The Siemens 3RV1921-1M is a versatile signaling switch designed for seamless integration with circuit breakers ranging from size S0 to S3. This compact and robust component is engineered to provide reliable performance in a variety of industrial applications. With a current rating of 10 A and dimensions of 18 x 67 x 89.4 mm, it is an ideal solution for space-constrained environments.
Constructed to meet the IP20 protection class standard, the 3RV1921-1M ensures a high level of protection against solid objects, enhancing its durability and longevity in demanding settings. The signaling switch is also designed for convenient DIN rail mounting, facilitating easy installation and maintenance.
The 3RV1921-1M features both normally open (NO) and normally closed (NC) contacts, offering flexibility in signaling and control circuits. Its operating temperature range from -20°C to +60°C ensures reliable operation even in extreme conditions, making it suitable for a wide range of industrial applications.
This signaling switch is recognised for its compliance with international standards, holding certifications such as CE, UL, CSA, and CCC. Its screw-type terminals provide secure and reliable connections, accommodating a variety of conductor cross-sections for auxiliary contacts.
The Siemens 3RV1921-1M is a testament to quality and reliability, designed to meet the rigorous demands of industrial automation and control systems. It is a key component for professionals seeking a dependable signaling solution to enhance the safety and efficiency of their electrical systems.