Online Standards Store PDF
Electric machines. Methods of determination of cooling gas volume
Document status: Active
General purpose oil sealed power transformers to 1600 kV x A for voltage to 22 kV. Main parameters and general technical requirements
Document status: Active
Electrical apparatus for explosive gas atmospheres. Electrical resistance trace heaters. Part 1. General technical requirements and test methods
Document status: Active
Explosive atmospheres. Part 2. Equipment protection by pressurized enclosure 'p'
Document status: Active
