
Switchgear and automation solutions for industrial refrigeration, gas systems and mechanical engineering – from engineering to commissioning
Harms Schaltanlagen GmbH
OldenburgNew on Amplifa
About us
Harms Schaltanlagen GmbH designs, engineers and installs control cabinets and control systems for industry. The portfolio includes switchgear construction, PLC programming, process control systems and visualization as well as electrical installation for refrigeration systems. The control cabinets are made from sheet steel; a matching PLC program for plant control is developed for every hardware component. The scope of services ranges from cost-conscious engineering through transport, installation and testing to commissioning; maintenance, expansion and retrofit of existing systems are also part of the offering. Core industries are industrial refrigeration with the refrigerants NH3 and CO2, mechanical engineering, conveying technology as well as natural gas, LPG and hydrogen systems. The company was founded in 1991 by Bernd Harms in Edewecht and has been based in Oldenburg since 2012, where the production area has quadrupled since then.
- Site
- Oldenburg
- Processes
- Switchgear construction (control cabinets/control boxes), Design of switchgear, PLC programming, Process control systems & visualizations, Engineering of control systems through to commissioning, Electrical installation for refrigeration systems, Transport, installation, testing and commissioning of the switchgear, Maintenance, extension and modification of existing systems / retrofit
- Materials
- Sheet steel, PLC programming, Process control systems & visualization
- Certificates
- ISO-EN / DIN-VDE standards
- Founded
- 1991
- Industries
- Refrigeration technology and industrial refrigeration (NH3, CO2), Mechanical engineering, Conveying technology and conveying system construction, Natural gas, LPG and hydrogen systems (CNG, LNG), Heat pump systems, Steelworks
- 01
Engineering
- 02
Design
- 03
Switchgear construction (control cabinets)
- 04
PLC programming and visualization
- 05
Electrical installation
- 06
Transport, installation, testing
- 07
Commissioning
- 08
Maintenance and retrofit
Materials and processes
Sheet steel
Material for the construction of control cabinets and control boxes.
PLC programming
A matching program for plant control is developed for every hardware component.
Process control systems & visualization
Visualization and control of industrial processes.
Site

Oldenburg
DEHeadquarters, production and administration
- Materials
- Sheet steel
Components


Inside the production


Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Switchgear construction (control cabinets/control boxes)Assembly | – | – | – | – | Sheet steel (control cabinet) |
| Design of switchgearEngineering | – | – | – | – | – |
| PLC programmingEngineering | – | – | – | – | – |
| Process control systems & visualizationsEngineering | – | – | – | – | – |
| Engineering of control systems through to commissioningEngineering | – | – | – | – | – |
| Electrical installation for refrigeration systemsAssembly | – | – | – | – | – |
| Transport, installation, testing and commissioning of the switchgearAssembly | – | – | – | – | – |
| Maintenance, extension and modification of existing systems / retrofitAssembly | – | – | – | – | – |
Additional services
Quality
The switchgear complies with ISO-EN and DIN-VDE standards; customer-specific manufacturer or factory specifications can be taken into account on request.
| Evidence | Oldenburg |
|---|---|
| ISO-EN / DIN-VDE standards |
History
- 1991
Company founded by Bernd Harms in Edewecht, Ammerland
- 2012
Relocation of the site to Oldenburg; since then the production area has quadrupled