Phoenix Contact 2900939 Plug-in Module 12-24V DC

Name: Phoenix Contact 2900939 Plug-in Module 2900939
Brand: PHOENIX-CONTACT
SKU: 10990512
Price: 5.99 EUR
Availability: InStock

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Phoenix Contact 2900939 Plug-in Module with Suppressor Diode and Yellow LED 12-24V DC

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Short description

The Phoenix Contact 2900939 is a plug-in module designed for RIFLINE series relays. It features an integrated suppressor diode and a yellow LED indicator, operating within a 12-24V DC voltage range. This component is essential for protecting relay circuits from voltage spikes and providing clear visual status indication in industrial automation and control systems.

Available for order: 80 pcs.

Warranty: 2 Years

SKU: 10990512

Manufacturer: PHOENIX-CONTACT

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Deliver the order:

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2b. Kengaraga str., Riga, Latvia, LV-1063

07.07.2026 {{selectedOffer.officeDeliveryString}}

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From 4.99 € (Weight: 1.00 kg)

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From 1.99 €

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Product information

Description

The Phoenix Contact 2900939 is a high-quality plug-in module engineered for seamless integration with the RIFLINE series relay system. This compact component is designed to enhance the reliability and longevity of industrial control circuits by providing essential protection against voltage spikes. Equipped with an integrated freewheeling diode and a highly visible yellow LED status indicator, it ensures both circuit safety and clear operational monitoring in demanding automation environments.

Advantages

The primary benefit of this module is its ability to suppress transient voltage spikes that can damage sensitive relay components or connected control electronics. By incorporating a freewheeling diode, the module effectively manages back-EMF generated during relay coil de-energization. Furthermore, the integrated yellow LED provides an immediate visual confirmation of the relay status, which significantly simplifies troubleshooting and routine maintenance tasks in complex control cabinets.

Suitable for

Industrial automation and control systems
RIFLINE relay base mounting (RIF-1, RIF-2, RIF-3, and RIF-4)
Applications requiring transient voltage protection
Systems needing visual status indication for relay operation

When it may not be suitable

This module is specifically designed for DC voltage applications and is not compatible with AC voltage circuits. Attempting to use this component in an AC environment may lead to failure of the diode or incorrect LED operation.

Key specifications

Input voltage range: 12 to 24 V DC (±20%)
Integrated components: Freewheeling diode and yellow LED
Polarity: A1+, A2-
Compatibility: RIF-1, RIF-2, RIF-3, and RIF-4 relay bases

How to use

Installation is straightforward due to the plug-in design. Ensure the control system is powered down before inserting the module into the designated slot on the RIFLINE relay base. Align the module pins with the corresponding sockets on the relay base and press firmly until it is securely seated. Verify that the polarity is correct, with the positive lead connected to A1 and the negative lead to A2, to ensure the diode functions correctly and the LED illuminates upon activation.

What to consider before purchase

Verify that your relay base is part of the RIF-1 through RIF-4 series
Ensure your control voltage is within the 12-24V DC range
Check the polarity requirements of your existing wiring

Usage recommendations

Always ensure that the module is fully seated in the relay base to maintain a reliable electrical connection and prevent vibration-related issues in industrial settings.

All features

Product colour:: Grey
Rated voltage:: 24 V

Description

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Customer questions

FAQ

How much does the Phoenix Contact 2900939 Plug-in Module 12-24V DC cost, and is it available for purchase?

The price is 5.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 80 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 07.07.2026 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 PHOENIX-CONTACT 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 PHOENIX-CONTACT 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.

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