
Specialist company for electrical drive technology: drives, custom drives, service & maintenance and diagnostics from a single source.
Clemens Lammers GmbH & Co. KG
Rheine (DE) · Nagytarcsa (HU)New on Amplifa
Fully integrated specialist company for drive technology
Clemens Lammers GmbH & Co. KG has been active in electrical drive technology since 1946 and carries out all mechanical and electrical processing steps in-house. The service portfolio comprises the four business units drive technology with more than 60,000 stocked electric drives, custom drives built to customer specifications, service & maintenance and diagnostics. The offering includes repair and overhaul of AC, DC and servo motors, generators, gear motors, pumps, compressors, fans and transformers, including explosion-protected motors (approved by the RP Münster district government). In-house capabilities include turning, milling, balancing up to 6 t as well as assembly and disassembly facilities up to 20 t. Diagnostics include frequency and vibration analysis, thermography, laser-optical alignment systems, surge voltage testing and load test benches up to 400 kW; in addition, the company offers the ZOI© – condition-oriented maintenance concept and a 24-hour emergency service. Customers include, among others, the chemical and petrochemical industry, offshore and marine applications as well as the pump, fan, compressor and conveying technology sectors. Locations are Rheine (DE) and Nagytarcsa (Hungary, Lammers Trióda Motor Kft.).
- Site
- Rheine
- Processes
- Turning (in-house mechanical machining), Milling (in-house mechanical machining), Balancing up to 6 t, Overhaul/repair of AC, DC and servo motors, Overhaul/repair of generators, gear motors, pumps, compressors, fans, Repair of explosion-protected motors EEx-e and EEx-d (approved by RP Münster), Lifting, disassembly and assembly facilities up to 20 t, Custom drives – design and manufacturing to customer specifications
- Materials
- Low-voltage motors, Medium/high-voltage motors, IP 23 motors, Explosion-protected motors, Frequency inverters and controls
- Certificates
- ISO 9001:2015, ISO 45001:2018, ISO 14001:2015, ATEX Zone 2 / 21 / 22 inspections, approval for overhaul of explosion-protected, Marine classifications: Bureau Veritas, RINA, DNV (GL), Lloyd's Register, ISO 9001, ISO 14001, ISO 45001, ATEX approvals (Zone 2/21/22), Marine classifications (BV, RINA, DNV, LRS), Siemens Service-Delivery Partner, IATF 16949
- Founded
- 1946
- Employees
- more than 100
- Industries
- Chemicals/petrochemicals, Offshore/marine/shipbuilding, Pump and fan industry, Compressors, Crane and conveying technology, High-bay warehouses
- 01
Drive selection / engineering for custom drives
- 02
Trading and stocking (electric motors, frequency inverters, gearboxes)
- 03
In-house machining (turning, milling)
- 04
Assembly / disassembly up to 20 t
- 05
Overhaul and repair (including explosion-protected motors)
- 06
Diagnostics and test bench tests up to 400 kW
- 07
ZOI© – condition-oriented maintenance, 24/7 emergency service
Drives, processes and testing technologies
Low-voltage motors
Frame sizes 63–400, IE1–IE5, aluminium and cast iron versions, various protection classes and marine classifications.
Medium/high-voltage motors
185 kW – 5 MW, 3–13.8 kV, for industrial fans and pump applications.
IP 23 motors
11 kW – 710 kW, compact through-ventilated design for confined spaces.
Explosion-protected motors
Frame sizes 63–315, types of protection Ex e, Ex d, Ex nA, Ex tb, Ex tc.
Frequency inverters and controls
Up to 450 kW in various protection classes, for variable-speed operation.
Locations

Rheine
DEHeadquarters: drive technology, service & maintenance, production, warehouse/logistics
- Part weight / size
- Assembly/disassembly up to 20 t, balancing up to 6 t
- Lot size
- Warehouse with over 60,000 drives; single-unit and series requirements
- Materials
- AC, DC and servo motors, generators, gear motors, pumps, compressors, fans, transformers
- Load test benches up to 400 kW (AC/DC motors, generators, servo motors)
- Laser-optical alignment systems
- Thermography systems
- Turning and milling machining
- Lifting, disassembly and assembly facilities up to 20 t
Nagytarcsa
HUSubsidiary Lammers Trióda Motor Kft.
Drives and services






