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Frequency converter (inverter) Sirio Universal from Italtecnica is a high-tech control device with frequency regulation, designed for automatic control of submersible and surface electric pumps. Designed to ensure stable pressure in water supply systems, Sirio Universal optimizes energy consumption, maintaining constant pressure regardless of water consumption level. Main characteristics: Productivity: up to 9 m³/h. Input voltage: 1~230 V, 50 Hz. Output voltage: 230 V. Pressure adjustment range: 0.5 - 8 bar. Working fluid temperature: 5...45 °C. Maximum motor power: 3 phases - up to 9.7 A, 1 phase - up to 10.5 A. Housing material: Plastic. Wi-Fi interface: optional. Protection rating: IP X5. Ambient temperature: up to 45 °C. Programming panel: yes. Weight: 1.6 kg. Warranty: 1 year. Dimensions: 254x147x143 mm. Advantages and features: Versatility: Sirio Universal can control both single-phase and three-phase pumps (delta connection), allowing its use in various water supply systems. Stable pressure: Due to the regulation of the pump shaft rotation frequency, the device provides constant pressure in the system regardless of changes in the level