Specifications Parameter Specification Product Range Compact NS Device Type Molded Case Circuit Breaker (MCCB) Model Series C120H Pole Configuration 4-Pole (4P) Rated Current (In) 100 Amperes (A) Frame Size 120A Trip Unit Type Thermal-Magnetic Tripping Characteristic C Curve (5-10 × In magnetic trip) Rated Operational Voltage (Ue) 400V AC (3P+N) Rated Insulation Voltage (Ui) 690V AC Rated Ultimate Breaking Capacity (Icu) H Version: 25 kA at 400V AC Rated Service Breaking Capacity (Ics) 18.75 kA at 400V AC (75% of Icu) Short-Time Withstand Current (Icw) 10 kA for 1 second (typical) Tripping Current Ranges - Thermal: 1.05-1.2 × In (105-120A) - Magnetic: 5-10 × In (500-1000A) Mechanical Durability 10,000 operations Electrical Durability 5,000 operations at rated current Terminal Type Screw terminals (front connection) Connection Capacity 35-70mm² copper cable Recommended Torque 3.0-3.5 N·m Mounting Fixed mount (panel or DIN rail with adapter) Dimensions (W×H×D) 144mm × 153mm × 80mm (4P version) Weight Approximately 2.3kg Ambient Temperature -25°C to +70°C (operation) Storage Temperature -40°C to +85°C Standards Compliance IEC/EN 60947-2, GB 14048.2 Protection Degree IP20 (when installed in enclosure) Pollution Degree PD3