# Lumel LCTB 8660 Current Transformer, 600A/5A, Busbar Aperture 86/60 mm

**URL:** https://aio.lv/en/product--lumel-lctb-8660450600a55--12445908
**Data updated:** 2026-05-18 02:48 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** Lumel
**Manufacturer code:** LCTB 8660450600A55
**EAN:** 5901769490475
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 47.99 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 39.66 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lumel-lctb-8660450600a55--12445908

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The Lumel LCTB 8660 is a high-precision current transformer designed for industrial electrical monitoring. Featuring a 600A/5A transformation ratio and an 86/60 mm busbar aperture, it is ideal for measuring high currents in power distribution systems. This robust device ensures accurate signal conversion for energy meters and protection relays, providing reliable performance in demanding electrical infrastructure applications.

## Long description

The Lumel LCTB 8660 current transformer is a precision-engineered device designed for the accurate monitoring and measurement of electrical currents in industrial environments. With a transformation ratio of 600A/5A and a spacious busbar aperture of 86/60 mm, this transformer is specifically built to integrate into power distribution systems where high current levels must be stepped down for safe and reliable analysis by energy meters and protection relays.
Advantages
This current transformer offers exceptional measurement accuracy, ensuring that electrical data remains reliable for critical infrastructure monitoring. Its robust construction is tailored for demanding industrial conditions, providing long-term stability and consistent performance. The generous aperture size allows for flexible installation on various busbar configurations, simplifying the setup process in complex electrical panels while maintaining high signal integrity for downstream monitoring equipment.
Suitable for
Industrial power distribution monitoring
Energy management and sub-metering systems
Protection relay applications
High-current electrical infrastructure analysis
This device may not be suitable for low-current applications where the 600A primary rating would result in significant measurement inaccuracies. It is also not intended for use in environments exceeding its specified thermal or mechanical tolerances, nor should it be used in circuits where the secondary current requirements differ from the standard 5A output.
Key specifications
Transformation ratio: 600A/5A
Busbar aperture dimensions: 86 mm x 60 mm
Application: Industrial electrical monitoring
Compatibility: Energy meters and protection relays
To use the Lumel LCTB 8660, ensure the power supply to the main circuit is disconnected before installation. Pass the primary busbar through the 86/60 mm aperture and secure the transformer firmly in place. Connect the secondary terminals to your measuring device or protection relay using appropriate wiring, ensuring that the polarity is correct to maintain measurement accuracy. Once installed, verify the connections before re-energizing the primary circuit.
What to consider before purchase
Verify that the primary current of your system matches the 600A rating
Check that your busbar dimensions fit within the 86/60 mm aperture
Ensure compatibility with your existing 5A input energy meters or relays
Confirm the environmental conditions meet the manufacturer's operational requirements
Always ensure that the secondary circuit of the current transformer is connected to a load or short-circuited before energizing the primary conductor to prevent dangerous voltage build-up.

## FAQ

### How much does the Lumel LCTB 8660 Current Transformer 600A/5A cost, and is it available for purchase?

The price is 47.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 11 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 16.07.2026 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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