The Schneider Electric LC1D620Q7C is a high‑capacity low‑voltage electromagnetic contactor from the TeSys D contactor family, designed for heavy‑duty switching and control of AC power circuits in industrial and commercial applications. It features a robust three‑pole switching configuration with a 620 A rated current and a 220 V AC control coil, making it suitable for motor starting, load switching, and power distribution control. The contactor supports multiple utilisation categories, delivers reliable performance under resistive and inductive load conditions, and can be easily integrated into panel and control systems.
Specifications
General
Product Family: TeSys D (Schneider Electric)
Device Type: Electromagnetic contactor
Model: LC1D620Q7C
Number of Poles: 3 (three normally open contacts)
Application: Heavy‑duty AC motor control and load switching
Utilisation Categories: AC‑1, AC‑3, AC‑4
Electrical Ratings
Rated Operational Current (Ie): 620 A (power circuit)
Rated Operational Voltage (Ue): Up to 690 V AC
Control Coil Voltage: 220 V AC, 50/60 Hz
Rated Insulation Voltage (Ui): 1000 V AC
Rated Impulse Withstand Voltage (Uimp): 8–12 kV (application dependent)
Conventional Free‑Air Thermal Current (Ith): 620 A
Minimum Switching Current: Low‑level usability (e.g., around milliamp range for control logic)
Motor & Load Performance
Motor Power Ratings (AC‑3 Load Duty):
High horsepower motor control capability consistent with 620 A rating
Resistive Load Capability: Designed to handle heavy resistive loads up to rated current
Mechanical & Operational
Operating Mechanism: Electromagnetic coil actuation with auxiliary contact integration options
Control Coil Power Consumption: Standard for 220 V AC coil
Operating Frequency: Suitable for frequent switching in industrial environments
Mechanical Life: Millions of mechanical operations
Electrical Life: High electrical endurance under rated load conditions
Auxiliary Contacts & Accessories
Auxiliary Contact Options: Optional auxiliary blocks (e.g., combinations of NO/NC contacts)
Mounting: DIN‑rail or panel mounting with accessory kits
Environmental
Ambient Operating Temperature: Typical industrial range
Pollution Degree: Suitable for industrial environments
Protection Level: Front protection per industrial standards (e.g., IP20)
Vibration & Shock Resistance: Designed for industrial use