WYLEX STOTZ NSB 6A 10A 16A 20A 32A 40A TYPE 2 M6 BS3871 SINGLE POLE MCB'S You are buying one circuit breaker. Please choose the one you require from the dropdown menu. Normally available in the following ratings: NSB06 6A 6 AMP TYPE 2 SINGLE POLE MCB NSB10 10A 10 AMP TYPE 2 SINGLE POLE MCB NSB16 16A 16 AMP TYPE 2 SINGLE POLE MCB NSB20 20A 20 AMP TYPE 2 SINGLE POLE MCB NSB32 32A 32 AMP TYPE 2 SINGLE POLE MCB NSB40 40A 40 AMP TYPE 2 SINGLE POLE MCB