Specifications General Product Name: Industrial AC Contactor Series: A Series Model: A50-40-00 Main Contacts: 4 N.O. (Normally Open) Contactor Type: Non-reversing IEC contactor Design: Block type with easy maintenance and coil inspection features Mounting: Panel or DIN-rail compatible Standards: IEC 60947-4-1 compliance Electrical Main Circuit Voltage: Up to 690 V AC Control Coil Voltage: Varies by version (e.g., 24 V AC, 110–120 V AC, 220–240 V AC, etc.) Frequency: 50/60 Hz Rated Insulation Voltage (Ui): 1000 V AC Rated Impulse Withstand Voltage: 8 kV Coil Type: Electromagnetic AC coil Current & Load Ratings Rated Operational Current (AC-1): ~80 A Rated Operational Current (AC-3): ~54 A Rated Motor Power: Single-phase motors up to ~20 HP @ 230/240 V Three-phase motors up to ~40 HP @ 460/480 V Three-phase motors up to ~50 HP @ 575/600 V Mechanical Number of Poles: 4 Termination: Screw terminals Auxiliary Contacts: Optional add-on blocks Operating Cycles: High cycle life for frequent operation Protection Class: IP20 Weight: ~1.4 kg Environmental Ambient Operating Temperature: –40 °C to +55 °C Storage Temperature: –60 °C to +80 °C Designed for: Industrial environments with standard humidity and vibration tolerances Applications Control of three-phase motors and power circuits Industrial automation and machine control Heating and lighting load switching Power distribution control panels HVAC and pump control systems