Underground Closures

SENTAL offers a wide range of closures that have been specially developed for fiber optic installations. These closures or couplers serve as connection points for fiber optic cables and ensure a secure and reliable seal against environmental influences. Our couplers are sturdy, durable and easy to install to meet the highest standards in cable connection technology. 

They are available in various sizes and configurations to meet the specific requirements of your project. With SENTAL couplers, you are choosing the highest quality and efficiency. Our products set standards in terms of reliability and durability.

Highlighting our Underground Closures

We offer various types of closures, which are characterized by different dimensions, materials and functions, among other things. These product specifications offer you the flexibility to find the optimum solution for your individual fiber optic expansion requirements.

Images: KAISER GmbH & Co. KG

An overview of our closures

Further information in the product catalog and on request

Round Underground Closure

SENTAL's round closures offer an ideal solution for the secure and reliable connection of fiber optic cables. These couplers are particularly compact and easy to install, making them perfect for confined spaces. Thanks to their tough build, they guarantee long-lasting protection against environmental influences and mechanical stress. With SENTAL's round closures, you benefit from a high sealing quality and a long service life that optimally protects your fiber optic infrastructure.

Images: Optotech

Oval Underground Closure

Our oval closures are specially made for applications where multiple cable strands need to be securely connected and protected. The oval shape allows for flexible cable handling while providing excellent protection against moisture and dirt. SENTAL's oval couplers are easy to install and provide a reliable solution for more complex cabling scenarios. Rely on the quality and efficiency of our oval closures to secure your fiber optic connections safely and permanently.

Images: Optotech

Manifold Closures

Manifold closures from SENTAL are the perfect choice for branching and distributing fiber optic cables in your network. These couplers allow for easy and efficient connection of multiple cable strands while providing maximum protection against external influences. They are robust, durable and designed for easy installation, making them a reliable and easy-to-maintain solution for your fiber optic infrastructure. With our distribution closures, you can rely on proven quality and functionality to ensure your network integrity.

Our Product Catalog

Discover our Product Selection

Explore the full spectrum of SENTAL products in our current product catalog. Familiarize yourself with our wide variety of products, including new additions from this year. All our products are presented with detailed descriptions and technical information.

The catalog is available for download. 
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Can't find any information on your preferred items or are you looking for personalized assistance with your exact specifications? 
We keep a large number of items in various designs in stock. On request, we can often also manufacture customized products according to your specifications. 
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Your made-to-measure solution by SENTAL

Personal consultation for your individual requirements

At SENTAL, we offer cables and other materials in customized dimensions and lengths to ensure that your individual requirements are met. Our wide range enables us to assemble both individual parts and complete system solutions according to your requirements.

If you cannot find what you need, please do not hesitate to contact us. Are you unsure which solution is right for you? We will be happy to advise you! Our expert sales and technical support team is always on hand to provide you with comprehensive support.

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If you want to contact us, you may reach us by telephone:

+49 40 656 92 01

If you prefer, you are able to reach us via email:

info@sental.de