# Lumel LCTB 5021300080A55 Current Transformer 80/5A Class 0.5

**URL:** https://aio.lv/en/product--lumel-lctb-5021300080a55--12445722
**Data updated:** 2026-05-18 02:54 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** Lumel
**Manufacturer code:** LCTB 5021300080A55
**EAN:** 5901769494435
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 26.99 €
**Prices and availability valid until:** 2026-08-03 23:59
**Price without VAT (21%):** 22.31 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lumel-lctb-5021300080a55--12445722

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 23.07.2026 | free |
| Pickup points | 28.07.2026 | 1.89 EUR |
| Courier delivery to door | 28.07.2026 | 4.99 EUR |

## Summary description

The Lumel LCTB 5021300080A55 is a high-precision current transformer designed for industrial electrical monitoring. With a transformation ratio of 80/5A and accuracy class 0.5, it ensures reliable current measurement for power distribution systems. This busbar-mounted device is built for durability and accurate signal conversion, making it an essential component for energy management and protection systems in various industrial applications.

## Long description

The Lumel LCTB 5021300080A55 is a high-precision current transformer engineered for accurate electrical monitoring in industrial environments. This device is specifically designed to convert high primary currents into manageable secondary signals, facilitating precise measurement and monitoring within power distribution networks. With its robust construction and reliable performance, it serves as a critical component for energy management systems, ensuring that electrical data is captured with high fidelity.
Advantages
This current transformer offers exceptional measurement accuracy, adhering to class 0.5 standards, which makes it suitable for demanding industrial applications where precision is paramount. Its design allows for efficient busbar mounting, simplifying the installation process in existing electrical panels. The device is built to withstand the rigors of continuous operation, providing long-term stability and consistent signal conversion for various monitoring and protection equipment.
Suitable for
Industrial power distribution systems
Energy management and monitoring installations
Electrical protection and control circuits
Sub-metering applications in manufacturing facilities
When it may not be suitable
This device is not intended for use in high-voltage transmission lines or residential low-current applications that require different transformation ratios. It is specifically designed for busbar mounting and may not be compatible with cable-only installations without appropriate adapters.
Key specifications
Transformation ratio: 80/5A
Accuracy class: 0.5
Mounting type: Busbar
Application: Industrial current measurement
How to use
The current transformer should be installed by a qualified professional in accordance with local electrical safety regulations. The primary conductor (busbar) must be passed through the aperture of the transformer. Ensure that the secondary terminals are connected to the measuring or protection device with appropriate wiring, maintaining correct polarity to ensure accurate readings. Always ensure the system is de-energized before attempting installation or maintenance.
What to consider before purchase
Verify that the 80/5A transformation ratio matches your specific load requirements.
Ensure the physical dimensions of the busbar are compatible with the transformer aperture.
Confirm that the accuracy class 0.5 meets the requirements of your monitoring or billing system.
Usage recommendations
Regularly inspect the secondary connections for tightness and ensure that the transformer housing remains free of dust and debris to maintain optimal performance and safety.

## FAQ

### How much does the Lumel LCTB 5021300080A55 Current Transformer cost, and is it available for purchase?

The price is 26.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 23.07.2026 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 Lumel 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 Lumel 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

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