3RV1021-0HA10

2-year Warranty

Same Day Shipping

Siemens 3RV1021-0HA10

SIEMENS- CIRCUIT BREAKER .55-.8AMP 3POLE 400-€¦

Available


Free Shipping

2 Year warranty

Part Number3RV1021-0HA10
ManufacturerSiemens
TypeContactors
Model #3RV10210HA10
Warranty2 Year

Our Repair Services

MRO Electric repairs CNCs, PLCs, Servo/Spindle Drives, Motors, Amplifiers, VFDs, HMIs, and more, most of which can be repaired in only 3-5 days.

Repair Benefits

MRO can restore your failed 3RV1021-0HA10 to remanufactured condition and save you up to 75% compared to buying new. We offer standard repair pricing to ensure you the best value for your repair.

Our certified technicians use rigorous testing procedures to ensure your parts are restored to fully functioning condition. Our team proudly stands behind all repairs by providing a minimum 2-year warranty.

Our technicians have vast experience with most manufacturers and models. In addition to this 3RV1021-0HA10 we also repair a wide range of other Siemens products, so if you don’t see the model you need, please contact us.

Core Exchange

If you are interested in getting credit for your faulty 3RV1021-0HA10, just let us know, and we can issue you an RMA to send it in as an exchange. Our exchange program provides you with savings and keeps us stocked for the next time you need anything.

  • Shipping Weight : 5lbs

Want it shipped tomorrow?

  • Order within the next 21 hours and 56 minutes.
  • If you order between 4pm and 6pm EST, you will be charged a small rush fee.

Ask about exchanging your faulty 3RV1021-0HA10 for credit when ordering from MRO Electric

MRO Electric provides a 2-year warranty on every item we sell and repair. We stand behind all of our products and guarantee them for the full 2 years. If there is an issue with any of our products within the warranty period, we will evaluate the unit and repair or replace it under warranty.

Siemens 3RV1021-0HA10 Overview

Siemens 3RV1021-0HA10 – Precision Motor Protection in a Compact Package

The Siemens 3RV1021-0HA10 is a high-precision motor protection circuit breaker (MPCB) designed to safeguard motors and electrical systems from overload, short circuit, and phase loss conditions. Rated for 0.55–0.8 amps, this 3-pole breaker is perfect for low-current motor applications that demand consistent protection and reliable switching. Supporting system voltages from 400 to 690 VAC, it ensures safe operation in a wide range of industrial environments.

Compact Size with Powerful Protection Features

Part of Siemens' trusted SIRIUS line, the 3RV1021-0HA10 combines advanced protection capabilities in a compact, space-saving form factor. Its design makes it ideal for use in control panels, motor control centers (MCCs), and distributed systems where panel real estate is limited. The device provides fast, effective disconnection in the event of overload or short circuit, helping prevent costly downtime and equipment damage.

Reliable Overload and Short Circuit Protection

This MPCB offers thermal overload protection and magnetic trip for short-circuit conditions, maintaining safe operation in both start-up and continuous load situations. The adjustable trip range of 0.55 to 0.8 amps allows it to protect small motors accurately, whether they're used in conveyors, pumps, HVAC fans, or other light-duty industrial equipment.

3-Pole Design for Three-Phase Systems

Designed for three-phase AC motor systems, the 3RV1021-0HA10's 3-pole configuration ensures balanced protection across all power lines. With a voltage rating of 400–690 VAC, it fits seamlessly into standard industrial power networks, both in North America and internationally.

Easy Installation and Integration

The 3RV1021-0HA10 features screw terminal connections and standard DIN rail mounting, allowing for quick installation and easy maintenance. It integrates effortlessly with Siemens contactors, accessories, and overload relays, helping streamline your control system build or retrofit.

Immediate Availability with Warranty and Free Shipping

The Siemens 3RV1021-0HA10 is in stock now at MRO Electric and Supply and ready for immediate shipment. When you purchase from MRO, you get more than just fast delivery—you also receive a 2-year warranty and free shipping, ensuring value, protection, and dependable service with every order.

Built for Industrial Demands

Backed by Siemens' reputation for quality and durability, this motor protection circuit breaker is built to withstand demanding environments. Whether you're a panel builder, OEM, or maintenance technician, the 3RV1021-0HA10 offers trusted protection for your small motors and sensitive loads.

Choose the Siemens 3RV1021-0HA10 for accurate motor protection, compact design, and immediate availability, supported by MRO Electric's expertise and responsive customer service.

Frequently Asked Questions

What is the Siemens 3RV1021-0HA10 used for?

It's a motor protection circuit breaker designed to protect motors from overload and short circuits in low-current applications.

What is the current range of this device?

The adjustable trip range is 0.55 to 0.8 amps, ideal for protecting small motors.

What is the voltage rating of this MPCB?

It supports 400 to 690 VAC, suitable for standard three-phase power systems.

How many poles does this breaker have?

The unit has a 3-pole configuration for three-phase motor protection.

Does it offer both overload and short-circuit protection?

Yes, it includes thermal and magnetic trip mechanisms for complete motor protection.

Is it compatible with Siemens SIRIUS accessories?

Yes, it integrates with SIRIUS contactors, signaling units, and accessories.

Can it be mounted on a DIN rail?

Yes, the breaker is DIN rail mountable for easy panel installation.

Is the Siemens 3RV1021-0HA10 in stock?

Yes, it is immediately available from MRO Electric with fast shipping.

Does it come with a warranty?

Yes, MRO Electric provides a full 2-year warranty with this product.

Is free shipping included with the order?

Yes, free shipping is offered when you order this circuit breaker from MRO Electric.

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 Siemens Products

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 3RV1021-0HA10, 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 3RV1021-0HA10 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.

5 stars

4.9 Overall Satisfaction Rating

Over 1700 Ratings from Actual Customers

Read Our Reviews

Very happy with the overall service, delivery, communication and delivery,

Conley Cooke

I needed a special drive, found it, and I was quickly assisted by Joe Kaminski. Everything was exactly as it should be....

Jack

We have an older DMU80 CNC Machine and the Handheld Control was damaged beyond repair. MRO was very helpful in confirmin...

Abbey-Purchasing Specialist