APC Schneider Electric LC1D18V7 contactor TeSys D, 3P, 18 A, 400 V AC, 1 NO + 1 NC

The APC Schneider Electric LC1D18V7 is a high-performance contactor from the TeSys D series, designed for reliable motor control and switching applications. With a compact 3-pole design, it supports a rated operational current of 18 A in AC-3 category and 32 A in AC-1, making it suitable for a wide range of industrial and commercial installations. The control circuit operates at 400 V AC, ensuring compatibility with standard power systems.

Advantages

This contactor offers exceptional durability with 15 million mechanical cycles and 1.6 million electrical cycles, reducing maintenance needs. Its built-in auxiliary contacts (1 NO + 1 NC) simplify wiring and enhance functionality. The IP20 protection on the front face provides safety against accidental contact, while the wide operating temperature range (-5 to 60 °C) ensures reliable performance in demanding environments.

Suitable for

• Motor starting and switching in AC-3 applications up to 7.5 kW at 400 V
• Resistive and inductive load switching in AC-1 applications
• Industrial control panels, HVAC systems, and conveyor systems
• Rail or plate mounting in distribution boards

Key specifications

• Product Series: TeSys D
• Number of Poles: 3P
• Rated Operational Current (AC-3): 18 A at ≤ 440 V AC
• Rated Operational Current (AC-1): 32 A at ≤ 690 V AC
• Control Circuit Voltage: 400 V AC 50/60 Hz
• Motor Power (AC-3, 400V): 7.5 kW
• Auxiliary Contacts: 1 NO + 1 NC (built-in)
• Mounting Type: Rail, Plate
• Electrical Durability (AC-3): 1.6 Mcycles
• Mechanical Durability: 15 Mcycles
• Operating Temperature: -5 to 60 °C
• IP Protection Level: IP20 (front face)
• Standards: IEC 60947-4-1
• Rated Insulation Voltage (Ui): 690 V
• Rated Impulse Withstand Voltage (Uimp): 6 kV
• Pollution Degree: 3

Recommendations

For optimal performance, pair this contactor with appropriate overload relays and circuit breakers from the TeSys range. Ensure proper mounting and ventilation to maintain rated electrical durability. Always follow local electrical codes and manufacturer guidelines.