Technical Parameters Parameter Specification Series ABB Form 2a / Tmax (S2C Series) Product Type Moulded Case Circuit Breaker (MCCB) with Fixed Thermal-Magnetic Trip Unit Order Code S2C-H6R Number of Poles 3-Pole Rated Current (In) 100 A (The "6" in H6R often corresponds to a frame size rating, with 100A being a standard value for this frame). Rated Ultimate Short-Circuit Breaking Capacity (Icu) Typically 50 kA or 70 kA at 415V AC (This is the key feature of the "H"-rated version. Must confirm with local catalog). Rated Service Short-Circuit Breaking Capacity (Ics) Typically 100% of Icu for this series (e.g., 50 kA). Trip Unit Type Fixed Thermal-Magnetic (H-Type) Overload Protection (Ir) Fixed at In (100 A). Thermal adjustment is typically not available on "R" versions. Short-Circuit Protection (Im) Fixed High Magnetic Setting. Typically set at 12 x In (1200 A) or higher. Non-adjustable. Rated Operational Voltage (Ue) 690V AC Rated Insulation Voltage (Ui) 1000V AC Rated Impulse Withstand Voltage (Uimp) 12 kV Rated Frequency 50/60 Hz Electrical Durability Up to 8,000 operations at In Mechanical Durability Up to 20,000 operations Mounting Fixed Mounting (for panel assembly) Connection Front and/or rear connection. Suitable for busbar or cable connection. Standards Compliance IEC/EN 60947-1, IEC/EN 60947-2 Operating Ambient Temperature -25°C to +70°C (Derating may apply above 40°C) Accessories Compatible with a wide range of ABB accessories: auxiliary contacts (OF, SD), shunt trips, undervoltage releases, handle extensions, etc.