Small-size magnetic latching power relay

The utility model discloses a small-size magnetic latching power relay comprising a magnetic circuit part, a contact part, a pushing card and a base. The magnetic circuit part and the contact part are respectively arranged at the two ends of the base in the length direction. The pushing card is connected between the magnetic circuit part and the contact part. The magnetic circuit part comprises a coil frame, an iron core, an upper yoke, an L-shaped yoke and an n-shaped or H-shaped armature assembly with a permanent magnet arranged in the middle. The iron core is inserted into the coil frame, and the axis of the iron core is vertical to the base. The upper yoke is connected with the upper end of the iron core, and the horizontal side of the L-shaped yoke is connected with the lower end of the iron core. The armature assembly is disposed in the pushing card. A first armature of the armature assembly is arranged between the upper yoke and the vertical side of the L-shaped yoke. When the relay operates, the first