27 October 2023

Understanding the IEC60273

Columns are defined by several standards (height, shed profil, glaze, minimum paste composition, fittings, fasteners). One of the main standardization […]
3 October 2023

Ecovadis medal

Our work on CSR let us have the Ecovadis bronze medal. We continue our work to reach Silver and Gold.
13 July 2023

Summer Closing 2023

Summer is coming Ceralep will close the workshop for 3 weeks, but the sales department will stay open except on […]
22 February 2023

Ceralep SN, official partner of Saint-Vallier basketball

We are proud to support them and follow their performances throughout the season! Here’s hoping our new sign brings good […]
22 September 2022

New ISO 50001

Since July, we are certified with ISO 50001 : 2018 for the energy management. This one is in addition to […]
7 October 2021

Open days 100 years

To celebrate 100 years of the factory, the open days organized by all the staff were a real success. No […]
2 June 2021

Containers for Taïwan

Ceralep’s products go through the world, including in Asia. The first container full of 468 ceramic insulators left our factory […]
3 February 2021

Prototype – Cable termination – 1000 PSI

For a USA customer, specialist in underground connections high voltage; we produce porcelain hollows insulators which ensure termination function with […]

Ceralep in figures


Workshops – offices and storage
Including 25 000 m²built area
in St Vallier (Drôme)


experience In the manufacture of insulators


Employees, technicians and commercial agents


Product references
Usual and historical reference
Available on request

CERALEP SN, a century-old company, recognized products and certified

All our products meet the following standards: IEC 60273 - IEC 60168 - IEC 62155 - IEC 60672- IEC 60815... Among our product range: insulators for railway networks, hollows for switchgear, for electro filters, for high frequency...