In addition to our CSA-US and VDE Certification, Zoller + Fröhlich has the UL Certification for insulated ferrules since many years. Our UL certificate numbers are E333905 (UL 486 A+B), 1176867 (CSA) und E491449 (UL 486 F).

With these certifications, we enable our customers a very high quality of their final products to increase their markets.

You are able to download the necessary documents at the bottom of this page. With this step we enable our customers to enhence the high quality of their finished products and to open up further market potential.



UL-Certification UL 486 A+B

UL-Certification UL 486 F


Winner of the Schaltschrankbau Innovation Award


The development team from Zoller + Fröhlich wins with an innovative product solution



We are very happy to inform you about a new product highlight as well as current developments at Z+F.

all about automation Friedrichshafen


The exhibition aaa in Friedrichshafen is canceled.

Z+F wins the Productronica Award 2019


The Productronica in Munich was an impressive highlight