# FF TO-1000-5 Split-Core Current Transformer 1000/5A Class 0.5

**URL:** https://aio.lv/en/product--ff-to-1000-5--10460599
**Data updated:** 2026-05-18 02:53 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** FF
**Manufacturer code:** TO-1000-5
**EAN:** 5908312590903
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 125.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 104.12 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ff-to-1000-5--10460599

## 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 TO-1000-5 is a high-precision split-core current transformer designed for measuring electrical currents up to 1000A with a 5A secondary output. Featuring a class 0.5 accuracy rating, this device is ideal for energy monitoring and power management systems. Its split-core design allows for easy installation on existing cables without disconnecting the primary circuit, ensuring efficient integration into industrial and commercial electrical networks.

## Long description

The FF TO-1000-5 is a high-precision split-core current transformer engineered for accurate electrical current measurement in systems up to 1000A, providing a reliable 5A secondary output. Designed for seamless integration into existing electrical infrastructure, this device facilitates precise monitoring and power management without the need to interrupt the primary circuit.
Advantages
The primary benefit of this split-core current transformer is its ability to be installed on live cables, which significantly reduces downtime and labor costs during system upgrades or maintenance. With a class 0.5 accuracy rating, it ensures high-precision data acquisition essential for energy auditing and billing applications. Its robust construction and compact design make it a versatile solution for various industrial and commercial environments where space and efficiency are critical.
Suitable for
Energy monitoring and management systems
Industrial power distribution networks
Commercial building energy audits
Retrofitting existing electrical installations
Sub-metering applications
When it may not be suitable
This device is not intended for use in high-voltage transmission lines or environments exceeding its specified current rating. It is also not suitable for applications requiring direct measurement of DC currents, as it is designed exclusively for AC systems.
Key specifications
Primary current: 1000A
Secondary output: 5A
Accuracy class: 0.5
Design: Split-core
Application: AC current measurement
How to use
Installation involves opening the split-core housing and placing it around the primary conductor. Once positioned, the core should be securely closed to ensure proper magnetic coupling. The secondary terminals are then connected to the measuring device or energy meter using appropriate wiring, ensuring that the polarity is observed to maintain measurement accuracy.
What to consider before purchase
Ensure the primary cable diameter fits within the transformer aperture
Verify that the secondary output matches the input requirements of your measuring device
Confirm the system operates within the specified AC frequency range
Usage recommendations
For optimal performance and safety, ensure all connections are tight and the transformer is mounted in a location free from excessive vibration or extreme temperatures. Regular inspection of the core closure is recommended to maintain measurement precision.

## FAQ

### How much does the FF TO-1000-5 Split-Core Current Transformer cost, and is it available for purchase?

The price is 125.99 € (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 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 TO-1000-5 Split-Core 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/10460599/52491542_large.webp