Parameters Brand: Schneider Electric Series: TeSys D (LC1D family) Model / Part Number: LC1D38B7C Product Type: AC Contactor (Electromechanical Contactor) Number of Poles: 3 (3 main poles) Contact Configuration: 3 NO (main contacts) + 1 NO + 1 NC (auxiliary contacts) Rated Operational Current (Ie): 38 A (AC‑3) Rated Operational Voltage (Ue): ≤ 690 VAC (25…400 Hz) for power circuit; ≤ 300 V DC Control Circuit / Coil Voltage: 24 V AC, 50/60 Hz Utilization Category: AC‑1, AC‑3, AC‑3e, AC‑4 Motor Power Ratings (AC‑3): ~18.5 kW at 380‑440 VAC (3‑phase) ~9 kW at 220‑230 VAC (3‑phase) Rated Insulation Voltage (Ui): ~690 V Rated Making Capacity: ~550 A at 440 VAC (power circuit) Conventional Free‑Air Thermal Current (Ith): ~50 A (power circuit) Control/Signal Contacts: 1 NO + 1 NC (auxiliary) Coil Power: Typical rated for low‑power AC operation Mounting: Panel or DIN‑rail compatible with adaptor (consult installation guide) Electrical Life / Durability: Designed for high switching cycles in industrial use Standards Compliance: IEC/EN 60947 series Installation Environment: Industrial electrical control panels