ELK TRG1640 AC Transformer 16.5VAC, 45 VA Go to amazon.com Related posts Top recommendation for 16v ac power supply FeatureAuto-Resetting (PTC) Fused SecondaryGreen Power On LEDGrounding Prong & TerminalElectrical outlet mounting tabUL Listed, Wire Strain Relief, Lifetime Limited Warranty DescriptionPlug in AC Transformer, 16.5 VAC, 45 VA with Circuit Breaker