The CHINT NXCC Capacitor Contactor is a specialized device designed for safe and efficient switching of low-voltage capacitor banks in power factor correction systems. With rated operational voltage up to 690 V and current ratings from 25 A to 170 A, it minimizes inrush current using pre-charge resistors to protect capacitors and extend service life. Built to IEC/EN 60947-4-1 standards, the NXCC series ensures reliable performance in reactive power compensation, offering stable operation even under demanding industrial conditions.

• Standards: IEC/EN 60947-4-1
• Rated Operational Voltage (Ue): Up to 690 V
• Rated Insulation Voltage (Ui): 690 V
• Impulse Withstand Voltage (Uimp): 6 kV
• Rated Current (Ith): 25 A / 32 A / 43 A / 63 A / 95 A / 115 A / 150 A / 170 A
• Rated Operational Current (Ie, AC-6b): NXCC-25: 19 A; NXCC-63: 52.5 A; NXCC-170: 136.8 A
• Controlled Capacitor Capacity (kvar): 220/230 V: 7.2–52.1 kvar; 380/400 V: 12.5–90 kvar; 660/690 V: 21.7–156.3 kvar
• Coil Working Voltage: 110 V, 127 V, 220 V, 380 V, 415 V (50 Hz) | Pick-up: 85–110% Us; Release: 20–75% Us
• Coil Capacity (VA): Start/Hold: 70/9.5 VA (NXCC-25) to 1000/91.2 VA (NXCC-170)
• Auxiliary Contacts: 25–115 A: 2NO+1NC or 1NO+2NC; 150–170 A: 3NO+2NC or 2NO+3NC | Capacity: AC-15: 230 V/2.7 A; 400 V/1.5 A | DC-13: 220 V/0.3 A
• Surge Current Suppression: 20 × Ie (resistor pre-charge circuit)
• Protection Degree: IP20 (front) / IP10 overall
• Environmental Conditions: Temperature: −35 °C to +70 °C (normal −5 °C to +40 °C); Altitude: ≤ 2000 m; Humidity: ≤ 50% at +70 °C; up to 90% at +20 °C
• Pollution Degree: 3
• Installation Category: III
• Inclination: ≤ ±5° from vertical
• Shock/Vibration: No significant mechanical vibration allowed
• Mounting Options: NXCC-25~43: Screw or 35 mm DIN rail; NXCC-63~115: Screw or 35/75 mm DIN rail; NXCC-150~170: Screw mounting
• Applications: Power factor correction cabinets, reactive power compensation systems, industrial and commercial capacitor banks, and electrical distribution systems