Professional extension cords for demanding customers

The kerg™ products are made of the cable in a polyurethane TMPU sheath featuring the highest resistance to external factors.

Products based on H07BQ-F cables are intended for professional use also in special conditions, i.e. in extreme temperatures and in conditions where there is a high risk of mechanical damage.

The H07BQ-F cable shows high mechanical resistance to abrasion, bending and deformation, and its temperature range is from 40˚C to 90˚C.



We are pleased to announce that the highly appreciated kerg ™ extension cords remain on the electrical market. At the end of 2019, the Management Board of HSK Data Sp....
We offer you a catalogue of kerg brand devices. The digital version of the catalog is constantly updated with the latest products. If you want to be up to date...

O firmie


  • The largest Polish manufacturer of surge protective devices
  • Over 25 years on the market
  • A team of highly qualified employees
  • Quality management in accordance with ISO 9001: 2008


HSK Data is the owner of the kerg, acar and AXON brands. We invite you to familiarize yourself with the products of our company. We guarantee the highest quality of products and professional customer service as well as the possibility of tailoring the offer to individual needs.