Số hiệu tiêu chuẩn
EN 50020/A2
Tên tiêu chuẩn
Electrical apparatus for potentially explosive atmospheres; intrinsic safety i
Ngày phát hành
1985-12-00
Tiêu chuẩn tương đương
DIN VDE 0170/0171-7/A2 (1987-01), IDT * DIN VDE 0170/0171-7/A2 (1982-05), IDT * NF C23-520/A2 (1986-07-01), IDT * SEV-ASE 1074-2 (1987), IDT * SS-EN 50020 (1986-10-22), IDT * SS-EN 50020 (1991-09-11), IDT * UNE 21820/2M (1994-02-16), IDT * SFS 5248 EN 50020 (1986), IDT
Tiêu chuẩn liên quan
IEC 60587-1877
Từ khóa
Atmosphere * Earthing * Electrical engineering * Electrically-operated devices * Explosion protection * Explosions * Explosive atmospheres * Flammable atmospheres * Intrinsic safety * Leakage paths * Marking * Protected electrical equipment * Safety * Safety engineering * Safety measures * Separation * Type i protected electrical equipment * Connectored joints * Clearances * Cords * Sealings * Electric cables * Conduits * Insulations * Explosion hazard * Pipelines * Fittings