Face shield against arc flash for the electrician with continuous flap. EC type testing according to EN166-170 and GS-ET-29 (CE0340) Arc class 1. (4kA-0.5sec-350mm) light transmission >75% = class 0 Face protection against electric arcs during short-term switching work and other work that is carried out under voltage, such as in cable distribution boxes, house connection boxes and when changing kWh meters. Inserting and pulling knife cartridges, manufacturing branch sockets and similar work. This face shield provides no mechanical protection. Window material: 1.5mm thick acetate, Hood material: NOMEX 3T/A.