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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RV2021-4BA20 |
| Alternative Part Number | 3RV20214BA20 |
| Manufacturer | Siemens |
| Product Type | Motor Protection Circuit Breaker |
| Poles | 3 Poles |
| Rated Current | 20 A |
| Rated Voltage | 690 V ac |
| Short Circuit Breaking Capacity | 100 kA |
| Magnetic Trip | Yes |
| Dimensions | 45 x 119 x 96.8 mm |
| Terminal Type | Spring-type terminal |
| Mounting | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 60715 |
| Protection Class | IP20 on the front according to IEC 60529 |
| Touch Protection | Finger-safe, for vertical contact from the front |
| Operating Current for Three-phase Squirrel Cage Motors | At 480 V: 14 A |
| UL/CSA Ratings | Mechanical performance (hp) for three-phase squirrel cage motors: 10 hp at 460/480 V |
| Certificates/Approvals | General Product Approval, KC, Declaration of Conformity, Test Certificates |
The Siemens 3RV2021-4BA20 is a robust motor protection circuit breaker designed to safeguard motors in industrial applications. This three-pole device is engineered to provide both overload and short-circuit protection, ensuring reliable operation and longevity of motor systems. With a Class 10 trip characteristic, it offers a quick response to system overloads, tripping in the event of current surges between 14 to 20 amperes, which is ideal for a wide range of motor sizes.
The circuit breaker features a compact design, measuring 45 x 119 x 96 mm, making it suitable for installation in space-constrained environments. Its spring-loaded terminal connections facilitate a secure and maintenance-friendly wiring process, contributing to a streamlined setup. Rated for use up to 690 V ac and with a high breaking capacity of 100 kA, the 3RV2021-4BA20 is equipped to handle demanding industrial conditions.
This device is also designed with user safety in mind, boasting a finger-safe construction and an IP20 protection rating on the front, which guards against the ingress of solid objects and enhances operational safety. The circuit breaker's durability is further evidenced by its mechanical endurance, capable of withstanding numerous operating cycles without compromise to its performance.
The Siemens 3RV2021-4BA20 motor protection circuit breaker is a reliable choice for industrial professionals seeking a high-quality solution to protect their motor-driven equipment from electrical hazards.
Commonly Asked Questions
Is my order covered by a warranty?
Marvo provides a full 12-month warranty on all products, whatever the condition. For your peace of mind, all parts are ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. If you are unhappy with the part(s) you received and would like to request a return, you can do so by completing our quick and easy online form. Once we have received your Returns Request, a member of the team will be in touch to discuss this further with you. You can read more about our warranty policy here.
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Read more...Is Marvo a credible parts supplier?
Marvo is a highly credible supplier of industrial automation parts and components with dedicated hubs around the world offering industry-leading products and services. Marvo is committed to providing a quick, easy and reliable place to source your automation and control components. All purchases come as standard with a comprehensive 12-month return to base warranty meaning that, in just a few clicks, you can source critical parts more seamlessly than ever before. Click here to read an article on how Marvo is redefining convenience for automation and manufacturing professionals.
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Marvo takes pride in product quality and has put several measures in place to assure high levels of quality standards. For your peace of mind, all parts have been ‘Marvo Approved’ which means that they have been tested and checked to ensure that they are in working condition. Redefine convenience and secure priority delivery on all parts along with a comprehensive 12-month warranty. This is the smart new way to buy automation and control components.
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Our service to you
Lightning-Fast Express Shipping: Receive your order in record time with our express shipping options, ensuring you minimize downtime and keep your projects on track.
No-Risk Returns, Guaranteed: Return your parts anytime for a full refund. Our hassle-free return policy ensures you’re never stuck with something you don’t need.
Clear Pricing with No Hidden Fees: What you see is what you pay, transparent pricing with no extra costs, ever. Rest assured, all taxes and fees are already included in your final price.
Rock-Solid Reliability at a Fraction of the Cost: Get pre-owned electronic parts that are fully tested for peak performance, saving you money without compromising on quality, backed by a comprehensive warranty.
Frequently Asked Questions
What is the purpose of this motor protection circuit breaker?
This motor protection circuit breaker is designed to safeguard motors from overloads, short circuits, and phase failures. It provides reliable protection and is suitable for a variety of industrial applications.
Can this circuit breaker be used for three-phase motor protection?
Yes, it is a three-pole breaker specifically designed for the protection of three-phase motors.
What is the trip class of this circuit breaker?
The circuit breaker has a trip class of 10, which means it will trip within 10 seconds under certain conditions of overload.
What is the maximum operational voltage for this device?
The maximum operational voltage for this circuit breaker is 690 V ac.
What are the dimensions of this circuit breaker?
The dimensions of the circuit breaker are 45 x 119 x 96.8 mm.
What type of terminal does this circuit breaker have?
This circuit breaker is equipped with spring-type terminals for secure and reliable connections.
Is this circuit breaker suitable for use in hazardous locations?
No, this circuit breaker is not rated for use in hazardous locations.
What is the rated short-circuit breaking capacity of this circuit breaker?
The rated short-circuit breaking capacity of this circuit breaker is 100 kA.
Does this circuit breaker have a manual or automatic reset function?
This circuit breaker is manually resettable, allowing for user intervention when a trip occurs.
What is the range of the adjustable overload protection?
The adjustable overload protection range for this circuit breaker is 13 to 20 A.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
New sealed: The product is sealed in its original packaging. It has never been opened or used, ensuring that it's in an untouched state.
New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
