Reciprocating internal combustion engines - Safety requirements for design and construction of engines for use in potentially explosive atmospheres - Part 1: Group II engines for use in flammable gas and vapour atmospheres; German version EN 1834-1:2000— 18 стр.
Water cooled alternating-current polyphase motors with squirrel-cage, design B3, B5, for mining; standard dimensions and relationship frame sizes-output ratings for motor-design safe in explosive atmosphere, type of protection: flameproof enclosure— 4 стр.
Totally-enclosesd fan-cooled alternating-current polyphase motors with squirrel-cage, design B3, B5, for mining; standard dimensions and relationship frame sizes-output ratings for motor-design safe in explosive atmosphere, type of protection: flameproof enclosure— 4 стр.
Types of Enclosure; Protection of Persons Against Contact With Live of Moving Parts of Electrical Machines, Protection of Machines Against Ingress of Solid Foreign Bodies and Water— 6 стр.
Degrees of protection of enclosures; protection of persons against contact with live parts, protection of equipment against ingress of solid foreign bodies and of water, small transformers till 16 kVA— 3 стр.