BS EN 60947-4-3. Low-voltage switchgear and controlgear. Part 4-3. Contactors and motor-starters. Semiconductor controllers and semiconductor contactors for non-motor loads— 48 стр.
Sampling procedures for inspection by attributes. Part 1. Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection— 94 стр.
Dimensions of low-voltage switchgear and controlgear - Standardized mounting on rails for mechanical support of switchgear, controlgear and accessories— 56 стр.