Application Products Relay Coils Contactor Coils Field Coils Solenoids Telecommunication Protection Traction Units Rotor Protection Fluorescent Light Fittings METROSIL Discs and Assemblies Motors & Transformers switched by Vacuum Circuit Breakers VSD Surge Diverters Motors & Transformers switched by Vacuum Contactors SVL Surge Diverters Open Circuited Current Transformers Current Transformer Protection Units High Impedance Relay Protection METROSIL Assemblies for Relays Generator Excitation Field Discharge METROSIL Non-linear Discharge Resistors If you have any problems or enquiries relating to surge protection, our qualified and experienced engineers are on hand to advise and will be pleased to discuss any application in detail. Similarly, if you are in any doubt as to the suitability of a Metrosil, please use our enquiry form.