# FF PSR-480 Modular Rotary Changeover Switch I-0-II 80A 4P for Mains-Generator

**URL:** https://aio.lv/en/product--ff-psr-480--12447569
**Data updated:** 2026-05-18 02:43 (EEST)
**Category:** Power Sockets
**Manufacturer:** FF
**Manufacturer code:** PSR-480
**EAN:** 5902431675312
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 157.49 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 130.16 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-psr-480--12447569

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

The FF PSR-480 is a 4-pole modular rotary changeover switch designed for reliable I-0-II switching between mains and generator power sources. With a rated current of 80A, this device ensures safe electrical isolation and manual power source selection in modular distribution boards. It is an essential component for backup power systems, providing robust performance and easy installation in standard electrical enclosures.

## Long description

The FF PSR-480 is a high-performance 4-pole modular rotary changeover switch engineered for seamless I-0-II switching between two power sources, such as a primary mains supply and a backup generator. Designed for integration into modular distribution boards, this device provides a reliable solution for manual power source selection, ensuring that electrical circuits are safely isolated during the transition. Its robust construction and 80A rated current capacity make it a dependable component for maintaining continuity in critical electrical systems.
Advantages
This rotary changeover switch offers exceptional durability and operational safety for electrical installations. Its modular design allows for straightforward mounting on standard DIN rails within electrical enclosures, saving space and simplifying the wiring process. The clear I-0-II switching mechanism prevents the simultaneous connection of two power sources, effectively eliminating the risk of back-feeding and protecting both the grid and the generator. The high current rating ensures that the switch can handle significant electrical loads, providing long-term reliability in demanding backup power applications.
Suitable for
Residential backup power systems using portable or stationary generators
Commercial facilities requiring manual switching between mains and emergency power
Industrial distribution boards where reliable power source isolation is mandatory
Agricultural or remote sites with frequent grid instability
When it may not be suitable
This device is intended for manual operation and is not suitable for automated transfer switching applications where power restoration must occur without human intervention. It should not be used in environments exceeding its rated current capacity or in conditions that fall outside the specified environmental operating parameters.
Key specifications
Number of poles: 4
Rated current: 80A
Switching positions: I-0-II
Mounting type: Modular DIN rail
Application: Mains-generator changeover
How to use
The switch should be installed by a qualified electrician in a suitable electrical distribution board. Once mounted on the DIN rail, the input terminals should be connected to the mains supply and the generator output, while the output terminals are connected to the load circuit. During operation, the rotary handle allows the user to manually select between the mains supply (position I), the off position (0), or the generator supply (position II). Always ensure the switch is in the off position before changing sources to prevent electrical arcing.
What to consider before purchase
Verify that the 80A current rating is sufficient for your total load requirements
Ensure your distribution board has enough space for a 4-pole modular device
Confirm that your generator and mains wiring are compatible with a 4-pole switching configuration
Check local electrical regulations regarding the installation of manual changeover switches
Usage recommendations
Regularly inspect the switch for any signs of wear or loose connections to ensure continued safe operation. It is recommended to perform a test switch-over periodically to verify that the mechanism operates smoothly and that power is correctly transferred between sources.

## FAQ

### How much does the FF PSR-480 Modular Rotary Changeover Switch 80A 4P cost, and is it available for purchase?

The price is 157.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 02.07.2026 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 PSR-480 Modular Rotary Changeover Switch 80A 4P 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/12447569/68750621_large.webp