Explosion-proof emergency luminaire of protection level 1Ex of constant action to ensure uninterrupted illumination of explosive zones of classes 1, 2 and fire-hazardous zones of classes P-I, P-II in accordance with the marking on explosion protection, and may be used in zones 21, 22 subject to NPAOP 40.1 .1.32-01, "Rules of arrangement of electrical installations" and other normative documents, in the premises of oil, oil refining, gas, chemical, cement, woodworking and other industries in case of unforeseen power outage in the network.