Manufacture of custom small electric motors, gearboxes and drive systems – from one-off to large series, Made in Germany
ASTRO Motorengesellschaft mbH & Co. KG
Geestland (Debstedt)New on Amplifa
About ASTRO Motors
ASTRO Motorengesellschaft mbH & Co. KG is a manufacturer of small electric motors built to customer specification, based in Geestland (Debstedt) in northern Germany. Founded in 1983, the owner-managed family business is now in its second generation and produces synchronous motors, DC motors (with and without carbon brushes/BLDC), stepper motors, servo and actuator motors, as well as explosion-proof motors in ATEX versions and motors in stainless steel enclosures (hygienic design). Thanks to a modular construction, motors and gearboxes are created in millions of combinations – with quantities from 1 to 50,000 per year and no minimum order quantity. The product range is complemented by spur, planetary, flat and worm gearboxes, an in-house winding shop for custom motor voltages, electronic control systems (system supplier since 2009) and complete assemblies. All manufacturing takes place exclusively in Germany; deliveries are made to every continent except Antarctica. ASTRO is an official partner of Schneider Electric Automation for Berger Lahr synchronous motors (since 2017) and exclusive partner for Berger Lahr can-stack motors (since October 2025).
- Site
- Geestland
- Processes
- Manufacture of small electric motors (synchronous motors) to customer specification, Manufacture of DC motors (with carbon brushes), Manufacture of BLDC motors (brushless DC motors) and electronically controlled motors, Manufacture of stepper motors, Manufacture of servo motors, Manufacture of actuator motors, Manufacture of explosion-proof motors (ATEX, flameproof enclosure), Manufacture of motors in stainless steel enclosures / hygienic design
- Materials
- Stainless steel, Plastic (gearbox housing), Metal (gearbox housing), Copper, Plastic, Metal
- Certificates
- ISO 9001:2015, ATEX, IECEx, UL, CSA, VDE
- Founded
- 1983
- Industries
- Automotive, Chemical-pharmaceutical industry, Food industry, Electronics, Aerospace, Medical technology
- 01
Development and design (including cooperation with the universities of
- 02
In-house motor winding (winding shop)
- 03
Motor manufacturing and gearbox manufacturing
- 04
Assembly of motors, gearboxes and complete assemblies
- 05
Quality inspection and certification (ATEX, UL, CSA)
- 06
Worldwide delivery
Materials & Versions
Stainless steel
Used for housings and motors in stainless steel enclosures / hygienic design, e.g. for the food and chemical-pharmaceutical industries.
Copper
Winding wire for the in-house winding shop, with which any desired motor voltage can be realized.
Plastic
Housing material for spur, planetary and flat gearboxes.
Metal
Housing material for gearboxes, especially for higher loads and worm gearboxes.
Site
Geestland (Debstedt)
DEHeadquarters, development and manufacturing
- Part weight / size
- Small motors up to 200 W power
- Lot size
- 1–50,000 per year; express production of 1–5 units
- Materials
- Stainless steel, copper, plastic, metal
- In-house winding shop
- Assembly production
- Production hall with extended machine equipment and automation
Components & Products
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Manufacture of small electric motors (synchronous motors) to customer specificationAssembly | – | Stator length 80 mm | – | 1 unit – 50,000 per year | – |
| Manufacture of DC motors (with carbon brushes)Assembly | – | Housing length 150 mm × Housing diameter 120 mm | – | 1 unit – 50,000 per year | Stainless steel |
| Manufacture of BLDC motors (brushless DC motors) and electronically controlled motorsAssembly | – | – | – | 1 unit – 50,000 per year | – |
| Manufacture of stepper motorsAssembly | – | – | – | – | – |
| Manufacture of servo motorsAssembly | – | – | – | – | – |
| Manufacture of actuator motorsAssembly | – | – | – | – | – |
| Manufacture of explosion-proof motors (ATEX, flameproof enclosure)Assembly | – | – | – | – | – |
| Manufacture of motors in stainless steel enclosures / hygienic designAssembly | – | – | – | – | Stainless steel |
| Manufacture of spur gearboxesAssembly | – | Length up to 200 mm × Shaft diameter 12 mm | Loadable up to 16 Nm | – | Plastic, Metal |
| Manufacture of planetary gearboxesAssembly | – | Length up to 100 mm × Shaft diameter 18 mm | Loadable up to 50 Nm | – | Plastic, Metal |
| Manufacture of worm gearboxesAssembly | – | Length up to 100 mm × Shaft diameter 18 mm | Loadable up to 28 Nm | – | Metal |
| Manufacture of flat gearboxesAssembly | – | Length up to 100 mm × Shaft diameter 18 mm | Loadable up to 20 Nm | – | Plastic, Metal |
| Manufacture of complete assemblies and system components (e.g. force-length measuring device)Assembly | – | – | – | – | – |
| In-house motor winding (winding shop), custom motor voltagesJoining | – | – | – | – | Copper |
| Custom adaptation of motors (cable lengths, connector fittings, rotor shaft versions)Assembly | – | – | – | – | – |
| Replacement production / custom replica motors (e.g. Berger Lahr RSM 8, Max Stegmann)Assembly | – | – | – | – | – |
| Express production of small motors (quantities 1–5, delivery within 24 to 36 hours)Assembly | – | – | – | 1 – 5 | – |
| Electronic control systems (system supplier since 2009)Engineering | – | – | – | – | – |
Additional services
Reference customers
Quality & Certification
Essential parts of the motor range are certified with the highest protection classes, including ATEX, IECEx, CSA and UL; over 95% of the synchronous motors are UL- and CSA-approved. The company is certified to ISO 9001:2015 (TÜV Rheinland, initial certification 2002).
| Evidence | Geestland (Debstedt) |
|---|---|
| ISO 9001:2015 | |
| ATEX | |
| IECEx | |
| UL | |
| CSA | |
| VDE |
History
- 1981
Start of motor development
- 1983
Foundation of ASTRO Motorengesellschaft by Walter Hopp; development of a novel type of synchronous motor
- 2002
Initial ISO 9001 certification
- 2009
System supplier with its own electronic control systems
- 2017
Prizewinner of the Großer Preis des Mittelstandes (Grand Prix of SMEs); partner of Schneider Electric Automation for Berger Lahr geared synchronous motors
- 2025
Exclusive partner of Schneider Electric Automation for Berger Lahr can-stack motors (from October)
- 2026
Worldwide processing of all Berger Lahr can-stack motor orders by ASTRO