Specifications General Product Family: TeSys D (Schneider Electric) Device Type: Electromagnetic contactor Model: LC1D300E7C Number of Poles: 3 (three normally open contacts) Application: AC motor control, load switching, power distribution Utilisation Categories: AC‑1, AC‑3, AC‑4 Electrical Ratings Rated Operational Current (Ie): 300 A (power circuit) Rated Operational Voltage (Ue): Up to 690 V AC Rated Insulation Voltage (Ui): 1000 V AC Rated Impulse Withstand Voltage (Uimp): 6–12 kV (application dependent) Control Coil Voltage: 220 V AC, 50/60 Hz Conventional Free‑Air Thermal Current (Ith): 300 A Minimum Switching Current: Suitable for control circuits (~mA level) Motor & Load Performance Motor Power Ratings (AC‑3 Load Duty): Capable of switching motors within 300 A capacity Resistive Load Capability: High reliability for general resistive loads Mechanical & Operational Operating Mechanism: Electromagnetic coil actuation Control Coil Power Consumption: Standard for 220 V AC Operating Frequency: Suitable for frequent switching in industrial environments Mechanical Life: Millions of mechanical operations Electrical Life: High endurance when switching under rated load Connection Type: Standard panel or DIN‑rail compatible mounting Auxiliary Contacts & Accessories Auxiliary Contact Blocks: Optional auxiliary contacts available (NO/NC) for control logic Mounting: Panel mounting or DIN‑rail with accessory kits Environmental Ambient Operating Temperature: Industrial standard range Pollution Degree: Suitable for industrial environments Protection Level: Typically IP20 in installed assemblies Vibration & Shock Resistance: Designed for industrial use