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header-product Siemens 3RH2911-1HA11 Auxiliary Contact Block, Front Mount, 1NO + 1NC
10.49 €

Siemens 3RH2911-1HA11 Auxiliary Contact Block, Front Mount, 1NO + 1NC

Siemens 3RH2911-1HA11 Auxiliary Contact Block Photo 1
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Siemens 3RH2911-1HA11 Auxiliary Contact Block, Front Mount, 1NO + 1NC

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Siemens 3RH2911-1HA11 Auxiliary Contact Block, Front Mount, 1NO + 1NC

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Short description

The Siemens 3RH2911-1HA11 is a high-quality auxiliary contact block designed for front mounting on contactors. Featuring a 1NO (normally open) and 1NC (normally closed) configuration, this component is essential for control circuit signaling and automation tasks. Built for reliability in industrial environments, it ensures seamless integration with compatible contactor series for efficient electrical switching and monitoring.
Available for order: 103 pcs.
Warranty: 2 Years
SKU: 12455737
free shipment

Cheapest delivery:

Venipak Pickup LV, Venipak Locker LV

Pick-up points

Venipak Pickup LV

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
16.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
21.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 €
Parcel couriers
Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
21.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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Payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay
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Product information

Description

The Siemens 3RH2911-1HA11 auxiliary contact block is a precision-engineered component designed for seamless integration with compatible contactors. This front-mounted device provides reliable signaling and control circuit functionality, featuring a 1NO (normally open) and 1NC (normally closed) configuration. It is built to meet the rigorous demands of industrial automation, ensuring consistent electrical switching and monitoring performance in various control applications.

Advantages

This auxiliary contact block offers exceptional reliability and durability, making it an ideal choice for demanding industrial environments. Its front-mount design allows for quick and efficient installation, saving valuable time during panel assembly or maintenance. The robust construction ensures long-term operational stability, while the precise 1NO and 1NC configuration provides the necessary flexibility for complex control circuit logic and signaling requirements.

Suitable for

  • Industrial automation control circuits
  • Electrical switching and monitoring systems
  • Integration with compatible contactor series
  • Signal feedback in control panels

When it may not be suitable

This component is specifically designed for use with compatible Siemens contactors and may not be compatible with other brands or non-specified series. It is not intended for high-power load switching and should only be used within the rated electrical parameters for auxiliary control circuits.

Key specifications

  • Configuration: 1NO (normally open) + 1NC (normally closed)
  • Mounting type: Front mount
  • Application: Control circuit signaling
  • Compatibility: Designed for specific Siemens contactor series

How to use

To install the auxiliary contact block, ensure the power supply to the contactor is disconnected. Align the block with the front mounting interface of the compatible contactor and press firmly until it snaps into place. Once secured, connect the control wires to the designated terminals according to your circuit diagram. Verify that the mechanical connection is stable before restoring power to the system.

What to consider before purchase

  • Verify compatibility with your existing contactor model
  • Ensure the 1NO + 1NC configuration meets your control logic requirements
  • Check the available space on the front of the contactor for installation
Usage recommendations: Always perform a functional test of the control circuit after installation to ensure the auxiliary contacts operate correctly in response to the contactor state.
All features
Material:
Polyamide
Product colour:
Black
Easy to install:
Yes
Mounting type:
Snap-on
Profile size:
10 x 13
Product type:
Cable entrance end fitting
Compliance certificates:
CE, RoHS

Description

Machine translation. Load original

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Customer reviews

Customer questions

FAQ

How much does the Siemens 3RH2911-1HA11 Auxiliary Contact Block cost, and is it available for purchase?

The price is 10.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 103 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 16.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All Siemens products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Siemens service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.