CHINT NCZ5NE Series DC Contactor,
is a high-performance contactor designe for DC circuit control and switching in electric vehicles,
energy storage systems, photovoltaic power stations, and DC distribution networks.
It supports voltages up to 1500V DC and currents up to 500A, delivering exceptional reliability,
arc suppression, and long electrical life. With low coil power consumption,
sealed construction, and optional auxiliary contacts, the NCZ5NE ensures safe and efficient operation in demanding DC applications.
- Standard Compliance: IEC 60947-4-1, GB/T 14048.4
- Rated Operational Voltage (Ue): DC 12V–1500V
- Rated Insulation Voltage (Ui): 1500V DC
- Rated Operating Current (Ie): 50A, 100A, 150A, 200A, 300A, 400A, 500A
- Rated Control Voltage (Us): DC 12V, 24V, 48V, 72V, 110V (customized options available)
- Main Circuit Type: Normally Open (1NO)
- Auxiliary Contacts (optional): 1NO + 1NC
- Breaking Capacity: 6 × Ie at 450V DC
- Making Capacity: 10 × Ie at 450V DC
- Electrical Life: ≥ 100,000 operations
- Mechanical Life: ≥ 1,000,000 operations
- Contact Voltage Drop: ≤ 80mV (at rated current)
- Insulation Resistance: ≥ 100MΩ (at 500V DC)
- Dielectric Strength:
- Between contacts: 2500V AC, 1 min
- Between coil and contacts: 2500V AC, 1 min
- Coil Power Consumption: ≤ 5W
- Response Time:
- Pick-up: ≤ 30ms
- Drop-out: ≤ 10ms
- Mounting Position: Vertical or horizontal
- Cooling Mode: Natural air cooling
- Protection Degree: IP20
- Ambient Temperature: −40°C to +85°C
- Altitude: ≤ 2000m
- Applicable Environments: EV DC charging systems, energy storage converters, industrial DC control, and PV arrays
