# Fibre optic adapter SC/ST EFB Elektronik 53320.3

**URL:** https://aio.lv/en/product--efb-elektronik-533203--3209852
**Data updated:** 2026-01-13 17:39 (EET)
**Category:** Cable Adapters & Converters
**Manufacturer:** EFB Elektronik
**Manufacturer code:** 53320.3
**EAN:** 4049759023638
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 4.99 €
**Prices and availability valid until:** 2026-07-17 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-533203--3209852

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

The EFB Elektronik 53320.3 fibre optic adapter features SC/ST connector types with uncoated contacts. Its blue color makes it easily identifiable. This adapter ensures reliable connections for fiber optic networks, providing excellent signal integrity and minimal loss. Ideal for various applications in telecommunications and data transmission.

## Long description

The EFB Elektronik fibre optic adapter with SC/ST connector types and uncoated contacts is designed to provide reliable optical connections in communication and data transmission systems. Its blue housing enables quick visual identification within patch panels and distribution frames. The adapter maintains precise alignment between SC and ST ferrules to preserve signal integrity and to minimize insertion loss in singlemode and multimode links where compatible.
Advantages
The adapter offers stable mechanical alignment between different connector styles, reducing back reflections and maintaining consistent optical performance. Its uncoated contacts are compatible with standard ferrule geometries and simplify mating of SC and ST connectors. The compact design fits standard adapter panels and minimizes space usage while providing a repeatable, low-loss junction point for fiber runs.
Suitable for
Patch panels and distribution frames in telecommunications racks
Interconnection of SC and ST terminated fiber cables
Laboratory setups and test benches for fiber link measurements
Fiber optic installations in data centres and network closets
Key specifications
Connector types: SC to ST adapter
Contact finish: uncoated ferrule contacts
Color: blue for easy identification
Form factor: compact adapter suitable for standard panels
Application: designed for optical signal coupling with low insertion loss
How to use
Insert an SC-terminated cable plug into the SC side of the adapter and an ST-terminated plug into the ST side, ensuring both connectors are fully seated and the latch or bayonet coupling engages correctly. Verify physical alignment visually and, where required, confirm optical continuity and insertion loss using appropriate test equipment. When disconnecting, release the bayonet or push-pull mechanism before removing the connector to avoid ferrule damage.
Usage recommendations
Handle the adapter and connected fibers with care to avoid contamination of ferrule endfaces; use dust caps when ports are unused and clean connector endfaces with approved fiber cleaning tools before mating. For consistent performance, verify connector cleanliness and inspect for physical damage prior to installation.

## Specifications

| Feature | Value |
|---|---|
| Fiber mode structure | Single-mode |
| Ferrule material | Ceramic |

### Other features

| Feature | Value |
|---|---|
| Connector type | SC/ST |
| Number of connectors | 2 |

### Features

| Feature | Value |
|---|---|
| Product colour | Blue |
| Connector contacts plating | Uncoated |

### Technical details

| Feature | Value |
|---|---|
| Housing material | Plastic |

## FAQ

### How much does the Fibre optic adapter EFB Elektronik 53320.3 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 — 76 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 03.07.2026 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/3209852/64206228_large.webp