Single Phase Pump Control Box of S521

Single Phase Pump Control Box of S521. Comprehensive Protection: Includes overload, stall, dry run, under/over voltage protection for universal pumps. Flexible Control Modes: Supports water level control via float switch/probe and pressure control via pressure tank. Wide Voltage Compatibility: Rated input voltage AC220V-240V, single phase 50HZ/60HZ for global use. Power Range Versatility: Rated output power 0.37kw-2.2kw (0.5hp-3hp) suitable for various pump sizes. Smart Memory Function: Features push button calibration and memory function for power-off recovery. Compact Wall Mount Design: Dimensions 70x155x8.5mm, IP22 protection, designed for easy wall mounting.