The CHINT NCH8 Modular AC Contactor is designed for reliable control of AC loads in residential, commercial, and light industrial applications. With rated currents up to 63 A and operational voltages up to 400 V, it provides silent operation, compact structure, and high safety. Built to IEC/EN 61095 and IEC/EN 60947-4-1 standards, the NCH8 offers efficient control for lighting, heating, ventilation, and motor circuits, making it an ideal solution for smart building and power distribution systems.

• Standards: IEC/EN 61095, IEC/EN 60947-4-1
• Utilization Categories: AC-1, AC-7a, AC-7b, AC-3
• Rated Operational Voltage (Ue): 230 V / 400 V AC 50/60 Hz
• Rated Insulation Voltage (Ui): 500 V
• Rated Current (Ie): 20 A / 25 A / 40 A / 63 A
• Rated Control Voltage (Us): AC 24 V, 110 V, 220/230 V, 240 V
• Rated Power (AC-3, 400 V): 1.2 kW – 11 kW
• Coil Operating Range: 85% – 110% Us for pull-in; 20% – 75% Us for release
• Making & Breaking Capacity: AC-1: 6000 operations; AC-7a: 30,000 operations; AC-3/AC-7b: 30,000 operations
• Mechanical Life: 3 million operations
• Electrical Life: ≥ 100,000 operations
• Noise Level: Silent operation (no coil buzz)
• Protection Degree: IP20
• Ambient Temperature: −5 °C to +40 °C
• Altitude: ≤ 2000 m
• Mounting: 35 mm DIN rail or screw mount
• Number of Contacts: 2P, 3P, or 4P
• Configurations: 1NO, 1NC, 2NO, 2NC, 3NO+1NC, 2NO+2NC, 4NO
• Wiring Terminals: Screw type
• Dimensions (mm): 2P: 18 × 85 × 66.5; 4P: 36 × 85 × 66.5
• Applications: Lighting circuits, HVAC, household automation, control panels, and electric heating systems