Parameters Brand: Schneider Electric Series: TeSys D (LC1D family) Model / Part Number: LC1D300M7C Product Type: AC Contactor (Electromechanical) Number of Main Poles: 3 (3‑pole) Auxiliary Contacts: Typically 1 NO + 1 NC (integrated) Rated Operational Current (Ie): 300 A (AC‑3 utilization category) Rated Operational Voltage (Ue): Up to 1000 V AC Control Coil Voltage: Variant dependent (common options include 220 V AC, 50/60 Hz; other voltages available) Utilisation Categories: AC‑1, AC‑3 Motor Power Ratings (Approximate): ~90–110 kW at 380–440 V AC (3‑phase) ~45–55 kW at 220–230 V AC (3‑phase) Higher power at elevated voltages depending on system rating Rated Insulation Voltage (Ui): ~1000 V Thermal Current (Ith): ~300 A (free‑air thermal current) Rated Breaking / Making Capacity: Suitable for heavy load interruption and making operations Operating Frequency: 50 / 60 Hz Mounting: Panel or DIN‑rail compatible Mechanical Endurance: High cycle durability for frequent switching Electrical Endurance: Designed for heavy load switching Environmental Conditions: Typical industrial ambient range Standards Compliance: IEC 60947 series (AC contactors)