Siemens SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC 2.2A 3.2A F.L.C 3.2A Contact Rating 2.2 kW 3P 3RU2126-1DB0

Siemens 3RU2126-1DB0 Thermal Overload Relay is part of the SIRIUS 3RU2 series designed for precise current-sensitive protection of electric motors and other loads featuring normal starting characteristics. This relay features one normally open (NO) and one normally closed (NC) contact configuration, supporting motor circuit protection up to 3.2A relay contact current and 2.2 kW power rating under three-pole operation.

The device supports both automatic and manual reset modes, accompanied by a manual selector switch and a stop button, enhancing operational control and safety. It is suitable for installation on surface or DIN-rail mounts and utilizes screw terminal connections, ensuring stable and reliable wiring.

Its adjustable current range from 2.2 to 3.2 amps ensures flexibility across various motor sizes. The thermal relay features a robust construction with high insulation voltage of 690V AC and an impulse voltage resistance of 6 kV, ensuring strong endurance against electrical transients. It is certified to comply with relevant standards including REACH, RoHS, EAC, CCC, CE, IEC, WEEE, UL, and UKCA, reflecting its compliance with international safety and environmental regulations.

With IP65 and IP55 ratings, this relay offers protection against dust ingress and water jets, making it suitable for harsh industrial and commercial environments. It operates reliably within a wide temperature range from minus 40 degrees Celsius to 70 degrees Celsius, allowing deployment in varied climatic conditions.

The compact size and reliable operation make the Siemens 3RU2126-1DB0 Thermal Overload Relay ideal for electrical automation, manufacturing processes, and industrial motor control applications. It enables efficient overload protection, minimizing motor damage risks and maximizing operational uptime.

Equipped with automatic and manual reset methods for flexibility. Designed with screw terminals ensuring secure electrical connections. Operates reliably within a temperature range of -40°C to 70°C. IP65 and IP55 rated protection provides environmental resistance.

Compact dimensions: 87mm length, 45mm width, and 73mm depth. Includes switch position indicator and test function for easy troubleshooting. Impulse voltage resistance of 6 kV enhances durability under high electrical stress.

Complies with multiple international standards including CE, UL, and IEC. Explore a wide range of Siemens automation and control devices on EnvMart for comprehensive industrial solutions.