TOWO SM-SM40 3P WiFi Smart Auto Reclosure Protector With Split CT & RS485 Communication

TOWO SM-SM40 3P WiFi three-phase smart auto-reclosure protector is built for high-current industrial PV retrofits, supporting multiple specifications of split CT transformers up to 1000A and standard RS485 Modbus communication for seamless industrial system docking. It features Class I bidirectional PV metering to track solar generation and grid power, full 3-phase fault protection including phase loss, phase rotation & unbalance monitoring, plus 7-layer safety guard with fast 0.5s trip response, auto reclosing and prepayment metering. Equipped with WiFi+Bluetooth dual wireless connection, it enables mobile APP remote control, multi-mode timing and Alexa & Google Home voice operation, ideal for large commercial three-phase solar and factory power distribution.