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Lumberg Connectors

Passion for Connections

German engineering excellence since 1934. We design and manufacture high-quality connectors and contact systems for automotive, building technology, home appliances, and mobile radio networks.

92+
Years of Innovation
800
Car Models
100+
Global Brands
43%
Size Reduction with RAST 1.5

A Legacy of Innovation Since 1934

We are an independent, German family business in the third generation and a specialist for connectors – and have been for over 92 years. Our success is built on sustainable performance, technical solution competence, and our “passion for connections.”

From the first TV set to the Apollo moon landing, and now in electric vehicles and smart buildings, Lumberg has been part of technological milestones. We engineer and produce connectors and contact systems of outstanding quality for individual technical applications.

Family-Owned German Engineering Sustainable Performance Global Reach
Lumberg Manufacturing Facility
1934

Industries We Serve

Lumberg delivers tailored connector solutions across key industries, combining decades of expertise with cutting-edge innovation.

Automotive Connectors

Automotive

800 car models from 100 brands rely on our connectors and modules – from conventional to pure electric vehicles. We drive innovation in every component.

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Building Technology

Building Technology

Our RAST connectors control modern technology in every heating system – from heat pumps and fuel cells to solar thermal applications.

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Home Appliances

Home Appliances

First choice in home appliances with uncompromising quality in our wide RAST range – pitch 1.5, 2.5, and 5 mm for reliable performance.

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Mobile Radio Networks

Mobile Radio Networks / AISG

Radically fast and highly innovative shielded AISG connectors for field deployment and high-volume pre-assembly.

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Industry & More

Industrial & Other Applications

From harnessing equipment to custom mechatronic components, we serve diverse industrial markets with precision-engineered solutions.

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Our Product Range

Discover our high-quality connector systems engineered for reliability, efficiency, and innovation across industries.

RAST 1.5

RAST 1.5 Connector System

  • • 43% smaller than RAST 2.5
  • • Pitch: 1.5 mm
  • • High-density PCB interconnect
  • • Ideal for compact electronics
Compact & Efficient
RAST 2.5

RAST 2.5 Connector System

  • • Pitch: 2.5 mm
  • • Robust design
  • • Widely used in home appliances
  • • High vibration resistance
Proven Reliability
RAST 5

RAST 5.0 Connector System

  • • Pitch: 5.0 mm
  • • High-current capability
  • • Used in heating systems
  • • Excellent thermal stability
Power & Durability
M16 SV/KV

M16 Circular Connectors (SV/KV)

  • • Crimp technology
  • • IP67 rated
  • • Compact M16 size
  • • Ideal for industrial automation
Robust & Sealed
Cat. 6a

Cat. 6a Modular Connectors

  • • IDT (Insulation Displacement)
  • • Tool-free installation
  • • Shielded for noise immunity
  • • Up to 500 MHz performance
High-Speed Data
AISG Connectors

AISG Shielded Connectors

  • • For RET and TMA systems
  • • High-volume pre-assembly
  • • Field-proven reliability
  • • Compatible with AISG 2.0
Mobile Infrastructure
PCB Connectors

PCB Connector Systems

  • • Multiple pitch options
  • • Surface mount & through-hole
  • • High mating cycles
  • • RoHS compliant
Precision Mounting
Harnessing Equipment

Harnessing Machines & Tools

  • • For automated cable assembly
  • • Crimping and termination
  • • Compatible with Lumberg connectors
  • • Industrial-grade durability
Efficient Production

Why Choose Lumberg?

1

German Quality

Engineered and manufactured in Germany with strict quality control and decades of expertise.

2

Innovation Leader

Pioneering compact designs like RAST 1.5 and high-performance AISG connectors.

3

Global Support

Sales and technical teams across Europe, Asia, and the Americas.

4

Sustainable Partner

Family-owned, independent, and committed to long-term customer relationships.

Latest News

Product News • August 6, 2025

Lumberg Expands M16 Portfolio

New SV and KV circular connectors with crimp technology for industrial applications.

Press Release • August 6, 2025

Lumberg Welcomes Seven New Trainees

Continuing our 92-year tradition of investing in skilled workforce development.

Product News • July 28, 2025

Cat. 6a Connectors with Tool-Free Install

New modular connectors with IDT technology for faster, more reliable data installations.

Upcoming Events

Feb 2–4, 2026
AHR Expo
Las Vegas, USA
Booth SU655
Mar 10–12, 2026
Embedded World
Nuremberg, Germany
Booth 641
Mar 10–11, 2026
All About Automation
Friedrichshafen, Germany
Booth 520
Mar 24–27, 2026
MCE Expocomfort
Milan, Italy
Booth N21

Get in Touch

Connect with our global sales and technical teams for product inquiries, support, and partnership opportunities.

Visit Official Website

Automotive

  • Christian Forner – CSO, T +49 2355 83-158
  • Holger Kabbert – Sales Manager, T +49 2355 83-3104
  • Jason Miller – USA, T +1 513 926 1439
  • Markus Cramer – China, T +86 21 58997373-126

Building Technology

  • Christian Forner – CSO, T +49 2355 83-158
  • Gunther Will – Sales Manager, T +49 2355 83-3576
  • Eric Qin – China, T +86 21 58997373-115
  • Jason Miller – USA, T +1 513 926 1439

Home Appliances

  • Christian Forner – CSO, T +49 2355 83-158
  • Stefan Martin – Sales Manager, T +49 2355 83-444
  • David Gateau – France, T +33 6 08670367
  • Liang Soon Lim – Singapore, T +65 63985566

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