Schneider LC1D18Q7 Contactor | TeSys D – 3P (3NO) – AC-3 – ≤ 440V 18A – 380V AC Coil

1. Overview

The Schneider LC1D18Q7 is a 3-pole (3NO) contactor from the TeSys D series, designed for AC-3 motor control applications. It supports up to 18A at ≤ 440V, making it suitable for switching 3-phase motors and other industrial loads. The 380V AC coil provides reliable operation in high-voltage control circuits, ensuring efficient performance in industrial automation and electrical distribution systems.

2. Key Features

• Brand: Schneider Electric

• Series: TeSys D

• Model: LC1D18Q7

• Type: Contactor

• Number of Poles: 3 (3NO)

• Utilization Category: AC-3 (Motor Control)

• Voltage Rating: ≤ 440V

• Current Rating: 18A

• Coil Voltage: 380V AC

• Control Circuit Frequency: 50/60Hz

• Electrical Durability: Long lifespan with high switching endurance

• Connection Type: Screw clamp terminals for secure and easy wiring

• Mounting: DIN rail or panel mount for flexible installation

3. Benefits

• Efficient Motor Control: Designed for AC-3 applications, making it ideal for controlling 3-phase motors.

• High Voltage Coil: The 380V AC coil ensures compatibility with high-voltage control circuits.

• Compact and Modular Design: Saves space in electrical panels and enclosures.

• Reliable & Durable: Built for industrial environments with high electrical endurance.

• Easy Installation & Maintenance: Screw clamp terminals enable quick and secure wiring.

4. Applications

• Industrial Automation: Used in motor control and machine automation systems.

• Pumps & Fans: Controls electric pumps, blowers, and ventilation fans.

• Conveyor Systems: Ensures smooth operation of conveyors and material handling equipment.

• Power Distribution: Ideal for switching operations in power panels.

• HVAC Systems: Controls compressors, chillers, and air-handling units.

5. Conclusion

The Schneider LC1D18Q7 TeSys D Contactor is a reliable, high-performance, and durable solution for motor control and industrial switching applications. With its 3-pole (3NO) configuration, 18A rating, and 380V AC coil, it provides efficient and consistent operation in commercial and industrial electrical systems.