Electrical apparatus for use in the presence of combustible dust Electrical apparatus protected by enclosures and surface temperature limitation-Specification for attaratus--Dust and explosion-proof plug and socket
Specification of increased-safety three-phase asynchronous motors - Part 1:YA2 series increased-safety three-phase asynchronous motors (frame size 80 to 355)
Specification of flameproof three-phase asynchronous motors for mines - Part 1:YBK3 series flameproof three-phase asynchronous motors for coal mines (frame size 80 to 355)
Specification for TBZY series (IP55) direct-drive flameproof three-phase permanent magnet synchronous motor for progressing cavity pump (frame size 225 to 355)