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Usual and historical reference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...