steve
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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
3RV2021-4NA10
Siemens 3RV2021-4NA10 available at EU Automation. Get in touch today for a quick price.
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Full 12-month warranty
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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 3RV2021-4NA10 is a reliable and efficient circuit breaker designed for motor protection in various industrial applications. This size S0 circuit breaker offers a compact and robust solution for safeguarding motors and preventing damage caused by short circuits, overloads, and phase failures. With a screw and snap-on mounting system, it easily attaches to a 35 mm standard mounting rail according to DIN EN 60715. The 3RV2021-4NA10 features a height of 97 mm, width of 45 mm, and depth of 97 mm, ensuring a minimal footprint in your control panel. Its screw-type terminals provide secure connections for main current circuits, accommodating a range of conductor cross-sections. Trust the Siemens 3RV2021-4NA10 circuit breaker to deliver consistent motor protection and enhance the safety and performance of your industrial equipment.
| Specification | Description |
|---|---|
| Part Number | 3RV2021-4NA10 |
| Alternative Part Number | 3RV20214NA10 |
| Manufacturer | Siemens |
| Category | Circuit Breakers |
| Size | S0 |
| Motor Protection | Yes |
| Rated Current | Adjustable from 28 A to 40 A |
| Rated Operational Voltage | Up to 690 V AC |
| Rated Insulation Voltage | 690 V |
| Rated Frequency | 50/60 Hz |
| Short Circuit Breaking Capacity | 100 kA at 400 V AC (Icu) |
| Trip Class | 10 |
| Number of Poles | 3 |
| Mounting Type | Screw Mounting |
| Terminal Type | Screw Terminals |
| Operating Temperature Range | -25 °C to +60 °C |
| Certifications | CE, UL, CSA, KTL |
Please note that this table is for informational purposes only and should be verified with the manufacturer's datasheet before making any decisions based on the provided information.
What is the main function of this circuit breaker?
The Siemens 3RV2021-4NA10 is a circuit breaker size S0 designed for motor protection. It helps protect motors from overloads, short circuits, and phase failures.
What are the dimensions of this circuit breaker?
The dimensions of the 3RV2021-4NA10 circuit breaker are 97 mm in height, 45 mm in width, and 97 mm in depth.
What type of mounting is used for this circuit breaker?
The 3RV2021-4NA10 circuit breaker uses screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 60715.
What are the connection types for the main current circuit?
The 3RV2021-4NA10 circuit breaker features screw-type terminals for the main current circuit, with electrical connectors arranged at the top and bottom.
What is the tightening torque for the main contacts?
The tightening torque for the main contacts with screw-type terminals on the 3RV2021-4NA10 circuit breaker is 2 to 2.5 N·m.
What is the B10 value for this circuit breaker?
The B10 value for the 3RV2021-4NA10 circuit breaker with a high demand rate according to SN 31920 is 5,000.
What is the failure rate for this circuit breaker?
The failure rate for the 3RV2021-4NA10 circuit breaker is 50% with both low and high demand rates according to SN 31920.
- Motor protection in industrial applications
- Overload and short-circuit protection for motors
- Integration into motor control systems
- Use in control panels for machinery and equipment
- Protection of pumps, fans, and compressors
- Ensuring safe operation of conveyor systems
- HVAC system protection and control
- Automation system integration for process control
- Backup protection for transformers and capacitors
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.
3 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
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