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header-product Siemens 3RH2244-1BB40 Control Relay with 4NO and 4NC contacts and 24V DC coil voltage
66.99 €

Siemens 3RH2244-1BB40 Control Relay with 4NO and 4NC contacts and 24V DC coil voltage

Siemens 3RH2244-1BB40 Control Relay Photo 1
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Siemens 3RH2244-1BB40 Control Relay with 4NO and 4NC contacts and 24V DC coil voltage

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Siemens 3RH2244-1BB40 Control Relay with 4NO and 4NC contacts and 24V DC coil voltage

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Short description

Siemens 3RH2244-1BB40 auxiliary contactor and control relay designed for industrial automation and control systems. This unit features 4 normally open (4NO) and 4 normally closed (4NC) contacts, operating with a 24V DC coil voltage. Suitable for switching control circuits, signaling, and interlocking applications in electrical switchgear.
Available for order: 10 pcs.
Warranty: 2 Years
SKU: 1801926
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.79 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
18.09.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
23.09.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.32 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
23.09.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.79 €
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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 control relay and auxiliary contactor is designed for industrial automation and control systems, providing reliable switching of control signals in electrical switchgear. This unit features 4 normally open (4NO) and 4 normally closed (4NC) contacts, operating with a 24V DC coil voltage. It utilizes screw terminals and belongs to the S00 frame size, offering a compact design with standard-compliant terminal designations and time-saving connection technology. Suitable for applications requiring the multiplication of outputs, this control relay allows the simultaneous switching of several auxiliary circuits.

Advantages

The Siemens control relay features a durable 4-pole basic design that can be extended up to 8 poles using snap-on auxiliary switches. All contacts are available with positively driven operation for safety applications. The device is climate-resistant, offers high contact reliability, and supports global usage through standard approvals such as IEC and UL/CSA. Furthermore, it shares compatibility with the extensive range of accessories designed for Siemens S00 to S3 series contactors.

Suitable for

  • Switching control circuits and control signals in industrial automation
  • Signaling and interlocking applications in electrical switchgear
  • Safety applications utilizing positively driven operation contacts
  • Simultaneous switching of multiple auxiliary circuits through output multiplication

When it may not be suitable

This control relay may not be suitable for applications requiring AC coil voltage, as this specific model operates exclusively on 24V DC. Additionally, it is designed for auxiliary and control circuits rather than powering heavy-load main motors directly.

Key specifications

  • 4 normally open (4NO) and 4 normally closed (4NC) contacts
  • 24V DC coil voltage
  • Screw terminal connection technology
  • Frame size S00
  • Height: 57.5 mm, Package width: 50 mm, Package depth: 61.5 mm
  • Climate-resistant construction

How to use

Mount the control relay securely onto a standard mounting rail within the electrical switchgear panel. Connect the 24V DC power supply to the coil terminals using appropriate wiring and secure the screw connections firmly. Wire the control and auxiliary circuits to the designated 4NO and 4NC terminals according to your circuit diagram. Ensure all connections comply with standard electrical installation guidelines before energizing the control system.

What to consider before purchase

  • Verify that your control system requires a 24V DC coil voltage
  • Confirm that the contact configuration of 4NO and 4NC meets your circuit requirements
  • Check that space within the switchgear panel accommodates the S00 frame size dimensions
  • Ensure compatibility with existing snap-on auxiliary switches or accessories if expansion is planned

Always disconnect the main power supply before installing, servicing, or modifying the control relay and associated wiring. Ensure that installation is performed by qualified personnel in accordance with local electrical regulations and manufacturer specifications.

All features
Package weight: Weight of the packaged product.
324 g
Height: The measurement of the product from head to foot or from base to top.
57.5 mm
Package depth: The distance from the front to the back of the packaging.
61.5 mm
Package height: The distance from the top to the bottom of the packaging.
120.5 mm
Package width: The distance from one side of the packaging to the other.
50 mm
Minimum order quantity:
1 pc(s)
Battery included:
No
Maximum order quantity:
1 pc(s)
Compliance certificates: Indicates which regulatory, safety, and environmental standards the product complies with, as verified by recognized authorities or certification bodies.
REACH, RoHS, CE
Number of auxiliary NC contacts:
4
Number of auxiliary NO contacts:
4
Actuating voltage type:
DC
Rated operational current (Ie, 400V):
3 A
Mounting method:
Screw mounted
Connection type (auxiliary circuit):
Screw connection
Suitable for manual operation:
No

Description

Machine translation. Load original

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Customer reviews

Customer questions

FAQ

How much does the Siemens 3RH2244-1BB40 Control Relay cost, and is it available for purchase?

The price is 66.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 18.09.2026 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.