300A Continuous and 1200A peak 28v 1200A 300A 400hz 60KVA
RBC8090 /28/1200M – 90KVA and 28 V DC 300A Continuous and 1200A peak 28v 1200A 300A 400hz 90KVA
RBC8090 /28/2000M – 90KVA and 28 V DC 600A Continuous and 2000A peak 28v 2000A 600A 400hz 90KVA
RBC8060 /28/2000M – 60KVA and 28 V DC 600A Continuous and 2000A peak 28v 2000A 300A 400hz 60KVA
Frequency Converter for Airbus A310 and A310 RBC8030 /28/1200 – 30KVA and 28 V DC 300A Continuous and 1200A peak 28v 1200A 300A 400hz 30KVA
Frequency Converter for Airbus A310 and A310 RBC8045 /28/1200 – 45KVA and 28 V DC 300A Continuous and 1200A peak 28v 1200A 300A 400hz 45KVA
Frequency Converter for Airbus A310 and A310 RBC8090 /28/1200 – 90KVA and 28 V DC 300A Continuous and 1200A peak 28v 1200A 300A 400hz 90KVA
Frequency Converter for Airbus A310 and A310 RBC8090 /28/2000 – 90KVA and 28 V DC 600A Continuous and 2000A peak 28v 2000A 600A 400hz 90KVA
Frequency Converter for Airbus A310 and A310 RBC8030 /28/2000 – 30KVA and 28 V DC 600A Continuous and 2000A peak 28v 2000A 600A 400hz 30KVA
Frequency Converter for Airbus A310 and A310 RBC8060 /28/1200 – 60KVA and 28 V DC 300A Continuous and 1200A peak 28v 1200A 300A 400hz 60KVA
Frequency Converter for Airbus A310 and A310 RBC8045 /28/2000 – 45KVA and 28 V DC 600A Continuous and 2000A peak 28v 2000A 600A 400hz 45KVA
Frequency Converter for Airbus A310 and A310 RBC8060 /28/2000 – 60KVA and 28 V DC 600A Continuous and 2000A peak 28v 2000A 600A 400hz 60KVA
RB3-400-GBE – 115/200V 400Hz Three Phase output, at up to 3kVA 400hz 3kVA
RB1-400-GBE – 115/200V 400Hz Single Phase output, at up to 1kVA 400hz 1kVA
RB3-400-3kW-GBE – 115V 400Hz Single Phase output, at up to 3kVA 400hz 3kVA