Siemens Sentron 5SY4 MCB Mini Circuit Breaker 3P, 63 A, 10 kA, Curve B. Tripping Characteristics: Type B. Rated AC Voltage: 400 V. Length: 52.8mm. Width: 76mm. Depth: 89.8mm. Special Features: Double Terminal Chamber, Time-Saving Replacement. Reset Actuator Type: Toggle Switch. Application: Industrial, Plant Engineering. Terminal Contact Type: Screw. MPN: 5SY4363-6