Siemens 3RV1021-4DA10

Siemens 3RV1021-4DA10 Motor Protection Circuit Breaker 

The Siemens 3RV1021-4DA10 is a top-tier motor protection circuit breaker from Siemens' renowned SIRIUS series, designed for reliable motor control and protection in demanding industrial environments. Built to safeguard motors from overload, short circuits, and phase failures, this device is an essential component for maintaining uptime and operational safety in motor-driven systems.

This Size S0 circuit breaker is equipped with a Class 10 tripping characteristic, making it suitable for standard motor starting applications. With an adjustable thermal current range of 20 to 25 amps (A-Rel.) and a magnetic trip setting at 325 amps (N-Rel.), the 3RV1021-4DA10 offers precision protection, minimizing the risk of motor damage. It features screw terminal connections for secure and straightforward installation, and its standard switching capacity supports dependable performance across diverse systems.

Ideal for integration into motor starters and control panels, this breaker is compact and DIN-rail mountable, making it a perfect fit for tight cabinet spaces. It seamlessly combines with Siemens SIRIUS contactors and accessories, allowing users to configure flexible, modular motor control setups with ease.

This circuit breaker is well-suited for use in industries such as manufacturing, water treatment, HVAC, material handling, and automation. Whether you're building a new panel or upgrading existing systems, the Siemens 3RV1021-4DA10 ensures your motors are protected and your operations remain uninterrupted.

MRO Electric and Supply offers this product with a 2-year warranty, assuring quality and long-term reliability. It is in stock and available for immediate shipping, and free shipping is included to help reduce overall procurement costs and lead times.

Frequently Asked Questions (FAQ)

What does the Siemens 3RV1021-4DA10 protect against?

It protects motors from overload, short circuits, and phase failures, helping prevent damage and downtime.

What is the adjustable thermal current range?

The adjustable current range is from 20 to 25 amps, making it suitable for a variety of motor sizes.

What is the short-circuit trip setting?

The magnetic release (N-Rel.) trips at 325 amps, providing high-level short-circuit protection.

What type of trip class does this breaker have?

It uses a Class 10 tripping curve, suitable for standard motor applications with typical start-up times.

What size is this model in the SIRIUS system?

It is classified as Size S0, designed for compact motor control center layouts.

Can it be used with Siemens contactors?

Yes, it is fully compatible with the Siemens SIRIUS modular contactor system.

What kind of terminals are included?

This model features screw terminals for solid, vibration-resistant electrical connections.

How is it mounted?

It is designed for DIN rail mounting, streamlining installation in control cabinets.

Is this product readily available?

Yes, MRO Electric stocks this item for immediate shipment, with free shipping included.

Is there a warranty?

Yes, it comes with a 2-year warranty through MRO Electric and Supply for added peace of mind.

Siemens products are manufactured in Germany and are designed for Automotive, aerospace, power generation, and electronics usage. They come with a 2-year warranty from MRO Electric. We also carry Contactors from other manufacturers such as FANUC and Yaskawa.

Contact Us Today For More Information About the 3RV1021-4DA10

Check out the rest of our Siemens product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at sales@mroelectric.com, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 3RV1021-4DA10, take a look at more from our Contactors line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our 3RV1021-4DA10 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.