Siemens 3RN2 Series Monitoring Relay, SPDT Contact Configuration, Thermistor motor temperature protection Monitoring Application - 3RN2000-1AW30 This monitoring relay is specifically designed for thermistor motor temperature protection, enhancing safety and functionality across various applications. As a key element in motor protection systems, it reliably monitors motor voltage. Its compact design facilitates easy installation on DIN rails, making it a suitable choice for professionals in automation and electrical fields. Features & Benefits • Operates within a voltage sensing range of 24 to 240V AC/DC
• Compact design suited for installation in confined spaces
• Auto-reset feature enhances operational convenience
• Maximum operating temperature of +60°C
• Uses screw terminals for secure connections
• Mechanical lifespan of up to 10 million operating cycles Applications • Used for protecting motor voltage in industrial settings
• Employed in systems requiring thermistor-based monitoring
• Suitable for safeguarding motors from overheating risks
• Appropriate for automation projects needing dependable temperature monitoring
• Applicable in scenarios requiring reliable voltage sensing What installation considerations should be noted for the relay? It can be mounted in any position and fastened using screw or snap-on methods on 35mm DIN rail. How does it handle power failures? It features a minimum buffering time of 40ms during power interruptions. Is additional equipment needed for compatibility? No, it is suitable for direct use with bimetallic switches without needing extra components. What is the expected lifespan of the product under standard conditions? It typically offers a mechanical service life reaching 10 million operating cycles. How do I connect the relay in my setup? Connections are made using screw-type terminals that accommodate solid and finely stranded conductors.