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
3RH2122-2BB40
Siemens 3RH2122-2BB40 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.
| Specification | Description |
|---|---|
| Part Number | 3RH2122-2BB40 |
| Alternative Part Number | 3RH21222BB40 |
| Manufacturer | Siemens |
| Insulation Voltage | With degree of pollution 3 at AC rated value 690 V |
| Surge Voltage Resistance | Rated value 6 kV |
| Protection Class IP | On the front IP20 |
| Shock Resistance | At DC 10g / 5 ms, 5g / 10 ms |
| Mechanical Service Life | Typical 30,000,000 switching cycles |
| Installation Altitude | Maximum 2,000 m above sea level |
| Ambient Temperature | During operation -25 to +60 °C, during storage -55 to +80 °C |
| Control Supply Voltage at DC | Rated value 24 V |
| Number of NC Contacts for Auxiliary Contacts | 2 instantaneous contacts |
| Number of NO Contacts for Auxiliary Contacts | 2 instantaneous contacts |
| Operating Current at AC-12 | Maximum 10 A |
| Operating Current at AC-15 | At 230 V rated value 10 A, at 400 V rated value 3 A |
The Siemens 3RH2122-2BB40 is a robust and reliable contactor relay, designed to withstand a wide range of operating conditions. With an insulation voltage of 690 V and surge voltage resistance of 6 kV, it offers excellent protection against electrical disturbances. The device is rated IP20 for front protection, ensuring safety in various environments. It boasts a mechanical service life of 30 million switching cycles, demonstrating its durability. The contactor relay can be installed up to 2,000 m above sea level and operates efficiently between -25 to +60 °C. It uses a control supply voltage of 24 V DC. The 3RH2122-2BB40 features 2 NC and 2 NO instantaneous contacts for auxiliary contacts, and can handle an operating current of up to 10 A at AC-12 and AC-15 at 230 V, and 3 A at 400 V. This Siemens contactor relay is a high-quality choice for your automation needs.
What is the size of the contactor?
The Siemens 3RH2122-2BB40 is a size S00 contactor.
Does this part come with an auxiliary switch?
Yes, the Siemens 3RH2122-2BB40 comes with an auxiliary switch.
What is the insulation voltage of this part?
The insulation voltage of the Siemens 3RH2122-2BB40 with degree of pollution 3 is rated at 690V.
What is the protection class IP of this part?
The Siemens 3RH2122-2BB40 has a protection class IP on the front of IP20.
What is the shock resistance of this part?
The Siemens 3RH2122-2BB40 has a shock resistance at rectangular impulse at DC of 10g / 5 ms, 5g / 10 ms and at sine pulse at DC of 15g / 5 ms, 8g / 10 ms.
What is the mechanical service life of this part?
The Siemens 3RH2122-2BB40 has a mechanical service life of 30,000,000 switching cycles.
What is the control supply voltage at DC?
The control supply voltage at DC for the Siemens 3RH2122-2BB40 is rated at 24V.
What is the number of NC and NO contacts for auxiliary contacts?
The Siemens 3RH2122-2BB40 has 2 NC contacts and 2 NO contacts for auxiliary contacts.
What is the operating current at AC-12 maximum?
The operating current at AC-12 maximum for the Siemens 3RH2122-2BB40 is 10A.
What is the operating current at AC-15 at 230V and 400V rated value?
The operating current at AC-15 for the Siemens 3RH2122-2BB40 is 10A at 230V rated value and 3A at 400V rated value.
- Control and regulation of electrical circuits in industrial automation systems
- Switching of auxiliary and control circuits in machinery
- Use in control panels for reliable operation of connected devices
- Integration in motor control systems for safe and efficient operation
- Application in conveyor systems for smooth and controlled operation
- Use in HVAC systems for effective control and regulation
- Implementation in safety circuits to ensure safe operation of machinery
- Use in power distribution systems for reliable switching operations
- Application in lighting control systems for efficient operation
- Integration in pump control systems for optimal performance.
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.
5 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.