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C120H 4P

The Schneider Electric C120H 4P is a Molded Case Circuit Breaker (MCCB) from the Compact NS series, designed for protection and control of three-phase electrical circuits with neutral protection requirements.

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Specifications Parameter Specification Product Range Compact NS Device Type Molded Case Circuit Breaker (MCCB) Model Series C120H Pole Configuration 4-Pole (4P) Frame Size 120A (maximum rating) Available Current Ratings 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A, 120A Trip Unit Type Thermal-Magnetic Tripping Characteristics B Curve (3-5 × In) or C Curve (5-10 × In) 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) Mechanical Durability 10,000 operations Electrical Durability 5,000 operations at rated current Terminal Type Screw terminals (front connection) Connection Capacity Up to 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 2.3-2.5kg (depending on rating) 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