The Siemens 3RV1021-1FA15 is a robust circuit breaker designed for motor protection, ensuring efficient operation and safety in a variety of industrial applications. This DIN rail mountable device is part of the SIRIUS product family, renowned for its reliability and performance. With a 5 A current rating and a 690 V ac operating voltage, it is equipped to handle standard switching capacities with ease.
This three-pole circuit breaker features a Class 10 trip characteristic, providing quick response to overloads to protect motors and other electrical equipment. The thermomagnetic design of the overcurrent and short-circuit releases ensures precise protection and operational longevity. The 3RV1021-1FA15 is also equipped with a transverse auxiliary switch with 1NO/1NC contacts, adding to its versatility.
The compact dimensions of 97 mm in height, 45 mm in width, and 96 mm in depth, along with the screw and snap-on mounting options, make installation straightforward on a 35 mm standard mounting rail according to DIN EN 50022. The circuit breaker is designed to function in any mounting position, providing flexibility in various setups.
With a mechanical service life of 100,000 switching cycles for the main contacts, the Siemens 3RV1021-1FA15 is built to last, even in demanding industrial environments. It can be used at installation altitudes up to 2000 m above sea level and within an ambient temperature range of -20 to +60 °C during operation, ensuring reliable performance across different climates and conditions.
The screw-type terminals accommodate a range of conductor cross-sections, making it compatible with various wiring configurations. This circuit breaker is a dependable choice for motor protection, offering both performance and durability for industrial applications.