Need More Details?
If you’d like to check stock availability, request the latest price, or view more product images, simply click the "Request for Price" button and our team will assist you promptly.
Siemens Bloco contactos auxiliares 3NA+1NF Tam.S00 montagem frontal DIN EN 50005 3RH1911-1FA31 is a high-quality front-mounted auxiliary contact block designed for reliable signal switching and control circuit expansion in industrial automation systems. Manufactured by Siemens under the SIRIUS 3RH19 series, this accessory provides additional auxiliary contacts (3 normally open and 1 normally closed) for use with contactors and control relays. It is widely used in motor control centers (MCC), switchgear panels, and automation systems where flexible contact configuration, reliable feedback signaling, and compact modular design are required. Its snap-on front mounting system ensures quick installation and secure electrical connection in demanding industrial environments.
Key Features:
Front-mounted auxiliary contact block for Siemens SIRIUS contactors and relays
Provides 3NO + 1NC auxiliary contact configuration for flexible control circuits
DIN EN 50005 standardized design for compatibility and safe installation
Compact snap-on modular construction for fast mounting and replacement
High reliability for signaling, interlocking, and control applications
Siemens engineering ensuring long service life and stable switching performance
Specifications:
Product Name: Siemens Bloco contactos auxiliares 3NA+1NF Tam.S00 montagem frontal DIN EN 50005 3RH1911-1FA31
Part Number: 3RH1911-1FA31
Product Type: Auxiliary contact block
Series: Siemens SIRIUS 3RH19
Contact Configuration: 3 NO + 1 NC
Mounting Type: Front mounting (snap-on)
Size: S00
Connection Standard: DIN EN 50005
Application: Motor control centers, industrial automation, control panels, signaling and interlocking circuits
Compatibility: Siemens SIRIUS contactors and control relays (S00 size systems)
Electrical Use: Low-voltage auxiliary switching systems
Brand: Siemens
The Siemens 3RH1911-1FA31 auxiliary contact block delivers reliable switching performance, efficient control circuit expansion, and long-term durability for industrial applications. Built with Siemens’ trusted engineering excellence, it ensures safe operation, consistent signaling, and dependable performance in modern automation systems. For genuine Siemens industrial automation components, contact Ram Automations at info@ramautomations.com for dependable supply and support.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
