# Eti-Polam VD III Calibration Insert 50A for E33 Fuse Bases

**URL:** https://aio.lv/en/product--eti-polam-002343002--12468819
**Data updated:** 2026-05-18 09:31 (EEST)
**Category:** Power Sockets
**Manufacturer:** Eti-Polam
**Manufacturer code:** 002343002
**EAN:** 5904722905580
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.99 €
**Prices and availability valid until:** 2026-08-06 23:59
**Price without VAT (21%):** 4.95 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--eti-polam-002343002--12468819

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 24.07.2026 | free |
| Pickup points | 29.07.2026 | 1.89 EUR |
| Courier delivery to door | 29.07.2026 | 4.99 EUR |

## Summary description

The Eti-Polam VD III calibration insert, rated at 50A, is designed for use with E33 fuse bases. This component ensures the correct installation of fuse links, preventing the use of higher-rated fuses than intended for the circuit. It is an essential safety element for electrical distribution systems, providing reliable protection and ensuring compliance with technical standards in industrial and residential electrical installations.

## Long description

The Eti-Polam VD III calibration insert, rated at 50A, is a precision-engineered component designed specifically for E33 fuse bases. Its primary function is to ensure that only the correct fuse link rating is installed within an electrical circuit, effectively preventing the accidental insertion of higher-rated fuses that could compromise system safety. By acting as a physical barrier, this calibration insert maintains the integrity of electrical distribution systems in both residential and industrial environments.
Advantages
This calibration insert provides a robust mechanical safeguard against electrical overcurrent protection errors. By restricting the fuse base to a specific amperage, it ensures that the circuit remains protected according to its original design parameters. The durable construction of the Eti-Polam insert guarantees long-term reliability and consistent performance, helping to prevent potential damage to wiring and connected equipment caused by the installation of incorrect fuse sizes.
Suitable for
Residential electrical distribution boards
Industrial control panels and switchgear
Protection of circuits requiring a maximum 50A fuse rating
Systems utilizing E33 standard fuse bases
When it may not be suitable
This component is not compatible with fuse bases other than the E33 standard. It should not be used in circuits where the required protection level differs from the 50A rating, as this would prevent the installation of the necessary fuse link.
Key specifications
Rated current: 50A
Compatibility: E33 fuse bases
Type: VD III calibration insert
How to use
To install the calibration insert, ensure the power to the electrical circuit is completely disconnected. Screw the insert into the center of the E33 fuse base until it is firmly seated. Once the insert is in place, the corresponding 50A fuse link can be installed. The insert will prevent any fuse with a larger physical contact diameter from being screwed into the base, thereby enforcing the current limit.
What to consider before purchase
Verify that your existing fuse base is of the E33 standard type
Confirm that the circuit design requires a maximum protection level of 50A
Ensure the installation environment is compatible with standard fuse-link accessories
Usage recommendations
Always verify that the calibration insert matches the circuit's maximum allowable current rating before installation. Never attempt to modify or force the insert into incompatible fuse bases, as this may lead to improper electrical contact or safety hazards.

## FAQ

### How much does the Eti-Polam VD III 50A Calibration Insert for E33 cost, and is it available for purchase?

The price is 5.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 32 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 24.07.2026 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/12468819/68771453_large.webp