Siemens SIRIUS Contactor Relay 3RH2122-2VB40

Product Description

This Siemens SIRIUS contactor relay 3RH2122-2VB40 is an essential component for reliable switching of control circuits in industrial automation systems.

Product Specifications

- Manufacturer: Siemens
- Part Number: 3RH2122-2VB40
- Product Type: Contactor Relay
- Series: SIRIUS 3RH2
- Coil Voltage: 24V DC (Operating range 21...44V)
- Contact Configuration: 2 NO + 2 NC
- Switching Capacity (AC-15): 10 A at 230 V
- Size: S00
- Terminal Type: Screw terminals

Product Label Info

Model Code / Product Markings: 3RH2122-2VB40

GTIN-13: 4011209844025

Application

Ideal for use in control panels, machinery, and various automation applications where dependable auxiliary contact switching is required.

Country of Origin

This product is manufactured in Germany.

Method of Application

Designed for durability and precision, part of the SIRIUS modular system for flexible integration and expansion.

Safety Instructions

Ensure proper handling and follow installation guidelines for secure and straightforward wiring.

Availability

Order now from PLC2Day, items in stock and ready for fast worldwide delivery.

Need urgent and express delivery, sourcing, or repairs? Contact us now.

Documentation

• Official datasheet or product page Siemens

Resources

Additional resources and manuals are available upon request. Contact us for details.

Internal & External Links

• All products from Siemens
• Explore similar products in Automation

Frequently Asked Questions

What is the Siemens SIRIUS Contactor Relay 3RH2122-2VB40 used for?

This part is typically used in industrial automation systems for reliable control circuit switching.

What are the key advantages of Siemens SIRIUS Contactor Relay 3RH2122-2VB40?

It offers durability, precision, and energy efficiency for various automation applications.

Is 3RH2122-2VB40 compatible with my system?

If you're using Siemens control systems, especially the SIRIUS series, then this model will likely be compatible. Contact us to verify.

Alternatives to 3RH2122-2VB40

Consider other Siemens contactor relays with similar specifications for your automation needs.

Can I sell my surplus stock to PLC2DAY?

Yes, PLC2DAY accepts surplus stock for recovery or resale. Contact us for more information.

Need Help?

Call us at +31(0)165 20 11 80 or get in touch online.

Last Update: 24/12/2025

PLC2DAY is not an authorized distributor of the products listed. Product names, trademarks, and logos belong to their respective owners. Our listings are for identification purposes only and do not imply affiliation or authorization.