KONTAKT TELEFON+49 6023 9798-0

History - nearly 30 years on the pulse of technology


Introduction of a new solder wave (epm) for improved soldering results in energy-intensive mixed assemblies


Certification of one of our devices developed and produced in-house according to MIL Marketing of regeneration loads that were previously used in-house only. First digitally controlled product "Charging and discharging module"


Certification according to MIL of one of our devices developed and produced in-house Completion of a ZIM-SOLO project required by the Federal Ministry of Economics and Technology on the use of a digital signal processor in digital control engineering


QUEL celebrates its 25th anniversary
Restructuring of our production to expand capacities


Introduction of automatic transformer and inductance testers
Upgrade of our CNC circuit board plotter to 1.4 kW, tripling of our flow rate
market launch of our new top-of-the-range model with 4.5 kW


Optimisation of the SMT production line through the purchase of a MY12 HYDRA assembly system by MYDATA


New server system SBS2003


Introduction of an IBL vapour phase soldering oven


QUEL celebrates its 20th anniversary


Introduction of a CNC circuit board plotter with HF spindle


Certification according to the new DIN ISO 9001:2000 (process-oriented structures)
First product with µC control PIC18F452


Internal, success-oriented participation of all employees in the company's growth


Introduction of an MS exchange server


Burn-in test with regenerative energy recovery by means of a battery-supported solar plant Introduction of intranet communication


Fully automatic production testing Expansion of our SMT production line for larger series
Doubling of our production area



DIN EN ISO 9001 certification with continuous improvement of organisation and processes
Our success on the local market is followed by frequent requests from Switzerland, Austria, England and other neighbouring countries



Expansion of our production to small and medium series by means of introducing SMT with reflow soldering technology
The organic growth of our company forced us to readjust the structures to new market requirements time and again


Change of our company from a private company into a company with limited liability and move into our a new location


Launch of an own prototype and pilot series production of our developments



Engineer Josef Vorpeil founds the company QUEL as a private company in Alzenau
In the first stages, well-known manufacturers of power supplies and batteries profit from the ideas of the founders and their special developments in the areas of power electronics and battery management systems