F&F ST25-40-24ACDC Modular Contactor 25A

Name: F&F ST25-40-24ACDC Modular Contactor, 4 ST25-40-24ACDC
Brand: FF
SKU: 12458778
Price: 40.49 EUR
Availability: InStock

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F&F ST25-40-24ACDC Modular Contactor, 4 Normally Open Contacts, 25A, 24V AC/DC

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Short description

The F&F ST25-40-24ACDC is a modular contactor designed for DIN rail mounting. It features 4 normally open (NO) contacts and is rated for a current of 25A with a 24V AC/DC control voltage. This reliable switching device is ideal for industrial and residential electrical installations, providing efficient control of lighting, heating, and motor circuits in various automation systems.

Available for order: 13 pcs.

Warranty: 2 Years

SKU: 12458778

Manufacturer: FF

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

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From 4.99 €

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Product information

Description

The F&F ST25-40-24ACDC is a high-performance modular contactor engineered for reliable switching in electrical distribution systems. Designed for standard DIN rail mounting, this device provides a robust solution for managing electrical loads in both residential and industrial environments. With its 4 normally open contacts and a 24V AC/DC control voltage, it ensures seamless integration into various automation and control panels.

Advantages

This modular contactor stands out due to its versatile control voltage compatibility, allowing it to operate efficiently with both AC and DC signals. Its compact modular design facilitates easy installation within standard distribution boards, saving valuable space. The device is built for durability and consistent performance, ensuring that high-current circuits are switched safely and reliably over long periods of operation.

Suitable for

Lighting control systems
Heating and ventilation circuits
Motor control applications
Building automation systems
Industrial electrical distribution panels

When it may not be suitable

This contactor is not intended for use in environments with extreme moisture or high levels of dust unless housed in an appropriate IP-rated enclosure. It is also not suitable for applications requiring a control voltage other than 24V AC/DC.

Key specifications

Rated current: 25A
Control voltage: 24V AC/DC
Contact configuration: 4 Normally Open (NO)
Mounting type: DIN rail
Design: Modular

How to use

The contactor should be installed by a qualified professional onto a standard 35mm DIN rail within an electrical enclosure. Connect the control circuit wires to the A1 and A2 terminals, ensuring the voltage matches the 24V AC/DC specification. The load circuits should be connected to the main power terminals. Always verify that all connections are tightened securely to prevent overheating and ensure proper electrical contact before energizing the system.

What to consider before purchase

Verify that your control system provides a 24V AC/DC signal.
Ensure the total load current does not exceed the 25A rating.
Check available space on your DIN rail within the distribution board.
Confirm that the 4 normally open contact configuration meets your circuit requirements.

Usage recommendations

Regularly inspect the contactor for signs of wear or loose connections during routine maintenance of your electrical installation to ensure continued safe and efficient operation.

Description

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Customer questions

FAQ

How much does the F&F ST25-40-24ACDC Modular Contactor 25A cost, and is it available for purchase?

The price is 40.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 13 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 06.07.2026 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 FF 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 FF 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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