# Lumel LCTR 4514400030A51 Current Transformer with Round Aperture 30A/5A

**URL:** https://aio.lv/en/product--lumel-lctr-4514400030a51--12453882
**Data updated:** 2026-05-18 02:43 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** Lumel
**Manufacturer code:** LCTR 4514400030A51
**EAN:** 5901769492691
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 33.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 27.68 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lumel-lctr-4514400030a51--12453882

## 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 Lumel LCTR 4514400030A51 is a high-precision current transformer featuring a round aperture design. With a transformation ratio of 30A/5A, this device is engineered for reliable current measurement and monitoring in industrial electrical systems. It ensures accurate signal conversion for secondary measuring instruments, providing robust performance and safety in power distribution applications.

## Long description

The Lumel LCTR 4514400030A51 is a high-precision current transformer designed for accurate current measurement and monitoring in industrial electrical systems. Featuring a robust round aperture design, this device facilitates the safe and reliable conversion of high primary currents into a standardized secondary signal suitable for various measuring instruments. It is engineered to maintain signal integrity and performance in demanding power distribution environments.
Advantages
This current transformer offers exceptional measurement accuracy, ensuring that secondary devices receive precise data for monitoring and control purposes. Its durable construction is specifically tailored for industrial use, providing long-term reliability and consistent performance. The round aperture design simplifies the installation process, allowing for efficient integration into existing electrical panels and power distribution setups without requiring complex modifications.
Suitable for
Industrial power distribution systems
Electrical energy monitoring and management
Secondary signal conversion for measuring instruments
Current measurement in low-voltage electrical circuits
This device may not be suitable for high-voltage applications exceeding its specified insulation levels or for environments with extreme electromagnetic interference that could compromise signal accuracy. It is also not intended for use in circuits where the primary current consistently exceeds the rated transformation ratio.
Key specifications
Transformation ratio: 30A/5A
Aperture type: Round
Application: Industrial electrical systems
Function: Current measurement and signal conversion
To use the Lumel LCTR 4514400030A51, pass the primary conductor through the round aperture of the transformer. Ensure that the secondary terminals are correctly connected to the measuring instrument or relay. It is essential to maintain proper polarity during installation to ensure accurate readings and system safety. Always verify that the secondary circuit is closed before energizing the primary conductor to prevent high voltage buildup.
What to consider before purchase
Verify the primary current range of your application matches the 30A rating
Ensure the physical dimensions of the aperture accommodate your conductor size
Confirm compatibility with your existing secondary measuring equipment
For optimal performance and safety, ensure all connections are tightened to the manufacturer's specifications and that the device is installed by qualified personnel in accordance with local electrical regulations.

## FAQ

### How much does the Lumel LCTR 4514400030A51 Current Transformer 30A/5A cost, and is it available for purchase?

The price is 33.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 47 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. 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

https://aio.lv/img/cache/product/12453882/68756407_large.webp