# F&F ST63-40 Modular Contactor 63A 4NO 230V AC

**URL:** https://aio.lv/en/product--ff-st63-40--12445486
**Data updated:** 2026-05-18 02:44 (EEST)
**Category:** Power Sockets
**Manufacturer:** FF
**Manufacturer code:** ST63-40
**EAN:** 5908312594222
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 39.99 €
**Prices and availability valid until:** 2026-07-06 23:59
**Price without VAT (21%):** 33.05 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-st63-40--12445486

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The F&F ST63-40 is a high-performance modular contactor designed for reliable electrical switching in industrial and residential installations. It features a 63A rated current, 4 normally open (NO) contacts, and operates on a 230V AC control voltage. This compact device is ideal for controlling lighting, heating, and ventilation systems, ensuring efficient power management and long-term operational durability in standard DIN-rail mounting applications.

## Long description

The F&F ST63-40 modular contactor is a robust electrical switching device engineered for high-performance control in both residential and industrial environments. With a rated current of 63A and four normally open contacts, this unit provides reliable power management for demanding electrical circuits. Designed for standard DIN-rail installation, it integrates seamlessly into modern distribution boards, offering a compact and durable solution for automated switching tasks.
Advantages
This modular contactor stands out due to its high switching capacity and reliable mechanical construction, which ensures long-term operational stability even under frequent usage. The device is optimized for efficient power distribution, minimizing energy loss during operation. Its standardized design allows for quick and easy installation in electrical cabinets, while the high-quality materials used in its manufacturing provide excellent resistance to wear and environmental factors, making it a dependable choice for professional electrical installations.
Suitable for
Controlling high-power lighting systems
Managing electric heating circuits
Operating ventilation and air conditioning units
Automated switching in industrial control panels
Residential power management systems
When it may not be suitable
This device 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 DC control applications, as it is specifically designed for 230V AC operation.
Key specifications
Rated current: 63A
Contact configuration: 4 normally open (NO)
Control voltage: 230V AC
Mounting type: DIN-rail (35mm)
Modular design for standard distribution boards
How to use
The contactor should be installed by a qualified electrician in a standard electrical distribution board on a 35mm DIN-rail. Ensure that the power supply is disconnected before beginning the installation. Connect the control circuit to the coil terminals and the load circuit to the main power terminals, ensuring that all connections are tightened to the specified torque to prevent overheating. Once installed, the device operates automatically based on the signal received from the control circuit.
What to consider before purchase
Verify that the 63A current rating is sufficient for your specific load requirements.
Ensure your control system provides a 230V AC signal.
Check the available space in your distribution board for modular mounting.
Confirm that the four normally open contacts meet your circuit design needs.
Usage recommendations: Regularly inspect the terminal connections for tightness and ensure the device is kept free from dust accumulation to maintain optimal performance and safety over the lifespan of the contactor.

## FAQ

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

The price is 39.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 7 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 01.07.2026 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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