What Adels Contact does

Adels-Contact Elektrotechnische Fabrik GmbH & Co. KG is a privately held, family-owned German industrial manufacturer headquartered in Bergisch Gladbach, Germany. The company develops, produces, and distributes electrical terminal blocks and pluggable connectors for three primary use-case segments: lighting manufacturers (luminaires, LED modules, street lighting, continuous-row systems), building technology (permanent electrical installations compliant with EN 61535), and electrical appliance manufacturers. Its product portfolio spans screw and push-in terminal blocks (500 Series, LK-980-3), specialized connector systems (the proprietary AC 166® G building installation system, AC 164 compact system, AC 162 for LED/low-voltage), IP66/IP67/IP68 circular connectors and connection housings, the LEDtrack continuous-row lighting system, ZHAGA Book 18 street lighting connectors, and the terminaLED distribution box. Differentiated features include tool-free push-in connection technology, 70% installation time and 30% cost savings with the AC 166 G plug-and-play system, and compliance with EN 61535, DIN VDE 0100, and Zhaga Book 18 standards.

The business model is a straightforward B2B hardware-sales model: products are priced per unit on an ex-works basis with a EUR 100 minimum order value, 30-day payment terms, and surcharges on opened packaging units. Adels-Contact combines a direct sales team in Germany (with dedicated Sales Managers for OEM and Building Installation) with an expanding international distribution network — Ineltro AG covers Austria and Switzerland, OMEGA Group covers Italy, Spain, France, and Portugal, and TOP Electronic Components S.A. covers Greece. The customer base includes blue-chip European manufacturers and distributors such as Signify, Schreder, Siteco, Erco, Bega, Conrad Electronic, Stiebel Eltron, Brennenstuhl, Clage, and Insta. Ownership rests with Johann Hans Hochköppler (President) and Andreas Patrick Rumpff (Managing Director); the company is structured as a GmbH & Co. KG limited partnership with no external institutional investors or venture/PE involvement, operating with 51-100 employees on a self-funded, organic-growth basis. Revenue is generated through unit-based sales of certified, design-in connector and terminal-block components into long-lifecycle OEM and building-installation applications across Europe.

Name

Adels Contact

Legal name

Adels-Contact Elektrotechnische Fabrik GmbH & Co. KG

Website

https://adels-contact.com

Company type

Private

Founded year

1930

Operating status

Operating

Headcount range

51–100 employees

Short description

Adels-Contact is a privately held German manufacturer of electrical terminal blocks and pluggable connectors, serving lighting manufacturers, building-technology installers, and electrical-appliance OEMs across Europe via direct sales and a growing distributor network.

Ownership category

akta.pro rank

Product category

Electrical Connectors and Terminal Blocks

NAICS

Electronic Connector Manufacturing (334417), Current-Carrying Wiring Device Manufacturing (335931), Wiring Device Manufacturing (33593)

SIC

Electronic Connectors (3678), Electric Lighting & Wiring Equipment (3640), Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro primary industry

Wiring Devices & Receptacles (switches, sockets, plugs, industrial outlets, pin & sleeve) (IMAGAEAF)

akta.pro secondary industries

Connectors, Terminals & Lugs (industrial connectors, terminal blocks, lugs, ferrules, splices) (IMAGAEAE), Cable Accessories & Joints/Terminations (splices, joints, terminations, link boxes) (EUADADAC), Ruggedized/Harsh-Environment Electronics Manufacturing (IP-rated, shock/vibration, wide-temp) (IMAGAGAF)

Keywords

• Terminal blocks
• Pluggable connectors
• Building installation connectors
• Lighting connector systems
• Electrical connection technology

Headquarters

HQ city

Bergisch Gladbach

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales

Revenue model

1. Electrical Component Sales: Sale of electrical terminal blocks, connectors, and related components for building technology, lighting manufacturers, and electrical appliance manufacturers. Products include terminal blocks, circular connectors, LED connectors, building installation connectors, and fastening technology.

