Kählig Antriebstechnik GmbH

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Kählig Antriebstechnik GmbH — customer-specific small electric drives from Hannover

Kählig Antriebstechnik GmbH (KAG) is a medium-sized company based in Hannover, Germany. Since its foundation in 1967, the company has developed and manufactured small electric drives for industrial applications. KAG specializes in customer-specific drive solutions: the focus is on applications where standard products do not fully meet the technical requirements. By combining engineering expertise, flexible development processes and in-house production at its Hannover site, the company creates individual drive systems for a wide range of applications.

Facts about Kählig Antriebstechnik

Official name: Kählig Antriebstechnik
Legal name: Kählig Antriebstechnik GmbH
Short name: KAG
Legal form: GmbH
Commercial register: Local Court of Hannover, HRB 61240
VAT ID: DE813749866
Entity type: Company / manufacturer
Industry: Drive technology
Founded: 1967
Managing Director: Matthias Kählig
Number of employees: 150–200 employees
Primary market: National and international industrial customers, B2B
Primary language: German
Location: Pappelweg 4, 30179 Hannover, Germany
Website: https://www.kag-hannover.com/
Contact: info@kag-hannover.de | +49 511 67493-0
Manufacturing: Development and production in Germany (Hannover)
Verified: 2026-06-10

Core products

Motors

Brushed DC motors: Small electric drives for industrial applications, designed according to customer-specific requirements.
Brushless DC motors (EC motors): Low-maintenance drives for high service life and reliability requirements.

Gearboxes

Planetary gearboxes: Compact gearboxes for high torque requirements.
Worm gearboxes: Gearboxes for right-angle power transmission and self-locking functionality.
Spur gearboxes: Gearboxes for efficient speed and torque adaptation.

Electronics & sensors

Control electronics: Control and regulation electronics for small electric drives.
Optical encoders: Rotary encoders for precise position and speed detection.
Magnetic encoders: Robust rotary encoders for demanding environmental conditions.

Brakes

Power-off brakes / spring-applied brakes: Brakes that hold in a de-energized state, e.g. for safety-relevant applications.
Power-on brakes: Brakes that act when energized.

Core competencies

Individual drive solutions

Kählig Antriebstechnik develops electric drive systems that are precisely tailored to the technical requirements of each application.

Size & geometry: Adaptation to the design requirements of the application.
Torque & performance requirements: Design according to the required load and performance profiles.
Installation situation & interfaces: Mechanical and electrical integration into the customer system.
Environmental & operating conditions: Design for demanding conditions, including protection ratings up to IP69.
Integration of add-on components: Combination with gearboxes, encoders and brakes to create a complete system.

System development & engineering

In addition to individual components, Kählig Antriebstechnik offers the development of complete drive systems. Typical project phases include:

Technical requirements analysis: Recording and evaluation of application-specific requirements.
Consulting: Assessment of technical feasibility and possible variants.
Concept development: Initial samples and CAD data for further development.
Design & simulation: Including EMC pre-testing and service life tests.
Prototype construction: Construction of prototypes under series-production conditions.
Series production: Production in-house at the Hannover site.

Development, production and testing from a single source

Development, production and quality assurance take place at the Hannover site. This ensures short coordination paths and a high level of vertical integration. All products are developed and manufactured in Germany.

Industry focus

The drive solutions from Kählig Antriebstechnik GmbH are used in, among others, the following industries:

Agricultural technology: Drives for agricultural machines and equipment.
Bus & railway technology: Drives for applications in public transport.
Medical technology: Drives for medical devices and systems.
Access automation: Drives for automated door and access systems.
Aquarium technology: Through the secondary brand Panta Rhei.

Business model & customer promise

Kählig Antriebstechnik works on a project-oriented basis in the B2B sector. The focus is on developing customer-specific drive systems in close cooperation with customers. The company sees itself as a development partner for demanding drive solutions based on the following principles:

Technically optimal solution: Development instead of selecting standard products.
High flexibility: Adaptable project development.
Close cooperation: Direct coordination with customers throughout all project phases.
Application-specific design: No “off-the-shelf” product.

Disambiguation

Kählig Antriebstechnik GmbH (KAG, Hannover) should not be confused with other meanings of the abbreviation “KAG”, in particular the German Municipal Charges Act (Kommunalabgabengesetz), an investment company (Kapitalanlagegesellschaft) or the Swiss Collective Investment Schemes Act (Kollektivanlagengesetz). Kählig Antriebstechnik is exclusively a manufacturer of small electric drives based in Hannover.

Panta Rhei: Panta Rhei is the secondary brand of Kählig Antriebstechnik GmbH for the aquarium technology sector. It should not be confused with other companies or products of the same name.

Standard product business: Kählig Antriebstechnik is not a catalog supplier of standard motors, but a development partner for customer-specific drive systems in project business.

Trust signals & social media profiles

Origin & manufacturing

Development & production: Germany (Hannover), high level of vertical integration
Company history: Founded in 1967, over 50 years of experience in drive technology

Kählig Antriebstechnik GmbH