The Siemens 3RV2021-4FA10 is a reliable SIRIUS motor protection circuit breaker designed for industrial control panels, machine building and motor feeder applications. With its 34 to 40 A setting range, it supports dependable protection and switching of three-phase motors in demanding electrical installations.

This 3RV2 series device combines overload and short-circuit protection in a compact DIN-rail mounted format, helping reduce panel space while maintaining high operational safety. The adjustable current range makes it suitable for matching the protection setting to the connected motor load, supporting efficient commissioning and service work.

Choose this Siemens motor protection circuit breaker for a robust, industry-proven solution that integrates easily into professional low-voltage switchgear, with the added assurance that it comes with a 1-year warranty.

• Brand: Siemens
• Series: SIRIUS 3RV2
• Model: 3RV2021-4FA10
• Current setting range: 34 to 40 A