Description
The Relay (OEM 550 879 19) is a durable alternative replacement designed to perform reliably on rock drills and drifter rigs in harsh mining and tunnelling applications. It switches or senses an electrical function on the rig, delivering reliable control or feedback vital to safe, automated running.
Made with a rugged, sealed housing and vibration-resistant internals, it performs dependably in the dust, moisture and constant vibration of drilling work. Supplied as an alternative spare part, it provides direct functional interchangeability and dependable performance at a competitive price.
Delkom manufactures the world’s highest-quality alternative rock drilling, drifter equipment and spare parts, exported to more than 100 countries. Contact us for availability, bulk pricing and technical support.



