Powerpax uk 15w international switch mode power supplies powerpax uk sw4464b a 12v 125a 15w power supply that has a 90 264v ac input and comes supplied complete with uk european usa and australian pins as standard it carries full international safety approvals making it suitable for world use this psu unit meets the latest erp stage 2 requirements and has a high reliability with mtbf of 50k hours at 25degc the psu provides a single voltage regulated output and is fitted with a 21