# FF PF-452 Automatic Phase Switch 400V/2x230V+N

**URL:** https://aio.lv/en/product--ff-pf-452--10627552
**Data updated:** 2026-05-18 02:54 (EEST)
**Category:** Power Sockets
**Manufacturer:** FF
**Manufacturer code:** PF-452
**EAN:** 5908312590347
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 115.49 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 95.45 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-pf-452--10627552

## 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 FF PF-452 is an automatic phase switch designed to ensure continuous power supply to single-phase loads. It monitors phase voltage and automatically switches to a healthy phase if the primary one fails. Featuring a 400V/2x230V+N output, this device is essential for maintaining stability in electrical installations where reliable power distribution is critical for equipment operation.

## Long description

The FF PF-452 is an automatic phase switch engineered to maintain a continuous power supply for single-phase electrical loads. By constantly monitoring the voltage across phases, the device ensures that if the primary phase experiences a failure, voltage drop, or total loss of power, the load is seamlessly transferred to a healthy phase. This 400V/2x230V+N unit is designed for reliability in residential and commercial electrical systems where uninterrupted power is vital for sensitive equipment.
Advantages
The primary benefit of the FF PF-452 is its ability to provide automatic and rapid switching between phases, which significantly reduces downtime for connected devices. Its robust design ensures high operational stability, protecting equipment from the negative effects of phase loss or voltage irregularities. By automating the selection of the most stable power source, it eliminates the need for manual intervention and enhances the overall safety and efficiency of the electrical installation.
Suitable for
Residential electrical panels requiring phase redundancy
Small commercial installations with sensitive single-phase equipment
Backup power management for critical home appliances
Systems where phase voltage stability is required for consistent operation
When it may not be suitable
This device is not intended for three-phase motor applications or industrial machinery that requires a balanced three-phase supply. It is strictly designed for single-phase loads and cannot be used to correct frequency issues or provide voltage regulation beyond simple phase switching.
Key specifications
Input voltage: 400V AC
Output configuration: 2x230V+N
Function: Automatic phase switching
Operational mode: Phase monitoring and load transfer
How to use
The device should be installed by a qualified electrician within a standard distribution board. It must be connected to the three-phase supply lines and the neutral wire according to the provided wiring diagram. Once installed, the unit automatically monitors the incoming phases and directs power to the output terminals. No manual configuration is required for standard operation, as the internal logic handles the phase selection based on the presence and quality of the voltage.
What to consider before purchase
Verify that your electrical system is a 400V three-phase supply
Ensure the total load of your single-phase equipment does not exceed the device's rated capacity
Confirm that the installation space in your distribution board is sufficient for the unit
Usage recommendations
For optimal performance and safety, ensure all connections are tightened to the specified torque and that the device is protected by appropriate circuit breakers on the input side. Regularly inspect the installation for signs of thermal stress or loose wiring.

## FAQ

### How much does the FF PF-452 Automatic Phase Switch cost, and is it available for purchase?

The price is 115.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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, Installment. All transactions are 100% secure and encrypted.

### Can FF PF-452 Automatic Phase Switch be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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/10627552/54190012_large.webp