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Specialist Materials for Industry and Science



Application  Products
 Relay Coils
 Contactor Coils
 Field Coils
 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.

  • Apiezon
  • Metrosil
  • Midel
  • Wolfmet

Products of M&I Materials Ltd.