# FF TO-250-5 Current Transformer 250/5A

**URL:** https://aio.lv/en/product--ff-to-250-5--12459265
**Data updated:** 2026-05-18 09:28 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** FF
**Manufacturer code:** TO-250-5
**EAN:** 5908312590866
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 82.99 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 68.59 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-to-250-5--12459265

## 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 FF TO-250-5 is a high-precision current transformer designed for electrical measurement systems. With a transformation ratio of 250/5A, this device is engineered to step down high primary currents to a safe, measurable level for ammeters and energy meters. It is an essential component for industrial and residential power monitoring, ensuring accurate data acquisition and reliable performance in electrical distribution networks.

## Long description

The FF TO-250-5 is a high-precision current transformer engineered for reliable integration into electrical measurement systems. With a transformation ratio of 250/5A, this device effectively steps down high primary currents to a safe, standardized level suitable for connection to ammeters, energy meters, and other monitoring equipment. It serves as a critical component for both industrial and residential power distribution networks, facilitating precise data acquisition and consistent performance in energy management applications.
Advantages
This current transformer offers exceptional measurement accuracy, ensuring that energy consumption data remains reliable for billing or monitoring purposes. Its robust construction is designed to withstand the demands of electrical distribution environments, providing long-term operational stability. By converting high currents into a manageable 5A secondary output, it protects sensitive measuring instruments from damage while maintaining high signal integrity throughout the monitoring process.
Suitable for
Industrial power monitoring systems
Residential energy consumption tracking
Electrical distribution panels
Integration with analog and digital ammeters
Energy management and sub-metering installations
When it may not be suitable
This device is not intended for use in high-voltage transmission lines or circuits exceeding its rated primary current capacity. It is also not suitable for applications requiring direct measurement of DC currents, as it is specifically designed for AC electrical systems.
Key specifications
Transformation ratio: 250/5A
Primary current: 250A
Secondary current: 5A
Application: AC electrical networks
Function: Current step-down for measurement
How to use
The FF TO-250-5 should be installed by a qualified electrician in accordance with local electrical safety regulations. The primary conductor carrying the measured current must be passed through the aperture of the transformer. The secondary terminals must then be connected to the input of the measuring device, such as an ammeter or energy meter, using appropriately sized wiring to ensure minimal resistance and accurate readings.
What to consider before purchase
Verify that the primary current of your circuit does not exceed 250A.
Ensure compatibility with your existing ammeters or energy meters that require a 5A input.
Check the physical dimensions of the transformer to ensure it fits within your electrical enclosure.
Confirm that the installation environment meets the necessary safety standards for electrical components.
Usage recommendations
Always ensure that the secondary circuit is connected to a load or shorted before energizing the primary circuit to prevent high voltage buildup. Regularly inspect connections for signs of oxidation or looseness to maintain measurement accuracy.

## FAQ

### How much does the FF TO-250-5 Current Transformer cost, and is it available for purchase?

The price is 82.99 € (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 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, Installment. All transactions are 100% secure and encrypted.

### Can FF TO-250-5 Current Transformer 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/12459265/68761348_large.webp