Russian standards PDF

Rotating electrical machines. Part 18-34. Functional evaluation of insulation systems. Test procedures for form-wound windings. Evaluation of thermomechanical endurance of insulation systems

Document status: Active

Rotating electrical machines. Part 5. Classification of protection degrees provided by the integral design of rotating electrical machines (IP code)

Document status: Active

International electrotechnical vocabulary. Part 445. Time relays

Document status: Active

International electrotechnical vocabulary. Part 447. Measuring relays

Document status: Active

Rubber insulated cables of rated voltages up to and including 450/750 V. Test methods

Document status: Active

Electrical relays. Part 13. Percentage-differential relays

Document status: Active