Magnetic release for protective fault-current switches

摘要

The release has a spring (18) engaging a flap (17) projecting from the armature (14) away from the spine (4) of the U-shaped yoke (3). The spring makes an acute angle with the armature and is fixed to the casing (1) at a point (19) in the region of a plane passing through the end faces of the ends (15,16) of the limbs (7,8) of the yoke and on that side of the plane facing the yokes spine. - The ends (24) of the armature and the ends of the limbs of the yoke on which the bearing end of the armature is supported are forked.