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
3 months ago
3RV2021-4EA20
Siemens 3RV2021-4EA20 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 3RV2021-4EA20 is a reliable and efficient circuit breaker designed for motor protection in industrial applications. This size S0 circuit breaker features a Class 10 trip class, with an adjustable response current of 27 to 32A for the current-dependent overload release. It has a maximum operating voltage of 690V at 3 AC and a rated operating current of 29A at AC-3 and 400V. The 3RV2021-4EA20 is equipped with a thermomagnetic overcurrent release and short-circuit release, providing enhanced safety and protection for your equipment. With a compact design, this circuit breaker can be easily installed in any orientation and is compatible with both screw and snap-on mounting onto a 35mm standard mounting rail according to DIN EN 60715. The spring-loaded terminals ensure secure and reliable electrical connections for the main current circuit. Trust the Siemens 3RV2021-4EA20 circuit breaker for dependable motor protection in your industrial automation systems.
| Specification | Description |
|---|---|
| Part Number | 3RV2021-4EA20 |
| Alternative Part Number | 3RV20214EA20 |
| Manufacturer | Siemens |
| Product Brand Name | SIRIUS |
| Product Designation | 3RV2 Circuit Breaker |
| Size | S0 |
| Trip Class | CLASS 10 |
| Protection Class IP (Frontal) | IP20 |
| Degree of Pollution | 3 |
| Maximum Installation Altitude (m) | 2,000 |
| Ambient Temperature (Operating) | -20°C to 60°C |
| Insulation Voltage (Rated Value) | 690V |
| Real Loss Power (Total, Typical) | 10W |
| Mechanical Switching Cycle (Typical) | 100,000 |
| Overload Protection | Yes |
| Phase Disturbance Recognition | Yes |
| Number of Poles (Main Circuit) | 3 |
| Operating Voltage (3 AC, Max) | 690V |
| Operating Current (AC-3, 400V) | 29A |
| Adjustable Response Current | 27A to 32A |
| Continuous Current (Rated Value) | 32A |
| Breaking Capacity (Short-Circuit) | 55,000A at 400V, 10,000A at 500V, 4,000A at 690V |
| Overcurrent and Short-Circuit Design | Thermomagnetic |
| Mounting Orientation | Any |
| Fixation Type | Screw and Snap-On Mounting |
| Width (mm) | 45 |
| Height (mm) | 119 |
| Depth (mm) | 91 |
What is the size of the circuit breaker?
The Siemens 3RV2021-4EA20 circuit breaker is size S0.
What is the trip class of this circuit breaker?
The trip class of the Siemens 3RV2021-4EA20 circuit breaker is CLASS 10.
What is the protection class IP for the front side?
The Siemens 3RV2021-4EA20 circuit breaker has a protection class IP20 for the front side.
What is the maximum altitude for installation?
The Siemens 3RV2021-4EA20 circuit breaker can be installed at a maximum altitude of 2,000 meters above sea level.
What is the operating temperature range?
The Siemens 3RV2021-4EA20 circuit breaker has an operating temperature range of -20°C to 60°C.
What type of electrical connection does this circuit breaker have?
The Siemens 3RV2021-4EA20 circuit breaker has spring-loaded terminals for the main current circuit.
What is the adjustable response current range?
The adjustable response current range of the Siemens 3RV2021-4EA20 circuit breaker is 27 to 32 A.
What is the breaking capacity limit short-circuit current (lcu) at 400 V?
The breaking capacity limit short-circuit current (lcu) of the Siemens 3RV2021-4EA20 circuit breaker at 400 V is 55,000 A.
What is the design of the overcurrent release and short-circuit release?
The Siemens 3RV2021-4EA20 circuit breaker has a thermomagnetic design for the overcurrent release and short-circuit release.
What type of fixing or fixation does this circuit breaker have?
The Siemens 3RV2021-4EA20 circuit breaker has screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 60715.
- Motor protection in industrial automation systems
- Overload protection for motors in manufacturing plants
- Circuit breaker for motor control centers
- Protection of motors in HVAC systems
- Pump and fan motor protection in water treatment facilities
- Conveyor system motor protection in material handling applications
- Compressor motor protection in refrigeration systems
- Elevator and escalator motor protection in commercial buildings
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.
5 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!
5 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!
5 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.
6 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!
6 months ago
Be a Factory Hero.
Get parts fast.
You don’t need tights and a cape to be a hero.
Get parts fast and feel like a legend, just like Jeff.