To make up the part number for a MCB you will need the; current rating, curve type i.e. B,C and D also if MCB (Miniature Circuit Breaker) and how many poles are required 1,2,3 or 4.

Our MCB,s range from 1A to 63A and our part number's will in this range. start with (A9F) then 5 subsequent numbers.




More information can be found in the catalogue link below on pages 33 for single phase systems and 60 for three phase systems.

Low Voltage Power Distribution catalogue 2025 | Schneider Electric

Released for:Schneider Electric UK