The TOMZN TOVPD3-63VAYA Auto phase sector Intelligent Changeover Switch is a device that automatically selects the best phase for your electrical load. It does this by monitoring the voltage and current on each phase and selecting the phase with the highest power factor. This can help to improve the efficiency of your electrical system and reduce your energy costs.
TOMZN wifi Smart Switch Circuit Breaker Energy Meter Kwh Metering Monitoring Timer Relay Switch Timer And Leakage Protection for Smart Home Control