Schneider Electric LC1D18M7C is a 3‑pole electromechanical AC contactor from the TeSys D series designed for motor control, switching, and load management applications in industrial and commercial electrical systems. It features three main power contacts and integrated auxiliary contacts for control and signaling functions. The contactor is suitable for switching AC loads such as motors, lighting, heating, and other resistive or inductive circuits. It is engineered for durable performance, high electrical reliability, and robust mechanical endurance, and supports panel or DIN‑rail mounting in control panels and distribution boards.
Parameters
Brand: Schneider Electric
Series: TeSys D (LC1D family)
Model / Part Number: LC1D18M7C
Product Type: AC Contactor (Electromechanical)
Number of Main Poles: 3 (3P)
Auxiliary Contacts: 1 NO + 1 NC (integrated auxiliary block)
Rated Operational Current (Ie): 18 A (AC‑3 utilization category)
Rated Operational Voltage (Ue): Up to 690 V AC
Control Coil Voltage: Variant dependent (common options include 24 V AC/DC, 110 V AC, 230 V AC)
Utilisation Categories: AC‑1, AC‑3, AC‑4
Motor Power Ratings (Approximate):
~7.5 kW at 380–440 V AC (3‑phase)
~3.7 kW at 220–230 V AC (3‑phase)
Rated Insulation Voltage (Ui): ~690 V
Thermal Current (Ith): ~25 A (free‑air thermal current)
Rated Breaking Capacity: ~300–350 A at 440 V AC
Operating Frequency: 50 / 60 Hz
Mounting: Panel or DIN‑rail compatible
Mechanical Endurance: High cycle durability
Electrical Endurance: Designed for frequent load switching
Standards Compliance: IEC 60947 series