Electrical installations of buildings. Part 4: Protection for safety. Chapter 47: Application of protective measures for safety. Section 473: Measures of protection against overcurrent— 11 стр.
Electrical accessories ± Circuit breakers for overcurrent protection for household and similar installations. Circuit-breakers for a.c. operation— 150 стр.
Electrical accessories - Circuit breakers for overcurrent protection for household and similar installations - Part 1: Circuit-breakers for a.c. operation (english version)