
Control cabinets, annunciator and operator panels as well as PLC controls and CNC contract manufacturing for industry and building technology.

elektro systembau bender GmbH & Co. KG
Grünberg, HesseNew on Amplifa
About esb
elektro systembau bender GmbH & Co. KG (esb) is an owner-managed electrical engineering company based in Grünberg, Hesse. Its core business comprises the planning, programming and construction of control cabinets, distribution systems and annunciator and operator panels, complemented by CNC contract manufacturing for simple to medium-complex milled parts up to 1000 x 500 mm. The panels are manufactured using various techniques – as glass, foil, stainless steel and aluminium panels as well as touch-sensitive panels with integrated I/O system. In addition to manufacturing, esb provides PLC programming for process controls, especially for ventilation, extraction and electroplating systems, as well as assembly group manufacturing, commissioning and a worldwide service with a 24/7 hotline, remote service and preventive maintenance. Customers include hospitals and university clinics worldwide as well as industrial companies such as Melitta. The company employs around 50 staff at its Grünberg site and has been in operation since 1968.
- Site
- Grünberg
- Processes
- CNC milling / CNC contract manufacturing (simple to medium-complex milled parts), Assembly group manufacturing including purchasing of DIN parts and inspection/adjustment work, Control cabinet construction / production of distribution cabinets, Production of annunciator and operator panels (engraving, LC display, foil surface, touch panels), Project engineering and planning of electrical engineering systems, Control programming (PLC/process control) for ventilation, extraction and electroplating systems, Commissioning, maintenance and service of electrical engineering systems (24/7, remote service), Foil and printing technology / digital printing systems
- Materials
- Glass panels, Foil panels, Stainless steel panels, Aluminium panels, Touch Control Panel
- Certificates
- ISO 9001
- Founded
- 1968
- Employees
- 50
- Industries
- Medical/hospitals, Electroplating, Extraction and ventilation technology, Industrial plants, Building technology, Process technology
- 01
Project engineering and planning
- 02
PLC programming
- 03
Control cabinet and panel construction
- 04
CNC contract manufacturing
- 05
Assembly group manufacturing
- 06
Commissioning
- 07
Service & maintenance
Materials and Processes
Glass panels
Annunciator and operator panels for indoor and outdoor areas of building and process control technology.
Foil panels
Panels with foil surface, also antibacterial, e.g. for medical areas.
Stainless steel panels
Robust annunciator and operator panels for demanding environments.
Aluminium panels
Lightweight panel variant for a variety of applications.
Touch Control Panel
Touch-sensitive surfaces for operating and monitoring systems.
Locations

Grünberg
DEHeadquarters and production
- Lot size
- Single parts to small series
- Materials
- Stainless steel, aluminium, foil, glass
- CNC milling
- Control cabinet construction
- Foil printing technology
Products and Components





Inside the production





Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| CNC milling / CNC contract manufacturing (simple to medium-complex milled parts)Machining | – | 1000 mm × 500 mm | – | Single parts – Small series | – |
| Assembly group manufacturing including purchasing of DIN parts and inspection/adjustment workAssembly | – | – | – | – | – |
| Control cabinet construction / production of distribution cabinetsAssembly | – | – | – | – | – |
| Production of annunciator and operator panels (engraving, LC display, foil surface, touch panels)Assembly | – | – | – | – | Glass panels, Foil panels, Stainless steel panels, Aluminium panels |
| Project engineering and planning of electrical engineering systemsEngineering | – | – | – | – | – |
| Control programming (PLC/process control) for ventilation, extraction and electroplating systemsEngineering | – | – | – | – | – |
| Commissioning, maintenance and service of electrical engineering systems (24/7, remote service)Engineering | – | – | – | – | – |
| Foil and printing technology / digital printing systemsSurface | – | – | – | – | – |
Additional services
Reference customers
Quality
Implementation follows clearly defined structures with control mechanisms, a high level of in-house production depth and qualified staff; the company is certified according to ISO 9001.
| Evidence | Grünberg |
|---|---|
| ISO 9001 |
Company History
- 1968
Beginning with the construction of the first panels and complete distribution systems as the control panel construction department of the Dipl.-Ing. Walther Bender GmbH & Co. KG group.
- 2000
Christian Bender takes over management as owner and managing director.
- 2002
Integration of foil and printing technology as a further business division.
- 2015
Presentation on MAPP technology by Christian Bender at the B&R InnovationDays.