- 【Transformer Specifications】Style A: low voltage hardwired doorbell transformer input voltage is AC 120V and 60Hz, output voltage 16V, output current 30VA. Style B: The input is 120V, 60Hz and output is 24V/40VA.Note: The load voltage (when the doorbell is running) is 24V, and the no-load voltage output is about 27V.
- 【Easy to Use】These 16/24-volt transformer can replace and upgrade underpowered transformers, providing ample power to single or multiple thermostats or doorbells simultaneously. Replace old and weak doorbell transformers with new one for better performance.
- 【Simple Wiring】It is easy to install, just screw or thread clamp to electrical box for simple wiring. Note: This transformer has no ground wire. Style A and Style B are UL certified for reliable performance.
- 【Wide Compatibility】Our universal thermostat and doorbell transformer is compatible with smart thermostats of many brands. It is also compatible with many doorbells that require a constant 16/24V power source to operate devices. It is US standard and suitable for North America.
- 【Security】The transformer has multiple protections to escort your use. Service: If you encounter problems, please communicate with us and we will provide you with a satisfactory solution.If the doorbell does not work after installation, check if the doorbell requires a voltage in 16-24v
