TOMZN 100A 3 Phase Din Rail Phase Selector with Voltage & Current Protection Relay TOVPD3-100VAYAProduct Description: Protect your 3 phase electrical systems with the TOMZN TOVPD3 100VAYA, an intelligent auto phase selector designed for automatic phase changeover. This device supports 100A load capacity and features adjustable over and under voltage protection. Ideal for commercial and industrial setups, this protector ensures your equipment runs smoothly by switching to the best phase in case of voltage imbalance or failure. This smart 3P+N