Littelfuse HA Series High Energy Industrial Varistor Datasheet

HA Series transient surge suppressors are industrial high energy metal-oxide varistors (MOVs). They are designed to provide secondary surge protection in the outdoor and service 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.


Littelfuse HA Series High Energy Industrial Varistor Datasheet - cover page
Brand
Littelfuse
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
5
File format
PDF
File size
126 KB
Published
15 June, 2012
Updated
01 October, 2023
MD5 checksum
A23DC950A970E4AED6D49BC6EF18F51E

About this manual

The Littelfuse HA Series consists of industrial high energy metal-oxide varistors (MOVs) designed to provide secondary surge protection. They are intended for use in outdoor and service entrance environments, such as distribution panels, as well as in industrial applications for motor controls and power supplies in fields like oil-drilling, mining, and transportation. The series features rigid terminals for secure screw mounting and is also available in a clipped lead version designated as 'HC' for through-hole board placement.

What's inside

  • Features
  • Agency Approvals
  • Absolute Maximum Ratings
  • Device Ratings and Specifications
  • Power Dissipation Ratings
  • Transient V-I Characteristics
  • Derating Curves
  • Mechanical Dimensions
  • Ordering Information
  • Surge Current Rating Curves

Specifications

Operating Voltage Range VM(AC)RMS110V to 750V
Disc Sizes Available32mm and 40mm
High Energy Absorption Capability WTM170J to 1050J
High Peak Pulse Current Capability ITM25,000A to 40,000A
Operating Ambient Temperature Range-55 to 85 oC
Storage Temperature Range-55 to 125oC
Hi-Pot Encapsulation Isolation Voltage2500 V

Frequently asked questions

What are the two disc sizes available for the HA Series?

The HA Series is available in two disc sizes: 32mm and 40mm.

Is the HA Series available for through-hole board mounting?

Yes, a clipped lead version designated as 'HC' is available for through hole board placement.

What is the maximum peak pulse current capability for the HA Series?

The HA Series has a high peak pulse current capability ranging from 25,000A to 40,000A.

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