Printer Friendly

Industrial High Energy Terminal Varistors | Littelfuse

Part Number Information
Part #:Price/Availability:
V131HA40Buy Now button
V151HA32Buy Now button
V151HA40Buy Now button
V321HA40Buy Now button
V571HA40Buy Now button
Littelfuse logo
HA Varistor Series | Littelfuse

HA Series transient surge suppressors are industrial high energy Metal-Oxide Varistors (MOVs). They are designed to provide secondary surge protection. The design of the HA Series of MOVs provide rigid terminals for screw mounting. Also available in a clipped lead version for through hole board placement or to accommodate soldered leads designation "HC."

See Ratings and Specifications Table for part number and brand information.

Features & Benefits:

  • RoHS compliant and Lead–free
  • Wide operating voltage range VM(AC)RMS 110V to 750V
  • Two disc sizes available 32mm and 40mm
  • High energy absorption capability WTM = 170J to 1050J
  • High peak pulse current capability ITM = 25,000A to 40,000A
  • Rigid terminals for secure mounting
  • Available in trimmed version for through hole board mounting – Designation "HC"
  • No derating up to 85ºC ambient


  • Outdoor and service entrance environment (distribution panels) of buildings
  • Industrial applications
    • Motor controls
  • Power supplies
    • Oil-drilling
    • Mining
    • Transportation

Additional Information: