Siemens Sentron 5SY4 MCB Mini Circuit Breaker, 1 + N, 63 A, 10 kA, Curve B. Tripping Characteristics: Type B. Rated AC Voltage: 230 V. Length: 35.2mm. Width: 76mm. Depth: 89.8mm. Special Features: Double Terminal Chamber, Time-Saving Replacement. Reset Actuator Type: Toggle Switch. Terminal Contact Type: Screw. Application: Industrial, Plant Engineering. MPN: 5SY4563-6