Technical Specifications / Parameters Parameter Specification Manufacturer Order Code 2CDS252001R0487 Catalogue Type S202-K20 Brand / Series ABB S200 Series (System PRO M) Device Type Miniature Circuit Breaker (MCB) Number of Poles 2-Pole (2P) Rated Current (In) 20 A Rated Operational Voltage (Ue) 230/400 V AC Rated Insulation Voltage (Ui) 440 V AC Rated Impulse Withstand Voltage (Uimp) 6 kV Tripping Characteristic K Curve (Specifically designed for high inrush loads. Instantaneous tripping range: ~8In to 12In). Rated Breaking Capacity (Icn) 10 kA (at 400V AC, per IEC/EN 60947-2) Utilization Category A (Instantaneous tripping with no intentional delay for short-circuit) Standards Compliance IEC/EN 60947-2 (Industrial circuit-breaker standard) Terminal Type Cage Clamp Terminal Connectable Conductors Solid/Fine-stranded Copper: 0.75 - 35 mm² (Torque: 3.0 - 3.5 Nm) Electrical Endurance ≥ 20,000 cycles (at In) Mechanical Endurance ≥ 20,000 cycles Ambient Temperature -25°C to +60°C (for calibration, derating above +40°C) Mounting DIN Rail (35 mm, EN 60715) Module Width 36 mm (2 Poles) Primary Functions Overload Protection, Short-Circuit Protection (High Inrush Immune) Protection Features Trip-free mechanism, "ON"/"OFF" visual indication. Accessory Compatibility Compatible with the full range of S200 Series System PRO M accessories: auxiliary contacts (OF, SD), alarm contacts (OF), shunt trips, undervoltage releases, etc. Common Approvals CE, UL 1077 (Supplemental Protector), CCC, etc.