Red Box Power Unit RB50A 12/24

The Red Box Aviation RB50A 12/24 is a hand-portable, switchable start power unit for 12 VDC and 24 VDC applications. Designed for aircraft ground-support use, it provides a compact source of starting power for field and remote-location operations.

Manufacturer part number: ARB50A1224

• Switchable 12/24 VDC configuration
• Maximum short-circuit current: 4,600 A at 12 VDC and 3,000 A at 24 VDC
• Capacity: 54 Ah at 12 VDC or 27 Ah at 24 VDC, measured at the 10-hour rate
• Stainless-steel case with digital voltage indication rated to IP65
• Operating temperature range: -40 °C to +60 °C
• 2 m heavy-duty aircraft output cable and reverse-polarity warning
• 40 A auxiliary circuit breaker and 29 VDC auxiliary input
• Approximate manufacturer-stated dimensions: 40 × 23 × 28 cm; weight: 28 kg

The unit is supplied with a charger, output cable and carry bag. Manufacturer literature describes the RB50A 12/24 as weather-protected, maintenance-free and suitable for use in any orientation.

Relevant documentation is available from the manufacturer: RB50A 12/24 product datasheet.