steve
Got hold of Sime for a Carrier card for…
Got hold of Sime for a Carrier card for a chiller. Machine down in a factory. Received the new card in express time machine and plant now up and running fantastic service form Sime
1 month ago
3RV2021-4AA20
Siemens 3RV2021-4AA20 available at EU Automation. Get in touch today for a quick price.
Based on over 4900 reviews
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
All orders are subject to product availability. See our T&Cs.
Ask our team
What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Siemens 3RV2021-4AA20 is a robust circuit breaker designed for industrial applications requiring reliable protection against overloads and short circuits. This three-pole device is engineered to handle a maximum operating voltage of 690 V ac, making it suitable for a wide range of electrical systems. With a 16 A current rating, it ensures safe operation of motors and other electrical equipment by interrupting power in the event of a fault.
Featuring a DIN Rail mount design, the 3RV2021-4AA20 allows for quick and easy installation within control cabinets, streamlining the setup process in various industrial environments. The circuit breaker is equipped with a magnetic short-circuit trip mechanism, ensuring rapid response to fault conditions and minimising potential damage to connected equipment.
The compact dimensions of this circuit breaker, with a width of only 45 mm, make it an efficient choice for space-constrained applications. It also boasts a mechanical service life of 100,000 switching cycles, indicating a long-lasting and durable performance.
Designed with safety in mind, the 3RV2021-4AA20 has an IP20 protection rating, providing a degree of protection against solid objects and ensuring the safety of personnel during operation and maintenance. Its compliance with international standards, including ATEX certification for increased safety, underscores its suitability for use in demanding industrial settings.
Overall, the Siemens 3RV2021-4AA20 circuit breaker is a reliable and efficient solution for protecting electrical circuits in a variety of industrial applications, offering both performance and peace of mind.
Featuring a DIN Rail mount design, the 3RV2021-4AA20 allows for quick and easy installation within control cabinets, streamlining the setup process in various industrial environments. The circuit breaker is equipped with a magnetic short-circuit trip mechanism, ensuring rapid response to fault conditions and minimising potential damage to connected equipment.
The compact dimensions of this circuit breaker, with a width of only 45 mm, make it an efficient choice for space-constrained applications. It also boasts a mechanical service life of 100,000 switching cycles, indicating a long-lasting and durable performance.
Designed with safety in mind, the 3RV2021-4AA20 has an IP20 protection rating, providing a degree of protection against solid objects and ensuring the safety of personnel during operation and maintenance. Its compliance with international standards, including ATEX certification for increased safety, underscores its suitability for use in demanding industrial settings.
Overall, the Siemens 3RV2021-4AA20 circuit breaker is a reliable and efficient solution for protecting electrical circuits in a variety of industrial applications, offering both performance and peace of mind.
| Specification | Description |
|---|---|
| Part Number | 3RV2021-4AA20 |
| Alternative Part Number | 3RV20214AA20 |
| Manufacturer | Siemens |
| Type | Circuit Breaker |
| Rated Current | 16 A |
| Rated Voltage | 690 V ac |
| Mounting Type | DIN Rail Mount |
| Short Circuit Breaking Capacity | 2 kA |
| Number of Poles | 3 Poles |
| Terminal Type | Spring-loaded terminals |
| Electrical Endurance | 100,000 switching cycles typical |
| Mechanical Service Life | 100,000 switching cycles typical |
| Ambient Operating Temperature Range | -20...+60 °C |
| Installation Altitude | Up to 2,000 m above sea level |
| Relative Humidity | 10...95 % during operation |
| Protection Type | Increased safety, finger-safe |
| Certificate of Suitability | ATEX |
| Compliance | CE, UL, CSA |
| Product Approvals | For use in hazardous locations |
| Tripping Characteristics | Adjustable pick-up value current of the current-dependent overload release 10...16 A |
What type of device is this circuit breaker suitable for?
The Siemens circuit breaker is suitable for protecting electrical circuits from overloads and short circuits in industrial, commercial, and residential applications. It's designed for DIN rail mounting and can be used in a variety of devices that require circuit protection up to 16 A and 690 V ac.
Can this circuit breaker be used in hazardous locations?
Yes, this circuit breaker has been designed with safety in mind and has approvals for use in certain hazardous locations. It's important to check the specific certifications and standards it meets for your particular application.
What is the interrupting capacity of this circuit breaker?
This circuit breaker has an interrupting capacity of 2 kA, which indicates its ability to safely disrupt a short-circuit current without damage.
How many poles does this circuit breaker have?
This circuit breaker is a 3-pole device, which means it can be used to protect three-phase circuits.
What is the operating temperature range for this circuit breaker?
The operating temperature range for this circuit breaker is from -20°C to +60°C, ensuring reliable performance across a wide range of environmental conditions.
What type of terminals does this circuit breaker have?
This circuit breaker is equipped with spring-loaded terminals for the main current circuit, providing a secure and maintenance-free connection.
Is there a need for additional spacing when installing this circuit breaker?
When installing this circuit breaker, it's recommended to maintain a spacing of 50 mm upwards and downwards, and 30 mm at the side for live parts at 690 V to ensure safe operation and adequate ventilation.
What is the mechanical service life of this circuit breaker?
The mechanical service life of this circuit breaker is typically 100,000 switching cycles for both the main and auxiliary contacts, indicating its durability and longevity.
Does this circuit breaker offer short-circuit protection?
Yes, this circuit breaker includes a magnetic short-circuit trip feature, providing reliable protection against short-circuit conditions.
What is the tripping characteristic of this circuit breaker?
The tripping characteristic of this circuit breaker is designed to respond to current-dependent overloads, with an adjustable pick-up value current ranging from 10 to 16 A.
- Protection of electrical circuits against overload and short-circuit currents
- Motor protection for preventing motor damage due to excessive current
- Use in control panels for industrial machinery and plant equipment
- Integration into motor starter combinations for comprehensive motor control
- Installation in distribution boards for circuit management and safety
- Application in HVAC systems for safeguarding compressors and fans
- Utilisation in conveyor systems to protect motors and associated electrical components
- Implementation in manufacturing automation for protecting critical process equipment
- Deployment in renewable energy systems to protect inverters and other sensitive electronics
- Use in commercial buildings for electrical circuit management and safety
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Delivery
- Logistic partners UPS, FedEx and DHL
- International delivery available
- Premium nine hour delivery service available to anywhere in Europe
- Same day dispatch from group stock
Warranty
All parts new or reconditioned are covered by EU Automation 12 month warranty
Returns
No hassle returns policy
Dedicated customer support team
Payment
Trade CreditWe understand that credit is a necessary part of business and offer credit agreements on request, subject to status.
Payment optionsWe accept Bank transfers and the following methods of payment:
All transactions are handled securely by HSBC and HSBC Merchant Services. For more information, please visit our dedicated payments page.
Services
Sourcing your part
Global supplier of quality automation and control components
Service Exchange
Dispose of your old unit by exchanging it for a working part.
Repair
A comprehensive repair service for faulty equipment.
Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
2 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
3 months ago
Paulo Pereira
Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
3 months ago
Gary
Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
3 months ago
Lessle Smith
Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
4 months ago
Our world, made possible by manufacturing. Manufacturing made possible by EU Automation.
Discover how we do our part to keep your production lines moving.