Hob single-phase: 230 V; 1P + N; two-phase 400 V; 2P + N; 50.60 Hz like all Foster products, it meets the highest quality standards. The refinement of the Hob single-phase: 230 V; 1P + N; two-phase 400 V; 2P + N; 50.60 Hz reflects Foster's values and design choices in detail. Foster aims to create products and accessories that offer uncompromising quality.