Caravan & Motorhome Power Unit/Transformer – 20Amp

SKU: PO120


BCA’s 20 Amp output Power Unit Transformer is the complete 12 volt supply unit, a fully automatic supply direct to the caravan appliance and electronically controlled battery charging. Designed to operate in all European countries and charge a totally flat battery. To ensure a silent night time operation, the fan switches off at low loads. The fan will start to operate once the load current is in region of 5A – 8A

The easy to fit Power Unit comes with full fitting instructions and is fully guaranteed for one year from date of purchase.

BCA Part Number PS276-1-BC

Dimensions: (W) 250mm x (D) 125mm x (H) 67mm

Additional Information

BCA’s 20 Amp output power supply unit powers the 12V system in the habitation area of the leisure vehicle as well as supplies a float charge to the leisure battery.

BCA Part Number PS276-1-BC

One of the best power supplies on the market today

Fitted as standard to:

Bailey: All Caravans

Coachman: Amara, Vison, Pastiche (’16), VIP (’16), Laser (’16)

Elddis/Compass: All Models except the Encore Motor Homes.

Lunar: All Models Pre-2015

The Unit has the below features.

  • 13.8V 20A output for DC power or battery charging or both
  • Short circuit protection
  • Active power factor correction
  • 180V-264V Input
  • Load dependant fan cooling
  • Silent night time operation
  • Fully boxed
  • Size 255mm x 124mm x 67mm
  • Size and fixing compatible with caravan power distribution systems
  • High efficiency
  • EMC to EN55014-B to ensure no interference
  • Safety to EN60950
  • Harmonics to EN61000


Technical Specification

Additional information

Weight 1.5 kg
Depth (Boxed) (mm)


Height (Boxed) (mm)


Height (Unboxed) (mm)


Width (Boxed) (mm)


Width (Unboxed) (mm)


Packing Location


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