Patent ID: 8446235
Filing Date: 2013-05-21
Classification: H01H,Y10T

Abstract:
1. An electromagnetic relay comprising: a fixed contact unit that includes: a movable contact unit that includes: an electric magnet causing the movable contact to contact the fixed contact by applying force to the movable contact spring via an arming unit; a magnet generating a magnetic field between the fixed contact and the movable contact; and a pair of yokes each made of a magnetic material, arranged in parallel to interpose the fixed contact and the movable contact therebetween and to apply the magnetic field generated by the magnet to an area where the fixed contact and the movable contact exist, respectively; a pair of insulating portions provided on inner surfaces of the pair of yokes facing the fixed contact and the movable contact, respectively; and an arc extinguishing grid for extinguishing arcs, being provided on and between the inner surfaces of the pair of yokes along the movable side are runner.