This is a Wylex NHXB06 6A single pole MCB circuit breaker with a Type B tripping characteristic. It is suitable for interior use, has a maximum amperage of 6A, and operates on AC current at voltages between 201-250V. The breaker has one position and one throw, suitable for commercial electrical wiring applications. Made of ABS/plastic, it features a DIN rail mounting style with screw terminal electrical connections for short circuit and overcurrent protection.