The utility model discloses a novel magnetic latching relay installs protection device, including casing and base, casing one end can be dismantled and be connected with the base, base fixed surface is connected with the mounting panel, a mounting panel side surface adhesion has the foaming board, the equal adhesion of casing and base outer wall has bump cushion and bump cushion protrusion in casing and base surface, shells inner wall has the spring through the screw connection, spring one end is connected with crashproof rubber slab through the buckle, mounting panel one side swing joint hasthe regulating block, mounting panel opposite side surface is seted up flutedly. The utility model discloses a laminate with crashproof rubber slab surface mutually in the relay surface, when the striking was received to the casing, reaction force of crashproof rubber slab was given to the spring, can absorb and relax external impact forces, through pressing down the regulating block, makes the fixture block run through no. Two through -holes and link up with the groove phase, can be together fixed with base and casing.