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3RV2021-4CA10

2-year Warranty

Same Day Shipping

Siemens 3RV2021-4CA10

CONTACTOR MOTOR PROTECTION, A-RELEASE, 16-22 AMP, N-RELEASE, SIZE S0, CLASS 10, SCREW TERMINAL, STANDARD SWITCHING CAPACITY

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2 Year warranty

Part Number3RV2021-4CA10
ManufacturerSiemens
TypeContactors
Model #3RV20214CA10
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 3RV2021-4CA10 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 3RV2021-4CA10 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 3RV2021-4CA10, 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.

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Ask about exchanging your faulty 3RV2021-4CA10 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 3RV2021-4CA10 Overview

Overview of the SIRIUS 3RV2021-4CA10 Circuit Breaker

The Siemens SIRIUS 3RV2021-4CA10 is a robust and versatile circuit breaker, part of the extensive SIRIUS modular system, designed specifically for motor protection. It offers a seamless blend of reliability and performance, encapsulating advanced features within its compact frame of size S0. Its class 10 trip characteristic and precision in motor protection are just a few attributes that make this circuit breaker a quintessential component for industrial applications.

Technical Specifications

Construction and Capabilities

The SIRIUS 3RV2021-4CA10 circuit breaker operates within a size S0 footprint and is compatible with S00 contactor sizes for company-specific combinations. The device’s trip class is 10, indicating a rapid response to overcurrent conditions typically within 10 seconds to prevent motor damage.

This circuit breaker is designed to handle adjustable pick-up currents ranging from 16 to 22 amperes, with the non-delayed short-circuit release fixed at 286 amperes. The main circuit is composed of three poles and is rated for operating voltages up to 690 volts, suitable for a variety of industrial setups.

Durability and Environmental Resistance

The mechanical and electrical endurance of the SIRIUS 3RV2021-4CA10 is marked at an impressive 100,000 cycles for both main and auxiliary contacts, suggesting a long service life. It boasts shock resistance according to IEC standards and can operate effectively at altitudes up to 2000 meters above sea level. The ambient operational temperatures range from -20 to +60 °C, indicating the circuit breaker’s ability to withstand harsh environmental conditions.

Protection Features

With an IP20 protection class, the circuit breaker's front and terminal areas are safeguarded against touch and foreign objects. Its thermal design for overload release, combined with a magnetic short-circuit trip, ensures that the device operates safely and reliably, minimizing the risk of electrical hazards.

The SIRIUS 3RV2021-4CA10 offers increased safety features, including finger-safe protection, and complies with safety regulations that allow it to be marked for equipment according to DIN EN 81346-2.

Installation and Mounting

The circuit breaker can be mounted in any position and accommodates both screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 60715. Its compact dimensions (97 mm height, 45 mm width, and 96 mm depth) require minimal space, while the clearances for side-by-side mounting and distances from grounded and live parts are defined for safety and ease of installation.

Connectivity and Approvals

This model features screw-type terminals for main current circuits, ensuring secure and reliable connections. It can accommodate a variety of conductor cross-sections, both solid and finely stranded, with specific AWG sizes detailed for compatibility.

The circuit breaker carries a host of approvals, including CE, and can be verified for ATEX suitability upon request. It is also rated and suitable for use with UL/CSA standards, providing a level of assurance for global applications.

Conclusion

The Siemens SIRIUS 3RV2021-4CA10 circuit breaker is a high-performance solution for motor protection, offering precise tripping, endurance, and versatile installation options. Its safety features and compliance with international standards make it an excellent choice for protecting motors and electrical installations in a variety of industrial environments.

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 3RV2021-4CA10, 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 3RV2021-4CA10 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.

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