The SIRIO Variable Speed Drive (VSD) is a high-performance, compact inverter solution designed for pressure control and energy-efficient operation of water pumps. Suitable for both 220V single-phase and 380V three-phase pumps, this versatile unit ensures stable pressure, soft start/stop functionality, and extended pump life.

Crafted in durable grey casing with intuitive interface, the SIRIO VSD offers excellent flexibility for both residential and commercial applications—particularly in water supply, irrigation, pressure boosting, and rainwater harvesting systems.

Key Features:

• Dual Voltage Compatibility – Operates both 220V single-phase and 380V three-phase pumps - 220V input and 3 phase output.

• Advanced Pressure Regulation – Maintains constant water pressure regardless of flow demand

• Integrated Protections – Safeguards against dry run, overcurrent, overvoltage, and overheating

• Soft Start/Stop Function – Minimises water hammer and pump wear

• Silent & Compact Design – Designed for quiet operation and easy wall or tank installation

• IP55 Protection Rating – Splash- and dust-proof housing suitable for various environments

• Automatic Restart Function – Ensures reliable pressure restoration after power interruptions

Technical Specifications:

• Input voltage: 220V Single Phase
• Current Rating: 10.5A 
• Max Pressure: 8 Bar 
• Installation: Wall mount or pump mount 
• Control: Digital pressure sensing with adjustable parameters

PRODUCT DATASHEET

MANUAL DOWNLOAD

Applications:

• Domestic & Commercial Pressure Boosting

• Borehole & Rainwater Systems

• Irrigation & Agricultural Supply

• Variable Flow Water Supply Systems

Notes:

• Installation should be completed by a qualified professional for safety and optimal configuration.

• Ensure adequate ventilation if installing in enclosed areas.

Why Choose the SIRIO VSD Drive?

The SIRIO VSD Drive provides consistent water pressure, longer pump lifespan, and significant energy savings. Whether in a small household or a large-scale agricultural setup, it offers dependable automation with smart regulation—all in a compact, easy-to-integrate design.