# Eti-Polam CTR-30 Current Transformer 150/5A 3.75VA Class 0.5

**URL:** https://aio.lv/en/product--eti-polam-004805507--12457742
**Data updated:** 2026-05-18 09:40 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** Eti-Polam
**Manufacturer code:** 004805507
**EAN:** 3838895817208
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 34.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 28.92 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--eti-polam-004805507--12457742

## 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 Eti-Polam CTR-30 is a high-precision current transformer designed for electrical measurement and monitoring systems. It features a 150/5A transformation ratio, a rated power of 3.75VA, and meets Class 0.5 accuracy standards. This reliable component is ideal for industrial and commercial power distribution applications, ensuring accurate current sensing and integration with metering equipment.

## Long description

The Eti-Polam CTR-30 current transformer is a precision-engineered component designed for accurate electrical measurement and monitoring in power distribution systems. With a transformation ratio of 150/5A and a rated power of 3.75VA, this device provides reliable data for energy management and metering applications. It is built to meet Class 0.5 accuracy standards, ensuring consistent performance in demanding industrial and commercial environments.
Advantages
This current transformer offers high measurement precision, which is essential for maintaining accurate energy billing and system monitoring. Its robust construction ensures long-term durability and stability under continuous operation. The compact design facilitates easy installation within standard electrical panels, while the standardized transformation ratio ensures seamless compatibility with a wide range of secondary metering equipment and protection relays.
Suitable for
Industrial power distribution monitoring
Commercial energy metering systems
Electrical load management and analysis
Integration with digital power meters and analog ammeters
When it may not be suitable
This device is not intended for high-voltage applications exceeding its specified insulation levels. It is also not suitable for measuring currents outside the 150A primary range, as this would compromise accuracy and potentially damage the secondary equipment.
Key specifications
Transformation ratio: 150/5A
Rated power: 3.75VA
Accuracy class: 0.5
Mounting type: Panel or busbar mounting
How to use
The CTR-30 should be installed by a qualified professional in accordance with local electrical safety regulations. The primary conductor is passed through the aperture of the transformer. The secondary terminals must be connected to the measuring device using appropriate gauge wiring. Ensure that the secondary circuit is never left open while the primary circuit is energized to prevent dangerous voltage build-up.
What to consider before purchase
Verify that the primary current matches your system requirements
Ensure the secondary side burden does not exceed the 3.75VA rating
Check available space in your electrical cabinet for mounting
Usage recommendations
Always ensure that the secondary terminals are properly terminated or short-circuited before energizing the primary circuit to maintain safety and measurement integrity.

## FAQ

### How much does the Eti-Polam CTR-30 Current Transformer 150/5A cost, and is it available for purchase?

The price is 34.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 9 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 Eti-Polam 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 Eti-Polam 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/12457742/68759898_large.webp