Siemens Sentron 5SY4 MCB Mini Circuit Breaker, 1 + N, 3 A, 10 kA, Curve C. Tripping Characteristics: Type C. Rated AC Voltage: 230 V. Length: 35.2mm. Width: 76mm. Depth: 89.8mm. Terminal Contact Type: Screw. Reset Actuator Type: Toggle Switch. Special Features: Double Terminal Chamber, Time-Saving Replacement. Application: Industrial, Plant Engineering. MPN: 5SY4503-7