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header-product Siemens 3RH2911-1HA10 Auxiliary Contact Block for 3RT2.1 and 3RT2.2 Contactors
9.49 €

Siemens 3RH2911-1HA10 Auxiliary Contact Block for 3RT2.1 and 3RT2.2 Contactors

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Siemens 3RH2911-1HA10 Auxiliary Contact Block for 3RT2.1 and 3RT2.2 Contactors

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Siemens 3RH2911-1HA10 Auxiliary Contact Block for 3RT2.1 and 3RT2.2 Contactors

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Short description

The Siemens 3RH2911-1HA10 is an auxiliary contact block designed for seamless integration with Siemens 3RT2.1 and 3RT2.2 series contactors. This component provides reliable switching functionality for control circuits, featuring a 1NO configuration. It is essential for industrial automation and motor control applications, ensuring precise signal transmission and system monitoring within electrical panels.
Available for order: 7 pcs.
Warranty: 2 Years
SKU: 1840825
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
29.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
03.08.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.05 kg)
Parcel couriers
Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
03.08.2026 {{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 3RH2911-1HA10 auxiliary contact block is a high-quality switching component engineered for seamless integration with Siemens 3RT2.1 and 3RT2.2 series contactors. This device is designed to expand the switching capabilities of your contactor system, providing a reliable 1NO (normally open) contact configuration for control circuits. It is a critical element for industrial automation, ensuring precise signal transmission and effective monitoring of electrical systems within control panels.

Advantages

This auxiliary contact block offers exceptional reliability and durability, meeting the rigorous demands of industrial environments. Its design allows for quick and tool-free mounting onto compatible contactors, significantly reducing installation time and effort. The robust construction ensures consistent performance and long service life, even in demanding operational conditions. By providing an additional switching point, it enhances the flexibility of your control logic and system diagnostics.

Suitable for

  • Industrial automation systems
  • Motor control centers
  • Electrical control panels
  • Signal feedback and monitoring circuits
  • Interlocking and control logic applications

When it may not be suitable

This component is specifically designed for use with Siemens 3RT2.1 and 3RT2.2 contactors. It is not compatible with other contactor series or brands, and attempting to force a fit may damage the equipment. Furthermore, it is not intended for high-power main circuit switching, as it is strictly rated for auxiliary control signals.

Key specifications

  • Contact configuration: 1NO (Normally Open)
  • Compatibility: Siemens 3RT2.1 and 3RT2.2 contactors
  • Mounting type: Front-mounted
  • Application: Control circuit switching

How to use

To install the auxiliary contact block, ensure that the power supply to the contactor is completely disconnected. Align the block with the designated mounting interface on the front of the 3RT2.1 or 3RT2.2 contactor. Press the block firmly until it snaps into place, ensuring a secure mechanical and electrical connection. Once installed, connect the control wires to the terminal points according to your circuit diagram. Always verify the connection integrity before restoring power to the system.

What to consider before purchase

  • Verify the compatibility with your existing contactor model
  • Ensure the 1NO configuration meets your specific control logic requirements
  • Check the available space within your electrical enclosure for front-mounted accessories

Usage recommendations

Always perform a functional test of the control circuit after installation to ensure the auxiliary contact operates correctly in response to the main contactor state. Regularly inspect terminal connections for tightness to maintain optimal electrical conductivity.

Description

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Customer reviews

Customer questions

FAQ

How much does the Siemens 3RH2911-1HA10 Auxiliary Contact Block cost, and is it available for purchase?

The price is 9.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 7 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 29.07.2026 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.