Pressure relief device for switch equipment

The utility model relates to the technical field of switch equipment, in particular to a pressure relief device for switch equipment, which can limit and buffer during pressure relief, prevent falling to hurt people, improve safety, timely release heat in a switch cabinet and ensure safe operation. Comprising a mounting base and a switch cabinet, and the switch cabinet is mounted above the mounting base; the switch cabinet further comprises an isolation hood, a pressure relief assembly, a guide assembly and a heat dissipation window, the isolation hood is installed at the top end of the switch cabinet, a pressure relief hole is formed in the top end of the switch cabinet, the pressure relief assembly covers the pressure relief hole, the pressure relief assembly is installed between the switch cabinet and the isolation hood through the guide assembly, and the heat dissipation window is installed on the side wall of the isolation hood. 本实用新型涉及开关设备的技术领域，特别是涉及一种开关设备用的泄压装置，其泄压时能够进行限位缓冲，防止掉落伤人，提高安全性，对开关柜内部的热量得以及时释放