Amazon.com: Accessory USA 12VAC 5A 60VA AC AC Adapter for TDC Power Model No.: DA-60-12 DA-6012 Class 2 Transformer 12V 5000mA Power Supply Cord : Electronics
Halogen Transformer ET60T Self - 2 (60 W) Operating voltage 10–60 VA Small Electronic Transformer : Amazon.de: DIY & Tools
24V 830mA Thermostat and Doorbell Transformer, Wall Transformer with PTC Fuse Compatible with Nest, Honeywell, Ecobee and Sensi Thermostat, Nest Hello and All of Doorbells - - Amazon.com
Toroidal Transformer max 5 A/60VA Transformer 230 V to 1x 12 V AC Ring : Amazon.de: DIY & Tools