BS 4417:1969

Applicable to rectifier assemblies, transformers, or complete equipments for use on a.c. supplies of 15 Hz to 2000 Hz and having a maximum d.c. output voltage of 5000 V. Gives details of service conditions, rating classes, temperature rises, methods of test and proposals for guarantees and acceptance tolerances.

All current amendments available at time of purchase are included with the purchase of this document.