# F&F ST63-31 Modular Contactor 63A 3NO 1NC 230V AC

**URL:** https://aio.lv/en/product--ff-st63-31--12465357
**Data updated:** 2026-05-18 09:28 (EEST)
**Category:** Power Sockets
**Manufacturer:** FF
**Manufacturer code:** ST63-31
**EAN:** 5908312594215
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 43.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 36.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-st63-31--12465357

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

The F&F ST63-31 is a modular contactor designed for reliable electrical circuit switching in residential and industrial installations. It features a 63A rated current, 3 normally open (NO) contacts, and 1 normally closed (NC) contact, operating at 230V AC. This device is ideal for controlling lighting, heating, and ventilation systems, ensuring efficient power management and safe operation within standard distribution boards.

## Long description

The F&F ST63-31 modular contactor is a high-performance electrical switching device engineered for seamless integration into residential, commercial, and industrial power distribution systems. Designed to handle a rated current of 63A, this contactor provides robust control over electrical circuits, ensuring reliable operation of connected equipment. With its configuration of 3 normally open (NO) contacts and 1 normally closed (NC) contact, it offers versatile switching capabilities for various electrical loads at 230V AC.
Advantages
This modular contactor stands out due to its compact design, which allows for efficient space utilization within standard electrical distribution boards. The device is built for durability and long-term reliability, minimizing the need for frequent maintenance. Its high switching capacity makes it an excellent choice for demanding applications where consistent performance is required. Furthermore, the standardized modular form factor ensures quick and straightforward installation on DIN rails, facilitating professional and organized electrical setups.
Suitable for
Controlling lighting systems in large facilities
Managing heating and cooling equipment
Operating ventilation and air conditioning units
Switching high-current electrical loads in industrial environments
When it may not be suitable
This device is not intended for use in circuits exceeding its 63A rated current capacity, as doing so may lead to overheating or equipment failure. It is also not suitable for direct current (DC) applications, as it is specifically designed for 230V AC operation.
Key specifications
Rated current: 63A
Contact configuration: 3 normally open (NO), 1 normally closed (NC)
Operating voltage: 230V AC
Mounting type: DIN rail
Design: Modular
How to use
The contactor should be installed by a qualified professional within a standard electrical distribution board on a DIN rail. Ensure that the power supply is disconnected before beginning the installation process. Connect the control circuit to the coil terminals and the load circuit to the main power terminals, ensuring that all connections are tightened securely according to the specified torque requirements. Once installed, the device will automatically switch the connected loads based on the signal received by the control coil.
What to consider before purchase
Verify that the 63A current rating is sufficient for your specific load requirements.
Ensure the 230V AC control voltage matches your existing electrical system.
Check the available space in your distribution board to accommodate the modular unit.
Confirm that the contact configuration (3NO, 1NC) meets your switching logic needs.
Usage recommendations
For optimal safety and longevity, ensure that the contactor is installed in an environment free from excessive dust, moisture, and extreme temperatures. Regularly inspect the terminal connections to ensure they remain tight and free from oxidation.

## FAQ

### How much does the F&F ST63-31 Modular Contactor 63A 3NO 1NC 230V AC cost, and is it available for purchase?

The price is 43.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 11 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 14.07.2026 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/12465357/68766886_large.webp