3RV1021-1FA10

The Siemens 3RV1021-1FA10 functions as a motor protection circuit breaker, designed to safeguard motors in various industrial applications. With a continuous current rating of 5A, this unit provides essential protection against overloads and faults. Its compact size features three poles and a weight of 0.361 kg, rendering it efficient for space-constrained installations.

This circuit breaker operates effectively within an ambient temperature range from -20 to +60 °C. For storage purposes, it can withstand temperatures between -50 and +80 °C without compromising functionality. Its IP20 rating denotes adequate protection against solid objects larger than 12.5 mm, while the shock resistance of 25g supports its use in environments subject to vibration or physical impacts.

Wiring is managed through screw-type terminals, facilitating secure electrical connections. Installation is straightforward with a fastening method that combines screw and snap-on mounting onto a standard 35 mm DIN rail. Additionally, the 3RV1021-1FA10 includes a surge voltage resistance rated at 6000 V, ensuring added durability in high-voltage situations.

It is classified under Motor Protection Class 10, providing specific settings to manage thermal protection levels. Furthermore, the short-circuit protection features a release setting at 65 A, offering essential safeguards against potentially destructive electrical faults. Overall, the 3RV1021-1FA10 serves as a reliable choice for protecting motors while maintaining adaptability in various operational settings.