Dustproof ac contactor

The utility model discloses a dustproof ac contactor, the on -line screen storage device comprises a base, adorn the yoke in the base, adorn the coil assembly on the yoke, fixed bolster with the base assembly, but locate the movable support in the fixed bolster, but the armature of connection on movable support, adorn the spring that returns between armature and yoke, but adorn the moving contact on movable support and adorn the static contact in the fixed bolster, locate the contact spring on the moving contact, be fixed in the striking piece in the fixed bolster, adorn in the decorations lid at fixed bolster top, locate in the decorations lids and clamp the shield on the fixed bolster. The utility model discloses but keep off the clearance of movable support and fixed bolster, thereby can prevent effectively that external dust entering contactor inside from causing the contact to contact obstructedly or iron core contact failure leads to the coil scaling loss.