Siemens 5SY4410-8 5SY MCB 4-pole 10 A D-curve 10 kA. Miniature circuit breaker 400 V 10kA, 4-pole, D, 10A, D=70 mm. It belongs to Basic Devices. Recorded manufacturer technical characteristics include Poles: 4; Rated current: 10 A; Tripping curve: D.