HA Series - High Energy Industrial Varistor Series

Series: HA Questions? Contact Littelfuse Support
HA
HA Series transient surge suppressors are industrial hgh energy metal-oxide varistors (MOVs). They are designed to provide secondary surge protection in the outdoor and servie entrance environment (distribution panels) of buildings, and also in industrial applications for motor controls and power supplies used in the oil-drilling, mining, and transportation fields.
  • The design of the HA Series of metal oxide varistors 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”.

Features:
  • 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

Access specifications, certifications, check availability and order parts below

Catalog #SizeVMAX AC (V)VMAX DC (V)WTM (J)(ITM 1xAmps (A)VNDC
(V)
VNDC MIN
(V)
VNDC MAX (V)Vc (V)PolarityStockSamplesCompare
V102HA4040mm10001290100040000180090011002970CheckOrder
V111HA3232mm11014816025000173156190293Bi-directionalCheckOrder
V111HA4034mm11014822040000173156190288Bi-directionalCheckOrder
V131HA3232mm13017520025000200184228350Bi-directionalCheckOrder
V131HA4034mm13017527040000200184228345Bi-directionalCheckOrder
V141HA3232mm14018821025000220198248380Bi-directionalCheckOrder
V141HA4034mm14018829040000220198248375Bi-directionalCheckOrder
V151HA3232mm15020022025000240212268410Bi-directionalCheckOrder
V151HA32X274932mm15020022025000240212268410CheckOrder
V151HA4034mm15020030040000240212268405Bi-directionalCheckOrder
V181HA3232mm18024024025000282254310475Bi-directionalCheckOrder
V181HA4034mm18024033040000282254310468Bi-directionalCheckOrder
V201HA3232mm20026526025000314283345540Bi-directionalCheckOrder
V201HA4034mm20026535040000314283345533Bi-directionalCheckOrder
V251HA3232mm25033033025000390354429650Bi-directionalCheckOrder
V251HA4034mm25033037040000390354429630Bi-directionalCheckOrder
V271HA3232mm27536936025000430389473710Bi-directionalCheckOrder
V271HA4034mm27536940040000430389473690Bi-directionalCheckOrder
V301HA3232mm30041037025000478433526795Bi-directionalCheckOrder
V301HA4034mm30041043040000478433526780Bi-directionalCheckOrder
V321HA3232mm32042039025000510462561845Bi-directionalCheckOrder
V321HA4034mm32042046040000510462561825Bi-directionalCheckOrder
V331HA3232mm33043538525000519467570860Bi-directionalCheckOrder
V331HA4034mm33043547540000519467570843Bi-directionalCheckOrder
V351HA3232mm35046039025000550495604910Bi-directionalCheckOrder
V351HA4034mm35046050040000550495604894Bi-directionalCheckOrder
V391HA3232mm385510395250006045456631020Bi-directionalCheckOrder
V391HA4034mm385510550400006045456631000Bi-directionalCheckOrder
V421HA3232mm420560400250006806107481120Bi-directionalCheckOrder
V421HA4034mm420560600400006806107481100Bi-directionalCheckOrder
V441HA3232mm440585420250006916227591200Bi-directionalCheckOrder
V441HA4034mm440585630400006916227591147Bi-directionalCheckOrder
V481HA3232mm480640450250007506708251290Bi-directionalCheckOrder
V481HA4034mm480640650400007506708251230Bi-directionalCheckOrder
V511HA3232mm510675500250008207359101355Bi-directionalCheckOrder
V511HA4034mm510675700400008207359101295Bi-directionalCheckOrder
V551HA3232mm550710530250008647789491515Bi-directionalCheckOrder
V551HA4034mm550710755400008647789491430Bi-directionalCheckOrder
V571HA3232mm5757305502500091080510001570Bi-directionalCheckOrder
V571HA4034mm5757307704000091080510001480Bi-directionalCheckOrder
V661HA3232mm66085060025000105094011601820Bi-directionalCheckOrder
V661HA4034mm66085090040000105094011601720Bi-directionalCheckOrder
V681HA3232mm68087561025000106896211731830Bi-directionalCheckOrder
V681HA4034mm68087592540000106896211731780Bi-directionalCheckOrder
V751HA3232mm750970700250001200108013202050Bi-directionalCheckOrder
V751HA4034mm7509701050400001200108013202000Bi-directionalCheckOrder

pdf icon Varistor HA Datasheet

HA Series transient surge suppressors are industrial high energy Metal-Oxide Varistors (MOVs)...

AN9768 Transient Suppression Devices and Principles

This application note discusses the two major categories of transient suppressors: a) those that attenuate transients, thus preventing their propagation into the sensitive circuit; and b) those that divert transients away from sensitive loads and so limit the residual voltages.

AN9769 An Overview of Electromagnetic and Lightning Induced Voltage Transients

This application note is an overview of the sources and nature of various transient overvoltages, and the problems that may result.

EC608 Considerations for Selecting Littelfuse MOVs and Fuses for Industrial Motor Applications

This application note discusses the first level considerations for applying both Littelfuse Industrial AC Line Metal Oxide Varistors and associated AC line Fuses with a motor protection example.

pdf icon Combining GDTs and MOVs for Surge Protection of AC Power Lines Application Note

This application note illustrates how to design high performance, cost-effective surge protection for equipment connected to AC power lines. The role of gas discharge tube (GDT) surge arresters specifically designed for AC power line protection is also be discussed.

Varistors HA SPICE Model slb

Littelfuse_Dongguan BeiCe MOV_ISO TS16949icon Dongguan BeiCe ISO TS16949

Littelfuse_Dongguan BeiCe MOV_ISO14001 2004icon Dongguan BeiCe ISO 14001 2004

MOV Factory

Littelfuse_Dongguan BeiCe MOV_ISO9001 2000icon Dongguan BeiCe ISO 9001 2000

MOV/MLV Factory

pdf icon Product Selection Guide

Electronics Circuit Protection Product Selection Guide - A guide to selecting Littelfuse circuit protection components for electronic applications...

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pdf icon Varistors Catalog

Catalog with varistors, metal oxide varistors, multilayer varistors, MLVs, surface mount varistors, radial lead varistors, disc varistors, industrial varistors, high energy varistors...