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels7 records

Core offering

Adels Contact manufactures and supplies terminal blocks, pluggable connectors, and connection systems for the lighting, building installation, and electrical appliance industries. Its portfolio spans screw, push-in, and SMD termination technologies, including IP68-rated circular connectors, the LEDtrack and terminaLED families for luminaire wiring, Zhaga Book 18 connectors for LED light engines, and the AC 166 G building installation connector system.

Product overview

Adels Contact is a specialist in electrical connection technology, offering a comprehensive portfolio of terminal blocks and connectors for building technology, lighting manufacturers, and electrical appliance makers. The product range centers on three main categories: (1) Terminal blocks including push-in/screwless (LK-980-3), screw-type (500 Series), fused (503-SI-3), and flat SMD types; (2) Connector systems including the AC 166 G building installation system (DIN EN 61535 compliant), AC 164 compact system, AC 162 for LED/low-voltage applications, and circular IP68 connectors; (3) Specialized solutions such as LEDtrack continuous row lighting system, ZHAGA book 18 street lighting connectors, and terminaLED distribution boxes. The AC 166 G flagship system enables 70% time savings and 30% cost reduction through plug-and-play functionality. All products address applications in lighting, building installation, electrical appliances, and industrial environments, with IP ratings from IP20 to IP68.

Differentiator

Problem solved

Functional benefit

Brands

• AC 166® G: Building Installation Connector System AC 166® G - a flexible, safe, and cost-effective building installation connector according to EN 61535.
• AC 164
• LEDtrack
• terminaLED

Products and services

• Push-in Terminal Blocks (e.g., LK-980-3) Push-in (tool-free) terminal blocks that allow quick wire connection without tools, targeted at OEMs and installers that need fast, reliable termination in luminaires, appliances, and building installations.
• LEDtrack Connector System A through-wiring connector system purpose-designed for linear LED luminaires, enabling continuous connection along a run of fixtures and simplifying LED fixture wiring during manufacture and on site.
• SMDflat Flat SMD Terminal Blocks Flat SMD-mountable terminal blocks for surface-mount assembly inside slim LED luminaires and other compact SMD-populated electronics, supporting automated SMT production.
• terminaLED Connectors Connector family designed to interconnect linear LED modules and LED boards inside luminaires, supporting modular LED fixture design.
• Zhaga Book 18 Connector Connector that conforms to the Zhaga Book 18 standard for LED light engines, providing a standardized interface between LED modules and luminaires for lighting OEMs.
• AC 164 Connector System Adels' AC 164 connector family, a pluggable connector system used in industrial and lighting applications for power and signal connection.
• Circular Connectors IP68 Circular connectors rated to IP68 for dust-tight and water-immersed connections in harsh environments, used in outdoor luminaires and industrial equipment.
• Circular Terminal Blocks IP68 Circular terminal blocks rated to IP68 for sealed connections in outdoor and industrial equipment, complementing the IP68 circular connector family.
• AC-171 Multibox Multibox connection and distribution housing used as a junction/connection enclosure for electrical installations.
• AC-179 Connection Housing Connection housing providing a sealed enclosure for electrical connections in indoor or outdoor installations.
• Fused Terminal Blocks (e.g., 503-SI-3) Fused terminal blocks that integrate circuit protection into the termination point for appliances, luminaires, and equipment requiring onboard fusing.
• Screw Terminal Blocks (500 Series) Classic screw-type terminal blocks for industrial and building wiring applications where a robust, conventional termination is required.
• AC 166 G Building Installation Connector System A plug-in connector system with phase selection, designed for fast, code-compliant wiring of luminaires and building services in commercial and residential installations.
• Screw-Screwless Connectors (900 Series) Hybrid connector series offering both screw and screwless termination options in one product family for OEMs and installers.
• Schnabl Fastening System Fastening/anchoring system that complements Adels connector products by providing installation hardware for electrical assemblies.

