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
4 weeks ago
3RV2021-4EA10
Siemens 3RV2021-4EA10 available at EU Automation. Get in touch today for a quick price.
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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 3RV2021-4EA10 is a reliable and efficient circuit breaker designed for motor protection in industrial applications. This size S0 circuit breaker features a Class 10 A-release with a range of 27 to 32 A and an N-release of 400 A. Engineered for durability and performance, it comes with screw terminals for the main current circuit, ensuring secure connections. The 3RV2021-4EA10 is compatible with various conductor cross-sections, including 2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²) for solid or stranded conductors, and 2x (1 ... 2.5 mm²), 2x (2.5 ... 6 mm²), 1x 10 mm² for finely stranded conductors with core end processing. Additionally, it accommodates AWG cables for main contacts, ranging from 2x (16 ... 12) to 2x (14 ... 8). With a tightening torque of 2 to 2.5 N·m for the main contacts and a Pozidriv size 2 screwdriver tip, this circuit breaker ensures a secure and stable installation. The 3RV2021-4EA10 offers safety-related data, including a B10 value of 5,000 with a high demand rate according to SN 31920, and a T1 value for proof test interval or service life of 10 years as per IEC 61508. The front protection class is IP20, providing finger-safe touch protection for vertical contact from the front. The switching status is easily visible through the handle display. Trust the Siemens 3RV2021-4EA10 circuit breaker for dependable motor protection in your industrial applications.
| Specification | Description |
|---|---|
| Part Number | 3RV2021-4EA10 |
| Alternative Part Number | 3RV20214EA10 |
| Manufacturer | Siemens |
| Dimensions | Height: 97 mm, Width: 45 mm, Depth: 97 mm |
| Required Spacing | Varies depending on voltage and grounded/live parts (see datasheet) |
| Electrical Connection | Screw-type terminals for main current circuit |
| Connectable Conductor Types | Solid, stranded, finely stranded with core end processing, AWG cables |
| Tightening Torque | 2 - 2.5 N·m for main contacts with screw-type terminals |
| Screwdriver Shaft Diameter | 5 to 6 mm |
| Screwdriver Tip Size | Pozidriv size 2 |
| Connection Screw Thread | M4 for main contacts |
| B10 Value | 5,000 with high demand rate according to SN 31920 |
| Dangerous Failures Proportion | 50% with low and high demand rate according to SN 31920 |
| Failure Rate | 50 FIT with low demand rate according to SN 31920 |
| T1 Value | 10 years for proof test interval or service life according to IEC 61508 |
| Protection Class IP | IP20 on the front according to IEC 60529 |
| Touch Protection | Finger-safe, for vertical contact from the front according to IEC 60529 |
| Switching Status Display | Handle |
What is the main function of this Siemens circuit breaker?
The Siemens 3RV2021-4EA10 is a circuit breaker size S0 for motor protection. It features a CLASS 10 A-release with a range of 27 to 32 A and an N-release of 400 A. It comes with screw terminals and a standard switching capacity.
What are the dimensions of this circuit breaker?
The dimensions of the Siemens 3RV2021-4EA10 circuit breaker are 97 mm in height, 45 mm in width, and 97 mm in depth.
What type of electrical connection does this circuit breaker have?
The Siemens 3RV2021-4EA10 circuit breaker has screw-type terminals for the main current circuit.
What are the tightening torque specifications for the main contacts?
The tightening torque for the main contacts with screw-type terminals on the Siemens 3RV2021-4EA10 circuit breaker is 2 to 2.5 N·m.
What type of screwdriver is required for the connection screws?
For the Siemens 3RV2021-4EA10 circuit breaker, a screwdriver with a shaft diameter of 5 to 6 mm and a Pozidriv 2 tip is required.
What is the B10 value and proportion of dangerous failures for this circuit breaker?
The Siemens 3RV2021-4EA10 circuit breaker has a B10 value of 5,000 with a high demand rate according to SN 31920. The proportion of dangerous failures is 50% for both low and high demand rates.
What is the protection class and touch protection on the front of this circuit breaker?
The Siemens 3RV2021-4EA10 circuit breaker has a protection class IP20 on the front according to IEC 60529. It also features finger-safe touch protection for vertical contact from the front.
- Motor protection in industrial applications
- Overload and short-circuit protection for electrical circuits
- Integration in motor control centers and control panels
- Use in conveyor systems, pumps, and fans
- Protection of HVAC systems and compressors
- Ensuring safety in manufacturing and processing plants
- Backup protection for transformers and capacitor banks
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.
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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!
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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!
2 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
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