Contactum type B single pole MCB. 10A 1 pole Type B Contactum Single Pole B Curve MCB 10A 10kA SP. Contactum MCB Mini Circuit Breaker 1P, 10 A, 10 kA, Current Rating: 10A, Tripping Characteristics: Type B, Rated AC Voltage: 415V, Mounting Style: DIN Rail, MPN: CPB1010B. Contactum MCB, 1P, 10A Curve B, 250V AC, 10 kA Breaking Capacity, Tripping Characteristics: Type B, Mounting Style: DIN Rail Mount, Model Number: CPB1010B.