The Doyin AC Motor 4″ 5.5KW 3PH is a heavy-duty three-phase motor built for the most demanding borehole installations. With 5.5KW of continuous power, it is the go-to solution for very deep wells, large institutions, and high-volume water infrastructure projects.

Key Features & Benefits

• 5.5KW Industrial-Grade Power — Delivers massive water volumes from extreme borehole depths
• Three-Phase Balanced Load — Ensures smooth, continuous operation with minimal vibration and heat
• Premium Stainless Steel Housing — Maximum corrosion resistance for long service life underground
• Advanced Thermal Protection — Automatically shuts off to prevent damage under high-load or dry-run conditions
• Engineered for Continuous Duty — Designed to run for extended periods without performance degradation

Why Choose the Doyin AC Motor 4″ 5.5KW 3PH?

• Perfect for very deep boreholes exceeding 250M
• Reliable 24/7 operation for critical water supply infrastructure
• Trusted Doyin engineering with a global manufacturing track record
• Efficient three-phase design keeps operational costs in check

Applications
Large-Scale Institutions — Universities, hospitals, and government facilities with very high water demand
Commercial Developments — High-rise apartments, malls, and mixed-use developments
Large Agricultural Schemes — Irrigation for large farms, flower farms, and processing facilities
Water Utilities — Community water supply and county government water projects