# F&F ST25-20/24 Modular Contactor 25A 2NO 24V AC

**URL:** https://aio.lv/en/product--ff-st25-2024--12460818
**Data updated:** 2026-05-18 09:37 (EEST)
**Category:** Power Sockets
**Manufacturer:** FF
**Manufacturer code:** ST25-20/24
**EAN:** 5908312594000
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 29.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 24.79 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-st25-2024--12460818

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The F&F ST25-20/24 is a high-quality modular contactor designed for reliable electrical circuit switching. It features a 25A rated current, 2 normally open (NO) contacts, and operates on a 24V AC control voltage. Ideal for industrial and residential automation systems, this compact device ensures efficient power management and control in distribution boards and control panels.

## Long description

The F&F ST25-20/24 modular contactor is a robust electrical switching device engineered for precise control in various power distribution systems. With a rated current of 25A and two normally open contacts, this unit provides reliable performance for switching electrical loads in both residential and industrial environments. Its compact modular design allows for seamless integration into standard distribution boards and control panels, ensuring efficient space utilization and simplified installation.
Advantages
This modular contactor offers high operational reliability and durability, making it an excellent choice for demanding automation tasks. The device is designed to handle frequent switching cycles without compromising performance, ensuring long-term stability in electrical circuits. Its standardized dimensions facilitate quick mounting on DIN rails, while the 24V AC control voltage provides a safe and effective solution for remote switching applications.
Suitable for
Residential lighting control systems
Industrial automation and machinery control
Heating and ventilation system management
Power distribution in smart home installations
This device may not be suitable for applications requiring high-frequency switching beyond its rated mechanical life or for environments with extreme dust, moisture, or corrosive gases without appropriate protective enclosures. It is also not intended for direct motor control applications that exceed its specific inductive load ratings.
Key specifications
Rated current: 25A
Contact configuration: 2 normally open (NO) contacts
Control voltage: 24V AC
Mounting type: DIN rail
Design: Modular
To install the contactor, mount it onto a standard 35mm DIN rail within a distribution board or control cabinet. Ensure that the power supply is disconnected before making any electrical connections. Connect the control circuit wires to the coil terminals and the load circuit wires to the main contact terminals, ensuring all connections are tightened securely according to the specified torque requirements.
What to consider before purchase
Verify that the 24V AC control voltage matches your existing control system requirements.
Ensure the 25A rated current is sufficient for the total load of the connected equipment.
Confirm that there is adequate space on the DIN rail within your electrical enclosure.
For optimal performance and safety, periodically inspect the terminal connections for tightness and ensure the device remains free from dust accumulation. Always adhere to local electrical regulations and safety standards during installation and maintenance.

## FAQ

### How much does the Modular Contactor F&F ST25-20/24 25A 2NO 24V AC cost, and is it available for purchase?

The price is 29.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12460818/68762787_large.webp