The MEM 321QEB MCB is a high-quality 32 amp single-phase main breaker designed and manufactured in the United Kingdom by MEM. With a voltage rating of 201-250V, this type B circuit breaker is suitable for various electrical systems, providing reliable protection for circuits with a current rating of 31-40 amps. The compact and efficient design of the MEM 321QEB MCB makes it a popular choice for industrial, commercial, and residential applications, ensuring safety and functionality in electrical setups with one to ten circuits.