# Fibre optic adapter EFB Elektronik 53305.31

**URL:** https://aio.lv/en/product--efb-elektronik-5330531--3221225
**Data updated:** 2026-01-05 20:32 (EET)
**Category:** Fiber Optic Cables
**Manufacturer:** EFB Elektronik
**Manufacturer code:** 53305.31
**EAN:** 4049759023553
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 4.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 4.12 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--efb-elektronik-5330531--3221225

## 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 EFB Elektronik 53305.31 fibre optic adapter features SC/ST connector types and is designed for multi-mode fiber applications. Made from durable plastic, this adapter ensures reliable connectivity and performance. Each pack contains one piece, making it ideal for individual use or small projects.

## Long description

The EFB Elektronik 53305.31 fibre optic adapter is a hybrid ST/SC duplex adapter in a plastic housing, intended for multi-mode fibre connections. It supports SC and ST connector types and is designed to fit SC duplex breakout holes. The adapter is supplied as a single unit and is suitable for use in small installations or individual connection points.
Advantages
This plastic-housed hybrid adapter provides compatibility between ST and SC duplex connectors, offers a compact footprint for panel installations, and can be mounted using screws or snap-in fixing. Its construction is suitable for multi-mode fibre applications and facilitates reliable physical connection between cables.
Suitable for
Multi-mode fibre patching and connections
SC duplex breakout panels and enclosures
Small installations and individual fibre links
Situations requiring hybrid ST-to-SC connectivity
Key specifications
Brand: EFB Elektronik
Model / MPN: 53305.31
EAN: 4049759023553
Connector types: ST / SC duplex hybrid
Housing material: plastic
Fibre type: Multi-mode
Mounting: screw or snap-in fixing
Pack quantity: 1 piece
How to use
Align the adapter with the SC duplex breakout hole in the panel and insert it, using snap-in fixing where applicable or secure it with screws through the mounting points. Plug compatible ST or SC multi-mode fibre connectors into the adapter until they are fully seated. Verify optical continuity and signal levels after installation to ensure proper connection.
Usage recommendations
Install in clean, dust-free conditions and use dust caps on unused ports. Handle fibre connectors by the boot or ferrule to avoid contamination. For best performance, ensure connectors are properly cleaned and tested after installation.

## Specifications

| Feature | Value |
|---|---|
| Housing material | Plastic |
| Connector type | SC/ST |
| Fiber mode structure | Multi-mode |
| Number of connectors | 4 |
| Duplex | Yes |
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the Fibre optic adapter EFB Elektronik 53305.31 cost, and is it available for purchase?

The price is 4.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 103 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 EFB Elektronik 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 EFB Elektronik 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/3221225/64207441_large.webp