Patent ID: 6252479
Filing Date: 2001-06-26
Classification: H01H

Abstract:
An electromagnetic relay comprising a first housing part, which is fitted with a coil having a core with two ends extending through the coil with the two ends forming two pole plates outside of the coil, a second housing part having at least one spring support and at least one mating contact element anchored therein, the spring support being fitted with a contact spring which interacts with the mating contact element and an armature which is connected to the contact spring and bridges the pole plates forming air gaps, each of the two housing parts being half-shells made of plastic and having a base with upstanding walls with edges, said two housing parts being joined together at the edges of the walls to form a sealed housing with connections for the coil windings and for the contact elements passing out through the walls of said respective housing parts and a main joint plane between the two housing parts extending at right angles to a switching movement of the contact spring, the coil including a coil former with a coil winding being embedded together with a portion of the core in the plastic of the first housing part with pole surfaces of the pole plate in the region of the air gaps being free of the plastic, and the spring support and at least one mating contact element being embedded in the plastic of the second housing part.