Manufacturer of temperature-based components: thermal switches, temperature sensors, time switches and keypads for industry, medical and automotive.
Limitor GmbH
Urbach (Headquarters) · Pécs, Hungary (Production, approx. 2,700 m²)New on Amplifa
About Limitor
Limitor is a manufacturer of temperature-based component technology headquartered in Urbach near Stuttgart, with production at the Pécs site in Hungary (Limitor Hungária Kft.). The product range includes temperature monitors, temperature limiters, current and temperature limiters, thermal fuses, time switches, temperature sensors (NTC, PT100/PT1000), keypads and connecting cables. Manufacturing covers injection moulding, soldering robotics, reflow and hand soldering, cable assembly, two-component potting, welding with welding machines, marking and assembly; all products are 100 % function-tested. Materials include PA66, PTFE, stainless steel and brass. Customers come from industry, medical, science, automotive, agriculture, marine and building services; delivery is carried out with the company's own transport logistics to Europe and Asia. Since 2020, Limitor has been part of the discoverIE Group and is assigned to the Variohm Group.
- Site
- Urbach
- Processes
- Soldering (solder iron soldering, reflow soldering, hand soldering), Cable assembly (wire cutting, crimping manual/semi-/fully automatic, wiring harnesses), Potting of components (two-component potting), Injection moulding, Welding with welding machines, Laser marking / marking (pad printing, inkjet printing), Electrical testing and measurement (Hi-Pot, voltage/resistance measurement, continuity test), Thermal measurements in special ovens/heat test lines, temperature tests
- Materials
- PA66, PTFE, Stainless steel, Brass, Injection moulding, Two-component potting
- Certificates
- ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, ISO 9001, ISO 14001, ISO 45001
- Founded
- 1979
- Employees
- 100
- Industries
- Industry, Medical, Science, Automotive, Agriculture, Maritime shipping
- 01
Engineering and tooling design
- 02
Injection moulding
- 03
Soldering (robotic, reflow, hand soldering)
- 04
Welding with welding machines
- 05
Cable assembly
- 06
Potting
- 07
Marking/laser marking
- 08
Assembly
- 09
Testing (100 % function test)
- 10
Delivery with own transport logistics
Materials and Processes
PA66
Heat-resistant plastic for housings and components of temperature sensors.
PTFE
Temperature-resistant plastic for sensor versions at high operating temperatures.
Stainless steel
Material for sensor sleeves and mounting flanges.
Brass
Material for sensor versions including mounting flanges.
Injection moulding
Plastic injection moulding on Engel machines for housings and components.
Two-component potting
Potting of components on bdtronic systems for protection against environmental influences.
Sites
Urbach
DEHeadquarters, sales and engineering
Pécs
HUProduction site (Limitor Hungária Kft.)
- Materials
- Plastics (PA66, PTFE), stainless steel, brass
- Soldering robots (solder iron soldering)
- Reflow soldering system
- Hand soldering workstations
- Heat test ovens (in-house development)
- High-voltage test systems (Hi-Pot)
- Cable assembly machines (Komax, Schleuniger, Molex)
- Two-component potting machine (bdtronic)
- Injection moulding machines (Engel)
- Welding machines (SERRA)
- Laser markers (Keyence, Electrox)
- Inkjet printers (DOMINO)
- Pad printers (TECA)
Products and Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Soldering (solder iron soldering, reflow soldering, hand soldering)Joining | – | – | – | – | – |
| Cable assembly (wire cutting, crimping manual/semi-/fully automatic, wiring harnesses)Assembly | – | – | – | – | – |
| Potting of components (two-component potting)Assembly | – | – | – | – | – |
| Injection mouldingPlastics | – | – | – | – | PA66, PTFE |
| Welding with welding machinesJoining | – | – | – | – | – |
| Laser marking / marking (pad printing, inkjet printing)Surface | – | – | – | – | – |
| Electrical testing and measurement (Hi-Pot, voltage/resistance measurement, continuity test)Testing | – | – | – | – | – |
| Thermal measurements in special ovens/heat test lines, temperature testsTesting | – | – | – | – | – |
| Assembly of various parts down to the smallest components (manual assembly)Assembly | – | – | – | – | – |
| Tooling design and manufacturingEngineering | – | – | – | – | – |
12 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Soldering robots (solder iron soldering) | – | – | – | – | Pécs, Hungary |
| Reflow soldering system | – | – | – | – | Pécs, Hungary |
| Hand soldering workstations | – | – | – | – | Pécs, Hungary |
| Heat test ovens / heating chambers (in-house development) | – | – | – | – | Pécs, Hungary |
| High-voltage test systems (Hi-Pot) | – | – | – | – | Pécs, Hungary |
| Cable assembly machines (cutting, stripping, crimping) | Komax, Schleuniger, Molex | – | – | – | Pécs, Hungary |
| Two-component potting machine | bdtronic | – | – | – | Pécs, Hungary |
| Injection moulding machine | Engel | – | – | – | Pécs, Hungary |
| Programmable welding machine | SERRA | – | – | – | Pécs, Hungary |
| Laser marker | Keyence, Electrox | – | – | – | Pécs, Hungary |
| Inkjet printers | DOMINO | – | – | – | Pécs, Hungary |
| Pad printer | TECA | – | – | – | Pécs, Hungary |
Additional services
Reference customers
Quality Management
Every manufactured product is 100 % function-tested in in-house laboratories before shipping, including high-voltage, continuity, voltage and resistance measurements as well as thermal tests in special ovens. The integrated management system is certified to ISO 9001, ISO 14001 and ISO 45001.
| Evidence | Urbach | Pécs |
|---|---|---|
| ISO 9001 | ||
| ISO 14001 | ||
| ISO 45001 |
Company History
- 1979
Founding of Limitor GmbH as a pure trading company.
- 1989
Start of development and production of own products (thermal switches with electronic self-locking).
- 1992
ERNI Elektroapparate GmbH acquires 51 % of the company shares.
- 1993
ERNI increases its share to 100 %; relocation to Schorndorf.
- 1994
Limitor dissolved as an independent company and integrated into ERNI as a business unit.
- 2000
Decision to spin off the Limitor business unit.
- 2001
Founding of Limitor GmbH.
- 2002
Start of operating business activities as an independent company.
- 2003
Production facility in Hungary begins operation.
- 2004
Consolidation of production sites in Hungary.
- 2005
Start of the sales cooperation with Blink Srl (Italy).
- 2012
Relocation of production in Pécs to a new industrial building with approx. 2,700 m² of production floor space.
- 2014
Intensification of cooperation with Blink S.r.l.; expansion of the product range to include electronic components.
- 2016
Start of the sales partnership with H2IT International technologies SAS (France).
- 2018
Founding of Limitor Solutions GmbH at the Urbach site.
- 2020
Acquisition of the Limitor Group by the discoverIE Group; assignment to the Variohm Group.