OBO junction boxes

The entire range of junction boxes at a glance.

Small or large, classic or modern, for standard or special applications – OBO can offer a large range of many different types of junction box for every installation requirement in the different areas of application.

The everyday heroes: Junction boxes of the A series

The family of the includes our well-known classic brands. Made of halogen-free thermoplastic, they offer a simple solution to simple applications. The elastic material is particularly easy to use and, thanks to the external fastening and clamshell, the boxes are mounted quickly and simply. The supplied cutting tool also allows proper opening of the cable entries.

The practical sizes in 3 colours are matched to the applications: The smallest of the family, the A6, is even at home in inspection lamps and roller blind boxes. Its big brother can be found in lofts and basement workshops – a real everyday hero.

The T series: The all-rounders amongst the junction boxes

If you want a little more: The junction boxes, made from high-quality materials with sensible wall thicknesses, are particularly stable and thus perfectly equipped to handle greater loads. Thanks to the UV-stabilised plastic and the IP66 protection rating, they can withstand weathering conditions in both indoor and outdoor areas.

The junction boxes of the are characterised by their intelligent construction and practical details, because they are as versatile as the requirements placed on them. No matter whether dealing with a flexible wiring compartment of different shapes and sizes, the colour differentiation of circuits, checking of electrical components or use in the maintenance of electrical function – our all-rounders always offer the right solution. 


Maintenance of electrical function in case of fire: With the junction boxes of the FireBox series

A special variant of the T series: With the junction boxes of the the OBO product portfolio offers junction boxes tested for maintenance of electrical function in case of fire.

The different versions of the FireBox make it possible to connect and branch safety cables quickly and simply. Thus, in cases of fire, key electrical functions can be maintained for up to 90 minutes.

The X series: The extreme athlete amongst the waterproof distributor sockets

Professionals are at work here: The distributor sockets are high-quality and robust. With its impact resistance of IK09, the can withstand the strongest mechanical loads. Our extreme athletes are extremely dust-proof, UV-resistant and stand out through their water-tightness. This makes the junction boxes of the X series the right choice for tricky industrial applications and extreme weathering conditions – the ideal junction boxes for outdoor areas.

The well-thought-out and functional design of the junction boxes gives the X series a particularly high wiring compartment and offers a wide range of mounting options for installations in any environment.

Have you had a look? Our X series distributor sockets want to present themselves to you in this video .

The waterproof junction boxes of the MX series: As special as your applications

The aluminium empty housing of the junction boxes of the were designed for use under harshest conditions. Their metal housing can resist both extremely high and low temperatures as well as major differences in temperature. High impact loads in an industrial environment, vandalism or rock falls are not able to harm the housing.

With an IP66 protection class, the junction boxes of the MX series are also optimally protected against the intrusion of water and dust.


All the distributor sockets at a glance

With just one click, discover the whole range of the OBO junction boxes in our product video.


Planning aid for junction boxes and distributor boxes

Here, you can find tips for the installation of your junction boxes in interiors and exteriors and find out how to make the junction boxes for cables waterproof and weatherproof.

Here, you can also find basic information on our junction boxes and further products from the field of connection and fastening systems, such as our or .

Additional information