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.
Based on over 4900 reviews
Full 12-month warranty
Available for dispatch immediately
We deliver worldwide
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2. Dedicated Account Manager
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3. Your quote
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All orders are subject to product availability. See our T&Cs.
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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 an adjustable range of 27 to 32 A and a N-release of 400 A. Engineered for durability and safety, it is equipped with screw terminals for secure connections in the main current circuit. The 3RV2021-4EA10 offers top and bottom electrical connectors and is compatible with various conductor cross-sections, including 2x (1 ... 2.5 mm²), 2x (2.5 ... 10 mm²), and AWG cables. With a compact design and a user-friendly handle for easy switching status display, this Siemens circuit breaker is an essential component for maintaining optimal motor performance and protection in your industrial automation systems.
| Specification | Description |
|---|---|
| Part Number | 3RV2021-4EA10 |
| Alternative Part Number | 3RV20214EA10 |
| Manufacturer | Siemens |
| Dimensions (H x W x D) | 97 mm x 45 mm x 97 mm |
| Required Spacing | Varies depending on voltage (see datasheet for details) |
| Electrical Connection | Screw-type terminals for main current circuit |
| Connectable Conductor Types | Solid or 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 |
| 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 |
| Switching Status Display | Handle |
What is the size of the Siemens circuit breaker?
The Siemens 3RV2021-4EA10 circuit breaker has a height of 97 mm, width of 45 mm, and depth of 97 mm.
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 connectable conductor cross-sections for the main contacts?
For the Siemens 3RV2021-4EA10 circuit breaker, the connectable conductor cross-sections for the main contacts are 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.
What is the tightening torque for the main contacts?
The tightening torque for the main contacts with screw-type terminals in the Siemens 3RV2021-4EA10 circuit breaker is 2 to 2.5 N·m.
What is the protection class IP on the front of the circuit breaker?
The Siemens 3RV2021-4EA10 circuit breaker has a protection class IP20 on the front according to IEC 60529.
What is the B10 value for this circuit breaker?
The B10 value for the Siemens 3RV2021-4EA10 circuit breaker with a high demand rate according to SN 31920 is 5,000.
What is the T1 value for proof test interval or service life?
The T1 value for proof test interval or service life for the Siemens 3RV2021-4EA10 circuit breaker according to IEC 61508 is 10 years.
- Motor protection in industrial applications
- Overload and short-circuit protection for electrical circuits
- Machinery safety in manufacturing plants
- Pump and fan control in HVAC systems
- Conveyor system protection in material handling
- Compressor protection in refrigeration systems
- Protection of motors in water treatment plants
- Elevator and escalator control systems
- Backup power supply protection in data centers
- Generator and transformer protection in power distribution networks
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!
2 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!
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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