HQRP Tri-Volt (8V 20VA, 16V 30VA or 24V 30VA) Transformer Compatible with Ring, Nest and Standard Doorbells Door Chime Power Supply Adapter Door-Bell 120v-to-8v-16v-24v Replacement, UL Listed: Amazon.com: Tools & Home Improvement
Baomain DDS238-4 (30-100) Single Phase DIN-Rail Kilowatt Hour kwh Meter 220V 100A: Amazon.com: Tools & Home Improvement
Siemens 4Av2106-2Ab Transformator/Rectifier Unit Single-Phase 4Av2106-2Ab: Amazon.com: Industrial & Scientific
UHPPOTE 24V 40VA Thermostat Doorbell Transformer Power Supply 120VAC Input 24VAC Output - Compatible with Honeywell, Ecobee, Nest, Sensi Thermostat and All Versions of Ring Doorbell - - Amazon.com
Amazon.com: Krieger 850 Watt Voltage Transformer, 110/120V to 220/240V Step Up Step Down Voltage Converter with AC Outlets, MET Approved Under UL, CSA : Electronics
40 Watt Low Voltage Xenon Transformer 40W in Input 120V to Output 12V Halogen Light Bulb
24V 40VA Thermostat and Doorbell Transformer UL certifiedr, Power Supply Compatible with Saswell, Nest, Ecobee, Sensi and Honeywell Thermostat, All Versions of Ring Doorbell (red) - - Amazon.com
Amazon.com: 80W AC 220V to 24V Single Low Frequency E Type Isolation Small Power Transformer Module : Electronics
Amazon.com: Voltage Converter Transformer 110/120V to AC 12V/5A, AGPtEK 60-Watt Waterproof Power Supply Converter for Swimming Pool Light, Water Pump, Outdoor Light, Spotlights : Patio, Lawn & Garden
Amazon.com: LED Driver 12 Volt 150 Watts 110V to 12V Power Supply Waterproof IP67 Transformer 150W 12VDC LED Power Supply AC to DC Converter with 3 Prong Plug, 120V AC to 12V
NEW LON0167 AC 220V-240V/12V 20-50W Halogen Lamp Electronic Transformer Power Adapter Black(AC 220V-240 ν / 12V 20-50W Lampe elektronischer Transformator-Netzteil schwarz - - Amazon.com
Amazon.com: Yonntech 5000 Watt Voltage Converter Transformer with Circuit Breaker Protection Step Up/Down 110V/220V Heavy Duty : Electronics
24V 40VA Thermostat and Doorbell Transformer, Power Supply Compatible with Nest, Ecobee, Sensi and Honeywell Thermostat, Nest Hello Doorbell and All Versions of Ring Doorbell (Style 1) - - Amazon.com
Amazon.com: Aexit 2pcs 220V Input to 12V 90W EI-6645 Ferrite Core Power Transformer Converter (442ac50f45a3c048fcc6306d2d34104e) : Industrial & Scientific
Amazon.com: Step up Power Source, GYVRM-T122410 10A 240W 12V to 24V DC-DC Converter High Efficiency Converter Regulator for Robots,Photovoltaic Panels,Pumps,CNC Equipment,Motors : Industrial & Scientific
Amazon.com: Seven Star Transformer 200W Step Down 220/110 + Italy Travel Adapter Plug (200-IT) : Electronics
Amazon.com: Leblett DT-10000 Step Up Down Transformer 110V to 220V Voltage Converter 220V to 110V (8000W) : Electronics
Outdoor Landscape Transformer 110/120V to AC 12V/5A,60W Low Voltage Waterproof Power Supply Converter for LED Landscape Lighting, Spotlight, Pathway Light - - Amazon.com
Amazon.com: HOUSEYAS 1000 Watt Voltage Transformer Converter, Auto Step Up Step Down, 110-120 Volts, 220-240 Volts, W/ Extra Surge Protection, Circuit Breaker Protection, Soft Start Function : Industrial & Scientific
Amazon.com: HOUSEYAS 1000 Watt Voltage Transformer Converter, Auto Step Up Step Down, 110-120 Volts, 220-240 Volts, W/ Extra Surge Protection, Circuit Breaker Protection, Soft Start Function : Industrial & Scientific
Amazon.com: Yinleader Voltage Converter Transformer(220V to 110V, 110V to 220V) Step Up/Down Transformer Converter 110/120 Volt - 220/240 Volt - Circuit Breaker Protection (VTUS-3000-6S) : Electronics