The Hills 500MA is a 500mA supply with a regulated DC output. It is a highly flexible supply as it has a reverse polarity plug, six interchangeable connectors with DC and jack plugs and switchable 3, 6, 9 or 12V DC supply at max 500mA.
Hills 500Ma (code 7198)
Universal PSU 024365
£9.99 (inc vat)