Model: iST (specific model code depends on current rating, e.g., iST 4P C63) Poles: 4P (4 poles) Rated Current (In): Selectable range (e.g., 0.5A, 1A, 2A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, etc.) Rated Voltage (Ue): 400V AC Rated Short-Circuit Breaking Capacity (Icn): 65 kA at 400V AC (IEC/EN 60898-1) Tripping Characteristics: Type B: (3 to 5 In) For general use and protection of resistive loads (lighting, sockets). Type C: (5 to 10 In) For protection of circuits with moderate inrush currents (motors, transformers). Type D: (10 to 20 In) For circuits with high inrush currents (welding machines, X-ray equipment). (Note: The specific type (B, C, D) is part of the model number.) Standards: IEC/EN 60898-1, IEC/EN 60947-2 Terminal Connection: Suitable for rigid and flexible conductors (refer to datasheet for exact sizes, typically up to 35mm² or 50mm² for higher currents). Mounting: DIN Rail Mount (35mm) Electrical Durability: Up to 20,000 cycles (depending on model) Mechanical Durability: Up to 20,000 cycles Operating Temperature: -25°C to +70°C (ambient) Protection Degree: IP20 (when mounted in an enclosure) Control: Toggle handle with ON/OFF indication