ZK FS300 Series Intelligent Pump AC Drive

12-12-2025

Next-Generation Constant Pressure Water Supply Solution


FS300 Series Intelligent Pump AC Drive, a revolutionary all-in-one constant pressure water supply controller designed for residential, commercial, and agricultural pumping systems.


Featuring an ultra-compact integrated design with built-in specialized PID algorithms, the FS300 delivers precise constant pressure and frequency modulation dual-mode control while supporting both permanent magnet synchronous motors (PMSM) and traditional asynchronous motors. With IP54 protection as standard and a full suite of pump-specific functions, it is ready for the toughest indoor and semi-outdoor environments.


Key Advantages


Wide Power Range: Single-phase 220V & three-phase 380V | 0.75 kW – 22 kW


  • Wide Power Range Adaptability, All-Purpose Drive

     –   0.75~22kW wide power range, support permanent magnet synchronous and asynchronous motor control, applicable to different types of water pumps.

     –  Specialized PID control algorithm to meet the needs of water supply, drainage, HVAC and other fields.

  • Easy to Use, Intelligent Maintenance

     –  Backpack fit mounting, small size, light weight,easy to install. 

     –  Support the operation of the upper computer,debugging parameters read with one key, efficientand convenient. 

     –  Equipped with IOT module, it supports remotemonitoring and management to enhance theefficiency of operation and maintenance.  

  • Water Supply Specialized Functions

     –  Water supply special function multi-pump intelligentjoint control, accurate PID adjustment, efficientmaster-slave synergy, to ensure stable operation ofthe pump group.

     –  Flexible injection, anti-freezing protection, fireoverride, burst pipe detection, pool level monitoring,dormant mechanism and other rich functions tomeet the needs of diversified pumping units.

  • Comprehensive Protection, Stableand Carefree

     –  IP54 high protection level, dustproof and splash-proof, applicable to a variety of harsh workingenvironments.

     –  Multiple protection functions such as high/low pressure, dry pump, water shortage, waterleakage, overload, short circuit, etc. ensure thesafe and stable operation of the equipment.

Perfect For

Neighborhood & villa water supply • Hotels & commercial buildings • Factory equipment boosting • Municipal pipelines • Agricultural irrigation & drainage • Construction sites


The FS300 turns complex multi-pump constant pressure systems into a simple “plug-and-play” solution,Customers only need to mount it, wire it, and press RUN – everything from pressure stability to remote management is handled automatically.


The FS300 Series is now globally available. Download the brochure, or request a free demo unit at www.zkinverter.com.


ZK Electric – Smarter Water, Simpler Life.


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