The power unit switches on and 'hums' - otherwise untested and sold as seen. The weight is 1.5kg.
Vintage Tri-Ang RP14 Power Unit Train Speed Controller Grey 12 Volt - For Parts
2x Hornby R912 Power Unit Train Speed Controller
Triang RP14 Power Supply Controller Tested And Working OO Gauge
Triang RP14 Power Supply Controller, untested
Tri-ang RP14 Power Unit, RP5-5 Power Controller
Triang Rovex Power Unit Rp13 Model Railway Controller Unit Vintage