{{ totalProductsCount }}

In cart {{totalProductsCount}} item(s)

Total:
{{sum | formatAmount}}

Your cart is empty

header-product Siemens 3RH29111GA04 Auxiliary Contact Block 4NC Front-Mounted for 3RH2140 and 3RH2440 Contactors
46.49 €

Siemens 3RH29111GA04 Auxiliary Contact Block 4NC Front-Mounted for 3RH2140 and 3RH2440 Contactors

Siemens 3RH29111GA04 Auxiliary Contact Block Photo 1
Keep track of price changes You keep track of price changes
Watch the price drop

Leave your address - as soon as the price of the product goes down, you'll know about it right away

You keep track of price changes

Siemens 3RH29111GA04 Auxiliary Contact Block 4NC Front-Mounted for 3RH2140 and 3RH2440 Contactors

{{email}}
You keep track of price changes

Siemens 3RH29111GA04 Auxiliary Contact Block 4NC Front-Mounted for 3RH2140 and 3RH2440 Contactors

{{email}}
{{selectedOffer && selectedOffer.price | formatAmount}}

Short description

The Siemens 3RH29111GA04 is a 4-pole auxiliary contact block designed for front mounting on size S00 3RH2140 and 3RH2440 contactors. Featuring a wired connectivity technology and a rated current of 10 A, this black contact block ensures reliable switching operations in industrial control systems. It is an essential component for expanding the functionality of contactors in various electrical automation applications.
Available for order: 8 pcs.
Warranty: 2 Years
SKU: 1840588
free shipment

Cheapest delivery:

Venipak Locker LV

Pick-up points

Venipak Locker LV

Cost

1.89 €

Deliver

{{selectedOffer.parcelStationDeliveryString}}

Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
14.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
17.07.2026 {{selectedOffer.courierDeliveryString}}
From 19.36 € (Weight: 25.53 kg)
Parcel couriers
Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV
17.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
payment
Payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay
Together cheaper
{{product.price | formatAmount}}
{{product.title}}
{{productBundle.reference.specialPrice | formatAmount}}
{{productBundle.title}}
{{productBundlePreviousPrice | formatAmount}}
{{productBundleSpecialPrice | formatAmount}}

You saving {{productBundleYouSave | formatAmount}}

Product information

Description

The Siemens 3RH29111GA04 is a high-quality 4-pole auxiliary contact block engineered for seamless integration with size S00 contactor relays. Designed for front-mounting, this component provides four normally closed (NC) contacts, allowing for the reliable expansion of switching capabilities in industrial automation and control systems. Its robust construction and precise engineering ensure consistent performance in demanding electrical environments.

Advantages

This auxiliary contact block offers significant benefits for electrical system configuration by providing additional switching points without the need for larger contactor units. The front-mounting design saves valuable space within control cabinets, while the screw terminal connections ensure a secure and stable electrical path. Its physical coding prevents incorrect installation, ensuring compatibility specifically with designated contactor relay models to maintain system integrity and safety.

Suitable for

  • Industrial automation control systems
  • Expanding contactor relay functionality
  • Electrical switching applications requiring NC contact configurations
  • Control cabinet installations with limited space

This component may not be suitable for applications requiring normally open (NO) contacts, as it is strictly configured with four normally closed (NC) circuits. It is also not compatible with contactor sizes other than S00 or models outside the specified 3RH2140 and 3RH2440 series.

Key specifications

  • Configuration: 4 normally closed (NC) contacts
  • Mounting type: Front-mounted
  • Terminal type: Screw terminals
  • Compatibility: Size S00 contactor relays (3RH2140 and 3RH2440)
  • Rated current: 10 A

Installation involves mounting the block onto the front of the compatible contactor relay. Ensure the power is disconnected before performing any installation or maintenance. Align the block with the designated slots on the contactor and secure it using the integrated screw terminals. Verify that all wiring connections are tight and follow the terminal numbering (51/52, 61/62, 71/72, 81/82) to ensure correct circuit integration.

What to consider before purchase

  • Verify the contactor relay model number matches the 3RH2140 or 3RH2440 series
  • Confirm that your application specifically requires 4 NC contacts
  • Ensure the S00 size is appropriate for your current control panel layout
Always verify the compatibility of the auxiliary block with your specific contactor relay model before installation to ensure safe and reliable operation. Regular inspection of screw terminals is recommended to maintain optimal electrical contact over time.
All features
Weight:
0.059 kg
Certification:
EAC UL CCC CSA
Storage temperature (T-T):
-55 - 80
Operating temperature (T-T):
-25 - 60
Height:
37.5 mm
Width:
36 mm
Depth:
43.7 mm
Connectivity technology:
Wired
Product colour:
Black
Rated current:
10 A
Wi-Fi:
No
Country of origin:
Czech Republic
Package depth:
62 mm
Package height:
45 mm
Package width:
50 mm
International Protection (IP) code: Device protection rating against dust and water according to the international IP standard.
IP20
Built-in display:
No
Number of poles:
4P
Installation type:
Screws
Suitable for indoor use:
Yes
Sustainability compliance:
Yes
Sustainability certificates:
WEEE, RoHS, REACH, CE

Description

Machine translation. Load original

Similar products

{{product.title}} Show details Hide details

{{highlightedFeature.featureTitle}}:

{{getProductFeatureValueById(product, highlightedFeature.featureId)}}

{{product.price | formatAmount}}
Might be useful
{{product.manufacturerName}}
{{product.categoryName}}
{{product.title}}
{{product.specialPrice}}
{{product.price}}

Customer reviews

Customer questions

FAQ

How much does the Siemens 3RH29111GA04 Auxiliary Contact Block cost, and is it available for purchase?

The price is 46.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 14.07.2026 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.

Where can I download the instructions for Siemens 3RH29111GA04 Auxiliary Contact Block?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
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.
shipping
Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
payment
Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
warranty
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.