# Eti-Polam D02 Fuse Link 50A gR 400V AC/250V DC

**URL:** https://aio.lv/en/product--eti-polam-004312004--12489690
**Data updated:** 2026-06-02 20:06 (EEST)
**Category:** Power Sockets
**Manufacturer:** Eti-Polam
**Manufacturer code:** 004312004
**EAN:** 5904722914667
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Eti-Polam D02 fuse link, model D02UQ50A, is a high-quality electrical protection component rated for 50A. Designed for gR characteristic applications, it provides reliable protection for semiconductor devices against short circuits and overloads. It supports a rated voltage of 400V AC and 250V DC, making it suitable for industrial and commercial electrical systems requiring precise current limitation and safety.

## Long description

The Eti-Polam D02 fuse link is a specialized electrical protection component engineered to safeguard sensitive semiconductor equipment. With a rated current of 50A, this device is designed to interrupt electrical circuits rapidly in the event of a short circuit or overload, ensuring the integrity of connected electronic systems. It is built to operate effectively within industrial and commercial electrical infrastructures, providing a reliable safety barrier for critical power components.
Advantages
This fuse link offers high-speed protection specifically tailored for semiconductor applications, which are highly sensitive to current surges. Its robust construction ensures consistent performance under demanding electrical conditions. By providing precise current limitation, it helps prevent costly damage to expensive electronic hardware, thereby increasing the overall longevity and reliability of the electrical system. The dual-voltage capability allows for versatile integration into both AC and DC power circuits.
Suitable for
Semiconductor protection
Industrial power distribution systems
Commercial electrical control panels
Power electronics and converter circuits
When it may not be suitable
This fuse is not intended for general-purpose household circuit protection where standard gG type fuses are typically required. It is specifically optimized for semiconductor protection and may not provide the correct tripping characteristics for standard motor starting or general lighting circuits.
Key specifications
Rated current: 50A
Characteristic: gR (semiconductor protection)
Rated voltage AC: 400V
Rated voltage DC: 250V
Size: D02
How to use
The fuse link should be installed into a compatible D02 fuse base or holder by a qualified professional. Ensure that the power supply is completely disconnected before attempting installation or replacement. Insert the fuse firmly into the base, ensuring proper contact alignment. Once installed, verify that the circuit is secure and that the fuse is correctly seated before restoring power to the system.
What to consider before purchase
Verify that the 50A rating matches your circuit requirements.
Ensure the fuse base is compatible with the D02 standard.
Confirm that the application involves semiconductor protection to utilize the gR characteristic effectively.
Usage recommendations
Always replace a blown fuse with one of the exact same rating and characteristic. Never attempt to bypass or repair a fuse, as this compromises the safety of the entire electrical installation.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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

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