# Eti-Polam STV D02 Calibration Insert 50A

**URL:** https://aio.lv/en/product--eti-polam-002243013--12463582
**Data updated:** 2026-05-18 09:28 (EEST)
**Category:** Power Sockets
**Manufacturer:** Eti-Polam
**Manufacturer code:** 002243013
**EAN:** 5904722906907
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 4.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 3.71 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--eti-polam-002243013--12463582

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The Eti-Polam STV D02 calibration insert is a specialized electrical component designed for D02 fuse bases. Rated for 50A, this insert ensures precise fuse compatibility and safety within electrical distribution systems. It is engineered for reliable performance in industrial and residential installations, preventing the use of incorrect fuse sizes and maintaining circuit protection standards.

## Long description

The Eti-Polam STV D02 calibration insert 50A is a precision-engineered electrical component designed to ensure safety and compatibility within D02 fuse bases. By acting as a physical gauge, this insert prevents the installation of fuse-links with higher current ratings than the circuit is designed to handle, thereby protecting electrical infrastructure from overcurrent damage and potential fire hazards. It is a critical element for maintaining standardized protection levels in both residential and industrial electrical distribution boards.
Advantages
The primary benefit of the Eti-Polam calibration insert is its ability to enforce strict adherence to circuit design parameters. By physically restricting the fuse base to accept only 50A rated fuse-links, it eliminates the risk of human error during maintenance or fuse replacement. This robust component is manufactured to high quality standards, ensuring long-term durability and reliable performance in demanding electrical environments. Its simple design allows for quick and secure installation, providing an essential layer of safety for electrical systems.
Suitable for
Residential electrical distribution boards
Industrial control panels
Commercial building power systems
Protection of circuits requiring a 50A limit
This calibration insert is not suitable for fuse bases other than the D02 standard. It should not be used in circuits where the required protection level differs from the 50A rating, as attempting to force an incompatible fuse-link can damage the base or compromise the safety of the electrical installation.
Key specifications
Rated current: 50A
System compatibility: D02 fuse bases
Function: Calibration and protection against incorrect fuse sizing
Application: Electrical distribution systems
To use the Eti-Polam STV D02 calibration insert, simply screw it into the designated D02 fuse base using a standard calibration tool or appropriate screwdriver. Ensure the insert is fully seated and tightened to provide a stable contact point. Once installed, the fuse base will only accept the corresponding 50A fuse-link, effectively locking the circuit protection to the intended specification.
What to consider before purchase
Verify that your existing fuse base is of the D02 type
Confirm that the circuit design requires a 50A protection limit
Ensure you have the correct installation tool for D02 components
Usage recommendations: Always disconnect the power supply before installing or replacing any components in a fuse base. Ensure that the calibration insert matches the specific current rating of the circuit to maintain optimal safety standards.

## FAQ

### How much does the Eti-Polam STV D02 50A Calibration Insert cost, and is it available for purchase?

The price is 4.49 € (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 06.07.2026 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/12463582/68765313_large.webp