The use of inverters paired with centrifugal pumps has become standard in the water systems and treatment sector. These devices adjust pump speed based on water demand, significantly reducing energy consumption. For example, reducing the nominal speed by 20% can cut power consumption by approximately 50%, ensuring more efficient and sustainable operations.
Beyond energy savings, inverters ensure consistent system pressure, simplify system design, protect the pump, and lower maintenance requirements and costs.
However, each pumping system has specific needs, determined by the installation setting and operational requirements. This creates a challenge in system design: finding the right balance between cost-effective standardized solutions and tailored customizations to fulfill specific client needs.
For companies managing every stage of system development, the key priority is clear: delivering solutions that are both flexible and cost-effective. The variety of applications and environments requires technological solutions that are both innovative and adaptable.
HC easyFit by Mac3 addresses these challenges with a range of pump inverters designed for flexibility and adaptability. They simplify design and installation, allowing direct mounting on the pump’s terminal block or on a wall, with no additional kits required.
Compact and easy to install, configure, and control remotely, these units save time and reduce operational costs, optimize space in technical rooms, and provide an easy solution for the standardization of pressure systems. HC easyFit is a practical and effective solution in a rapidly evolving industry.
Innovation starts with listening: an inverter mountable on pump terminal blocks and wall
In 2023, Mac3 began developing HC easyFit, a pump inverter that became a reality in 2025. This product was designed to meet the evolving needs of today’s market and was developed by putting into practice 20 years of technical expertise with the HydroController HCA-HCW range of inverters.
The goal was clear: to create a compact and versatile solution that integrates seamlessly with pumps, easily mountable on walls and directly on pump terminals, all while maintaining durability and performance—the distinctive features of Mac3’s extensive experience and expertise.
The first mockup of the HC easyFit inverter range
As with every Mac3 product, the entire project was managed in-house: from product and electronics design to the development of software and firmware, production of plastic parts, assembly, and rigorous testing, final inspection, and quality assurance.
This approach gives Mac3 and its technical team complete control over the production cycle, ensuring optimal performance and adherence to functional requirements. It also allows for rapid adjustments in every aspect of the product and process, if needed.
HC easyFIT: a pump inverter that makes work easier
HC easyFit inverters provide advanced pump control, ensuring optimal efficiency and precise pressure management for the system. Available in single-phase and three-phase versions, supporting up to 5.5 HP, they’re suited for industrial, residential, and irrigation applications.
This inverter is designed to operate in temperatures ranging from +5°C to +40°C and features an IP54 protection grade. Its integrated cooling system, featuring a built-in fan, enhances performance, ensuring reliability in challenging conditions. The user-friendly LCD display (2×16 characters) immediately provides clear operational data, while a guided startup process ensures fast and intuitive commissioning.
HC easyFit features advanced protections, including dry running, overcurrent, overheating, and low-pressure protection, ensuring safe operation.
One of the distinctive features of this inverter is its versatility in multi-pump configurations, with the capacity to manage up to 8 pumps in parallel, each with an individual inverter. In “Multi-Pump” mode, HC easyFit acts as a master, coordinating up to 7 slave inverters for synchronized and efficient system performance, even in case of malfunctions.
HC easyFit pump inverter is equipped with programmable inputs and outputs, digital controls for external commands, (optional) Wi-Fi connectivity, and compatibility with 4-20 mA pressure sensors and 0-10V signals, allowing for monitoring and precise system pressure adjustments.
With these advanced features, HC easyFit offers a reliable, safe, and highly customizable solution for pump control and optimization across a wide range of applications.
HC easyFit: twice as efficient!
Learn more about HC easyFIT and its features that simplify installation and setup of the pumping system. Fill out the form below to request the catalog.