Quantifiable outcome

• 70% time savings during building installation using AC 166 G plug & play connectors
• +2 more outcomes

Named customers10 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Four partnerships are on record, tiered core.

• TOP Electronic Components S.A.coreChannel Partner/ Reseller/ Distributor · 27 May 2026Sales partnership for Greece. Based in Athens, TOP Electronic Components is an established distributor of electronic and electromechanical components serving the Greek market. Founded in 1993, with founding partners active since the 1970s. Company offers wide range of electronic, electromechanical, and industrial components and serves Greek market and international export.
• OMEGA GroupcoreChannel Partner/ Reseller/ Distributor · 20 March 2026European network partnership covering Italy, Spain, France, and Portugal. OMEGA Group origins date back to 1947 in Italy. Key distributor of leading international brands in electrical and electronic components including fuses, connectors, switches, sensors, and automation solutions. Integration of companies like Ermec strengthened Iberian market presence.
• Ineltro AGcoreChannel Partner/ Reseller/ Distributor · 1 January 2026Distribution partnership for Switzerland effective January 1, 2026. Ineltro AG, based in Regensdorf near Zurich, distributes Adels-Contact products in Switzerland. The partnership builds on successful collaboration since 2024 in Austria. Includes product training, joint customer meetings, and local market support. Ineltro is part of the Ineltro Group serving the DACH region.
• Federal Ministry for Research, Technology and SpacecoreOthers · 1 January 2026Research funding approval received for research and development project supporting further development of innovative and sustainable connection solutions and new technologies for industrial applications. Funding strengthens long-term competitiveness and creates momentum for future developments.

Scale indicators4 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Bals Elektrotechnik: German manufacturer of industrial plugs, sockets and connector systems including IP44/IP67/IP68 product families. Comparable to Adels-Contact's circular IP68 connectors and harsh-environment connection solutions.
• Wieland Electric: German manufacturer of pluggable electrical installation systems (e.g., gesis) and terminal blocks. Highly comparable to Adels-Contact's AC 166 G and AC 164 building installation connector systems serving lighting and HVAC OEMs.
• WAGO Kontakttechnik: German, family-owned specialist in spring-clamp and push-in terminal blocks and connectors for building installation and industrial applications. Closest direct competitor to Adels-Contact's push-in terminal blocks and AC 166-style building installation connectors.
• Phoenix Contact: German manufacturer of industrial electrical connection technology including terminal blocks, pluggable connectors and building installation systems. Directly overlaps with Adels-Contact's core product portfolio across OEM and building-installation channels.
• Weidmüller: German specialist in electrical connectivity, terminal blocks and pluggable connectors for industrial and building technology. Competes with Adels-Contact in the same installer and OEM segments, with broader international reach.
• Lumberg Group: German specialist in connector systems, terminal blocks and electromechanical components for industrial and lighting applications. Overlaps with Adels-Contact's terminal block and connector offering for OEMs and appliance manufacturers.
• Harting Technology Group: German family-owned manufacturer of industrial connectors, terminal blocks and cabling solutions. Competes with Adels-Contact in industrial-grade connector and terminal block categories, particularly for OEM customers.

Broad incumbents

• TE Connectivity: Global broad-line connector and electronic components manufacturer. Competes in many of Adels-Contact's end-use segments (lighting, building technology, appliances) through its broader portfolio but is not specialized in the building-installation EN 61535 niche.
• Molex: Global manufacturer of electronic interconnect solutions serving lighting, industrial and appliance OEMs. Adjacent competitor with much broader product scope and scale than Adels-Contact's focused connector range.
• Stäubli Electrical Connectors: Swiss-headquartered manufacturer of electrical connectors including CombiTac and building-installation solutions. Comparable to Adels-Contact in industrial and building connector segments, with broader product lines.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/user/AdelsContact
• Facebookfacebook.com/AdelsContact
• LinkedInlinkedin.com/company/adels-contact-elektrotechnische-fabrik

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Adels Contact