The Siemens 3RN2013-1BW30 is a sophisticated thermistor motor protection relay designed to safeguard motors from overheating. This compact and reliable unit is engineered for DIN rail mounting and features a 22.5 x 90 x 100 mm profile, making it suitable for integration into a variety of control cabinets and panels.
Equipped with two change-over contacts, the relay operates across a wide control supply voltage range of 24 to 240 V ac/dc, catering to diverse industrial applications. The inclusion of LED indicators provides clear and immediate status feedback, ensuring that maintenance personnel can quickly identify operational states.
This relay is particularly adept at monitoring the temperature of motor windings through connected PTC thermistors, triggering protective measures if pre-set thresholds are exceeded. The unit's multifunctional capabilities include manual, automatic, and remote reset options, enhancing its flexibility and ease of use in different scenarios.
The 3RN2013-1BW30 also boasts ATEX approval, signifying its suitability for use in potentially explosive environments, and it ensures safe galvanic isolation between circuits. Its robust design is complemented by features such as wire break and short circuit monitoring, which contribute to its reliability and longevity in demanding industrial settings.
Overall, the Siemens 3RN2013-1BW30 is a vital component for motor protection, offering a blend of performance, versatility, and safety that is essential for the smooth operation of machinery in a wide range of industrial environments.