Features: · Three-phase motor with six levels, high starting torque, stable operation; · Multi-pole permanent magnet rotor, large flow, low noise; · Controlled by a single-chip computer, with protection against current and voltage irregularities, overheating protection, and shutdown function; · DC frequency conversion technology with automatic speed control, high efficiency, and energy-saving; · Suitable for use in both freshwater and saltwater; · Fully enclosed motor, no exposed copper elements; · Uses corrosion-resistant shaft and alloy, corrosion resistance, and long service life.