The Siemens 3RN1010-1BM00 is a thermistor motor protection evaluation unit from the SIRIUS family, designed to monitor motor winding temperature via PTC thermistor sensors. The unit is housed in a 22.5 mm wide enclosure with IP20 protection, suitable for control cabinet mounting where dust and accidental contact are the primary concerns.
The 22.5 mm width occupies one standard modular width unit. Depth is 91 mm, height is 92 mm. The LED display provides local status indication.
The substance prohibitance date of 05/28/2009 aligns with RoHS and REACH compliance expectations — the unit should carry the relevant declarations.