![](https://icelec.com/sites/ice-sas/files/styles/redimensionnement_produit/public/produits/photos-produits-site-web_cef4_0.png?itok=GhnmqgSg)
CEF4 is a delayed action electronic relay - 4 contacts.
CEF4MU is a delayed release electronic relay - 4 contacts.
CEF4MU2 is a delayed release electronic relay with an auxiliary source and different controls - 4 contacts.
Find out about our training
Prescribers Maintenance and commissioning equipment Systems Application and customised training.
ICE SAS is built around strong values shared by all giving meaning to our actions for more than 75 years.