Siemens 3RN2010-1BA30

The thermistor motor protection relay offers a compact design within a 22.5 mm enclosure, suitable for applications requiring bimetallic switches. It integrates two change-over contacts and operates at 24 V AC/DC. This unit features auto-reset functionality and includes two LED indicators for operational status: READY and TRIPPED.

With a maximum thermal current of 5 A, the relay is equipped for a variety of industrial applications. The device is designed to ensure galvanic isolation between input and output, enhancing operational safety. It withstands surge voltage up to 4 kV and provides immunity against electromagnetic interference, complying with standards such as IEC 61000.

Installation is straightforward with screw-type terminals supporting wire sizes from 0.5 mm² to 4 mm². The relay can be mounted on a standard 35 mm DIN rail, accommodating various mounting positions. It operates effectively within a temperature range of -25 °C to +60 °C and is rated for a service life of approximately 10 million cycles, ensuring longevity in demanding conditions. This product is categorized under the SIRIUS 3RN2 thermistor motor protection designation.