Over-Voltage Protective Components for High Energy Industries

 

Characteristics:

  • Varistors for Class I, II &III according to UL 1449, IEC 61643-11
  • Very low leakage currents
  • Custom electrical performances
  • Custom designs available for all types of SPDs
  • Metallized varistor blocks or epoxy coated varistors with rigid terminals available
  • Stacked varistors for improved surge current and energy capabilities

Technical Features:

  • Varistors for SPD Class I:
  •  High Iimp up to 12,5 kA (10/350 μs) – stacked varistors
  •  High Inom up to 30 kA (8/20 μs) – stacked varistors
  •  Varistors for SPD Class II & III:
  •  High Imax up to 45 kA (8/20 μs) – single disc varistors
  •  High Inom up to 20 kA (8/20 μs) – single disc varistors

Applications:

  • Traffic and railway signal systems
  • Power distribution control equipment
  • Railroad equipment
  • Mobile power supply stations
  • Switch boards
  • Power supplies and motor controls in transportation
  • Industrial and consumer electrical equipment