# F&F ST63-40/24 Modular Contactor 63A 4NO 24V AC

**URL:** https://aio.lv/en/product--ff-st63-4024--12455890
**Data updated:** 2026-05-18 09:33 (EEST)
**Category:** Power Sockets
**Manufacturer:** FF
**Manufacturer code:** ST63-40/24
**EAN:** 5908312594239
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 58.49 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 48.34 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-st63-4024--12455890

## 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 ST63-40/24 is a modular contactor designed for reliable electrical circuit switching. It features a 63A rated current, 4 normally open (NO) contacts, and operates on a 24V AC control voltage. This device is suitable for industrial and residential automation systems, providing efficient control of lighting, heating, and motor circuits in standard DIN rail installations.

## Long description

The F&F ST63-40/24 is a high-performance modular contactor engineered for the reliable switching of electrical circuits in various automation environments. Designed for standard DIN rail mounting, this device handles a rated current of 63A and features four normally open (NO) contacts, making it a robust solution for managing high-load electrical systems. Operating on a 24V AC control voltage, it ensures consistent performance and safety in both residential and industrial electrical installations.
Advantages
This modular contactor offers exceptional durability and efficiency for demanding electrical applications. Its compact design allows for seamless integration into standard distribution boards, saving valuable space while maintaining high operational standards. The device is built to withstand frequent switching cycles, ensuring long-term reliability for lighting, heating, and motor control systems. By utilizing a 24V AC control signal, it provides a safer interface for control circuits, reducing the risk of high-voltage exposure during maintenance or manual overrides.
Suitable for
Industrial automation and control systems
Residential lighting and heating circuit management
Motor control and power distribution
Building management systems requiring DIN rail mounting
When it may not be suitable
This contactor is not intended for use in circuits exceeding its 63A rated current capacity or for applications requiring DC control voltage. It is also not suitable for environments with extreme moisture or corrosive atmospheres unless housed in an appropriate protective enclosure.
Key specifications
Rated current: 63A
Contact configuration: 4 normally open (NO) contacts
Control voltage: 24V AC
Mounting type: DIN rail
How to use
Installation should be performed by a qualified electrician in accordance with local electrical codes. The device is designed to be snapped onto a standard 35mm DIN rail within a distribution cabinet. Connect the power supply lines to the main terminals and the 24V AC control signal to the coil terminals. Ensure all connections are tightened securely to prevent overheating and verify that the wiring matches the intended circuit diagram before energizing the system.
What to consider before purchase
Verify that your control system provides a 24V AC signal
Ensure the total load of the circuit does not exceed 63A
Check available space on the DIN rail within your distribution board
Usage recommendations
Regularly inspect the terminal connections for tightness and ensure the device is free from dust or debris to maintain optimal thermal performance and operational longevity.

## FAQ

### How much does the F&F ST63-40/24 Modular Contactor 63A cost, and is it available for purchase?

The price is 58.49 € (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 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

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