Product Finder
Lighting
Electrical Appliances
Installation
LightingElectrical AppliancesInstallationLighting and Housing Connection IP66/IP67/IP68
Simple, safe, and cost-effective
Push-in Terminal Blocks
Push – Press – Play: The easy and quick connection
LEDtrack
Connection and linking system for intelligent light strip systems
SMD Terminal Blocks
Flat SMD terminal blocks for safe and easy LED module connection
ZHAGA book 18
Connector for street lighting
Connector Systems IP20/40
Flexibility, safety, and cost efficiency
Circular Connectors IP68
The safe, flexible installation for rough environments
Circular Terminal Blocks IP68
The safe connection solution against water and dust
Connection Housing IP6x
The safe, flexible installation for rough environments
Fused Terminal Blocks
Protection of sensitive luminaires and appliances
Screw Terminal Blocks
Proven connection of electrical devices and lighting
Connectors 160/163
The alternative connection solution for devices, drives, and lights
Screwless Connectors
Push, Press, Play – The easy and quick connection
Screw-Screwless Connectors
The “hybrid solution“ in the connectors world
Building Installation Connector System AC 166® G
Flexibility, safety, and cost efficiency
Connectors System AC 164
The compact installation connector for limited space
Circular Connectors IP68
The safe connection solution against water and dust
Connectors System AC 162
The system for LED and low-voltage applications
terminaLED
LED distribution box
Terminal Blocks: ADELS-Contact - The Specialist in Connecting Technology
Adels-Contact is a medium-sized, independent industrial company based in Bergisch Gladbach. Our business is the development, production and distribution of electrical terminal blocks and connectors for building technology and manufacturers of lighting and electrical appliances. Together with our customers, we work on the topics of energy efficiency, climate change and sustainability.
References
Newsblog
18.02.2026
Light + Building 2026 - We are part of it!
From 8 to 13 March 2026, Frankfurt am Main will once again become the international meeting place for the lighting and building technology industry. At the Messe Frankfurt exhibition grounds, leading companies will present their innovations for intelligent, sustainable and connected building solutions – and we are proud to be part of it!
28.01.2026
Looking back on 2025: A year of development, partnerships and progress
2025 had so much to offer – it was definitely not easy for us to choose. So many exciting things happened, so we picked out a few special moments and milestones that shaped our year:
26.11.2025
Why “Made in Germany” makes the difference in connectors – Quality, Safety, Reliability
In a world where electrical installations are becoming more complex, interconnected and safety-critical, every detail matters. Especially where electricity flows, material quality, precision, and compliance with standards determine the performance of the entire system.
29.10.2025
Stronger Together – Celebrating 10 and 20 Years of Partnership
We’re celebrating two very special anniversaries with our distribution partners:
09.10.2025
AC 166 GVB Distributor Boxes: Expansion of the AC 166 G® family for versatile electrical installations
Our AC 166 G® product family for flexible electrical installation has grown.
01.10.2025
Teambuilding with our Partner Hemmink: A day of exchange, insights and experiences
We had the pleasure of welcoming our distributor Hemmink to our headquarters for an inspiring day of knowledge-sharing, networking, and team spirit.
Partner
