Patent · US Expired

Metal oxide varistor module

US6211770A · kind A · utility

42Cited by
11References
36Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 27, 1999
Grant dateApr 3, 2001
Priority date
Expiry dateApr 27, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01C7/126
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A metal oxide varistor module, and variations thereof for use in surge protectors and the like combining internally a thermally activated disconnect means and an excessive current disconnect means, such that when the module is subject to excessive overvoltage or overcurrent conditions, the connection is interrupted from the phase to neutral, phase to ground and any other combination of voltage or current before the metal oxide varistor device is physically damaged, ruptured or cracked.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.