Chint NC8-100 Contactor Series
Chint NC8-100 AC Contactor, 100A, 3P/4P, 1NO+1NC
High-performance 100A AC contactor for industrial motor control and remote circuit switching up to 690V. Available in 3-pole and 4-pole variants with multiple coil voltage options, suitable for MCCs, HVAC, pumps, and automation panels.
The Chint NC8-100 AC Contactor is a 100A industrial-grade power contactor designed for reliable remote switching and frequent starting of AC motors in low-voltage systems up to 690V. Built to IEC/EN 60947-4-1 standards, it supports multiple coil voltages and pole configurations, making it suitable for MCC panels, HVAC systems, automation control panels, and pump stations.
Key Features
100A AC-3 rated current for heavy motor applications
Operational voltage up to 690V for industrial power systems
Available in 3P and 4P configurations
Standard 1NO + 1NC auxiliary contacts (expandable with add-on blocks)
AC & DC coil voltage options: 24V, 48V, 110V, 220V, 230V, 380V
DIN-rail or screw mounting for flexible installation
High electrical & mechanical life suitable for continuous operation
Compatible with NR8 series thermal overload relays for complete motor protection
Complies with IEC/EN 60947-4-1, CE, and KEMA certifications
Technical Specifications
| Parameter | Details |
|---|---|
| Model | NC8-100 |
| Brand | Chint |
| Rated Operational Current | 100A (AC-3, 415V) |
| Rated Operational Voltage (Ue) | Up to 690V AC |
| Rated Insulation Voltage (Ui) | 690V AC |
| Poles | 3P or 4P variants |
| Main Contacts | 3NO (3P), 4NO (4P) |
| Auxiliary Contacts | 1 NO + 1 NC |
| Coil Type | AC/DC |
| Coil Voltages | 24V / 48V / 110V / 220V / 230V / 380V |
| Frequency | 50/60 Hz |
| Mounting | Screw + DIN rail |
| Utilization Category | AC-1 / AC-3 |
| Overload Relay Compatibility | NR8 series |
| Standards | IEC/EN 60947-4-1, CE, KEMA |
| Dimensions | 14.7 × 12.5 × 13.5 cm |
| Weight | ~1.20–1.40 kg |
Applications
Motor control centres (MCCs)
HVAC systems—compressors, AHUs, chillers
Industrial pumps, blowers and conveyors
Power distribution and automation panels
Electromagnetic starters (DOL starters with NR8 relay)
Industrial machinery switching
What’s in the Box?
1 × Chint NC8-100 AC Contactor
1 × Auxiliary block (1NO + 1NC integrated)
Manufacturer’s label and wiring diagram
FAQ
Q1. What is the current rating of the Chint NC8-100?
100A under AC-3 utilization at 415V.
Q2. Is the NC8-100 available in 4-pole?
Yes, 4-pole variants up to 100A are available.
Q3. Which coil voltages are available?
24V, 48V, 110V, 220V, 230V, and 380V AC/DC (model dependent).
Q4. Can it be used with overload relays?
Yes, it works with Chint NR8 series overload relays.
Q5. Does it follow IEC standards?
Yes, it meets IEC/EN 60947-4-1.
Q6. What is the typical application?
Motor starting, industrial control panels, HVAC, and automation.