Siemens 5SY7416-6 5SY MCB 4-pole 16 A B-curve 15 kA. Miniature circuit breaker 400 V 15kA, 4-pole, B, 16A, D=70 mm. It belongs to Basic Devices. Recorded manufacturer technical characteristics include Poles: 4; Rated current: 16 A; Tripping curve: B.