The Siemens 3RN2000-1AA30 is a compact thermistor motor protection relay designed to safeguard motors from overheating. This evaluation unit, part of the SIRIUS 3RN2 series, features a 17.5 mm enclosure with screw terminals and a single change-over contact configuration. It operates on a 24 V AC/DC power supply and includes an auto-reset function, making it suitable for use with bimetallic switches.
Engineered for reliability, the 3RN2000-1AA30 offers robust protection with a high degree of precision. It is equipped with an LED display for easy status monitoring and boasts a mechanical lifespan of up to 10 million switching cycles. The relay is designed to withstand harsh conditions, with an operating temperature range of -25 to +60 degrees Celsius and a relative humidity tolerance of up to 70%.
The unit's compact design allows for easy installation on a 35 mm DIN rail, and it requires no additional spacing for side-by-side mounting. With a high surge voltage resistance of 4 kV and an IP20 protection rating, the 3RN2000-1AA30 ensures dependable performance in various industrial environments.
Ideal for applications requiring precise motor protection, this relay is a reliable choice for maintaining the longevity and efficiency of your motor systems.