Inside the production







Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Turning (in-house mechanical machining)Machining | – | – | – | – | – |
| Milling (in-house mechanical machining)Machining | – | – | – | – | – |
| Balancing up to 6 tMachining | – | – | 6 t | – | – |
| Overhaul/repair of AC, DC and servo motorsAssembly | – | – | – | – | – |
| Overhaul/repair of generators, gear motors, pumps, compressors, fansAssembly | – | – | – | – | – |
| Repair of explosion-protected motors EEx-e and EEx-d (approved by RP Münster)Assembly | – | – | – | – | – |
| Lifting, disassembly and assembly facilities up to 20 tAssembly | – | – | 20 t | – | – |
| Custom drives – design and manufacturing to customer specificationsEngineering | – | – | – | – | – |
| Diagnostics: frequency and vibration analysis, thermography, laser-optical alignment systemsTesting | – | – | – | – | – |
| Surge voltage testingTesting | – | – | – | – | – |
| Grid-parallel operation of synchronous generators (testing)Testing | – | – | – | – | – |
| Load tests up to 400 kW (test benches for AC/DC motors, generators, servo motors)Testing | – | – | – | – | – |
| ZOI© – condition-oriented maintenance (servicing, maintenance, repair)Assembly | – | – | – | – | – |
| 24/7 on-call service / emergency serviceAssembly | – | – | – | – | – |
| Supply/trading of electric drives (more than 60,000 drives stocked: electric motors)Assembly | – | – | – | – | – |
5 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Load test bench for electric motors | – | 1 | – | 1982 | Rheine |
| Test field for load tests up to 400 kW | – | 1 | – | 2017 | Rheine |
| Test bench for AC and DC motors, generators, servo motors | – | – | Load tests up to 400 kW | – | Rheine |
| Laser-optical alignment system | – | – | – | – | Rheine |
| Thermography system | – | – | – | – | Rheine |
Additional services
Quality, distinguished
The management system is certified by Lloyd's Register according to ISO 9001:2015, ISO 14001:2015 and ISO 45001:2018; approval for the overhaul of explosion-protected motors is held through the RP Münster (ATEX zones). In addition, marine classifications (Bureau Veritas, RINA, DNV GL, Lloyd's Register) are in place.
| Evidence | Rheine |
|---|---|
| ISO 9001 | |
| ISO 14001 | |
| ISO 45001 | |
| ATEX approvals (Zone 2/21/22) | |
| Marine classifications (BV, RINA, DNV, LRS) | |
| Siemens Service-Delivery Partner | |
| IATF 16949 |
Quality with a history
- 1946
Foundation of the company Clemens Lammers in Rheine
- 1949
Move to the new building on Salzbergener Straße
- 1971
Approval for the overhaul of explosion-protected electric motors and equipment by the RP Münster
- 1972
Takeover of the MEZ general agency
- 1978
Relocation of operations to the Nord industrial park
- 1982
Commissioning of a load test bench for electric motors
- 1985
Construction of an additional warehouse
- 1990
Near-doubling of production and warehouse space through acquisition of neighbouring buildings
- 1996
Introduction of the ZOI© – condition-oriented maintenance concept
- 2000
Expansion of the load test bench
- 2001
Recognition as the first specialist company for drive technology® nationwide
- 2003
Innovation award of the BMBF for components of the ZOI© concept
- 2007
Complete relocation to the new site Offenbergweg 17, Rheine
- 2008
Foundation of Lammers Trióda Motor Kft., Budapest/Hungary
- 2014
Expansion of the warehouse and logistics area by two halls, total built-up area approx. 10,000 m²
- 2017
New test field for load tests up to 400 kW