The Siemens 3RN1013-1BW10 is a sophisticated evaluation unit designed for thermistor motor protection, ensuring motors are safeguarded against overheating. This versatile device operates with a control supply voltage range of 24 to 240 V ac/dc, accommodating a wide array of power systems. Its compact dimensions, 22.5 x 91 x 102 mm, make it suitable for integration into various control cabinet setups.
Equipped with LED display for clear status indication, the unit provides a user-friendly interface for monitoring motor temperatures. The 3RN1013-1BW10 is capable of handling a single measuring circuit and is designed with screw-type terminals for secure and reliable electrical connections.
This multifunctional evaluation unit is notable for its reclosing lockout feature, auto-reset capability, fault storage, and provision for external reset, enhancing its operational flexibility. It operates efficiently within an ambient temperature range of -25 to +60°C, ensuring consistent performance in diverse working environments.
The 3RN1013-1BW10 is a phased-out product, and Siemens recommends the 3RN2013-1BW30 as its preferred successor. However, the 3RN1013-1BW10 remains a valuable component for those seeking to maintain or replace existing installations with the same model.
With its robust design and adherence to IP20 protection class, this evaluation unit is a reliable choice for industrial applications where motor protection is paramount. Its functionality and build quality reflect Siemens' commitment to engineering excellence, making it a prudent selection for safeguarding valuable motor-driven systems.