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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
22.04.2026
Why earthed plugs don’t belong in fixed electrical installations?
It’s simple: They’re not meant for that!
27.03.2026
Looking back at Light + Building 2026
Six days of Light + Building are behind us. Six days full of exchange, innovation and new perspectives for the buildings of tomorrow.
20.03.2026
Where conversations turn into real partnerships - OMEGA Group
We had the pleasure of welcoming the Omega Group from Italy, Spain and France – a great opportunity for meaningful exchange.
10.03.2026
New Distribution Partnership in Switzerland: Cooperation with Ineltro AG
As of January 1, 2026, Adels-Contact has expanded its international sales network with an important new partner: Ineltro AG will act as the official distribution partner for our products in Switzerland. This step further strengthens an already successful collaboration and reinforces our presence in the Swiss market.
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:
Partner
