NC2-185 3P Contactor
Chint NC2-185 3P Power Contactor (185A, 90kW)
Heavy-duty 3-pole 185A Chint NC2-185 contactor for 90 kW AC motor and industrial load control, available with multiple AC/DC coil voltages for MCC and power panels.
The Chint NC2-185 3P Power Contactor is a heavy-duty 185A, 3-pole contactor designed for AC-3 motor duty and industrial load switching. With a 90 kW rating at 400 V and multiple AC/DC coil voltage options, it is suited for MCC panels, pump rooms, compressors, HVAC plants, and general industrial power distribution.
Key Features
High Current Capacity: Rated operational current 185A (AC-3) for large induction motors and heavy loads
90 kW Motor Rating: Handles up to 90 kW @ 400 V in AC-3 applications
3-Pole Main Contacts:3 Normally Open (3NO) main contacts for 3-phase power circuits
Flexible Coil Options: Available in AC coils (110–127 V, 220–240 V, 380–415 V) and DC coil versions for control flexibility
Robust Design for AC1 Loads: AC1 rating up to 275A, suitable for resistive and lightly inductive loads
Industrial Duty: Designed for remote making and breaking of circuits in motor control, lighting and power panels
Panel-Friendly: Optimised for use in MCCs, feeder panels, HVAC, and automation systems
Technical Specifications (Table)
| Parameter | Specification |
|---|---|
| Brand | Chint |
| Series | NC2 Series |
| Model | NC2-185 |
| Product Type | 3-Pole Power Contactor |
| Number of Poles | 3 Poles (3NO main contacts) |
| Rated Operational Current | 185 A (AC-3 duty – motor loads) |
| AC1 Current Rating | 275 A |
| Rated Power | 90 kW at 400 V (AC-3) |
| Coil Type | AC operational; DC coil versions available |
| Coil Voltage Options | 110–127 V, 220–240 V, 380–415 V (model-wise) |
| Frequency | 50 / 60 Hz |
| Application | Remote switching of motors, power circuits, lighting, industrial loads |
| Main Contacts | 3 × Normally Open (3NO) |
| Mounting | Panel / MCC installation (screw / base mounting) |
| Manufacturer | Chint Electrics India Pvt. Ltd |
Applications
MCC (Motor Control Centre) panels for large motors
Pumps, blowers, compressors and crushers in process plants
HVAC chillers, AHUs and central plant controls
Heavy-duty conveyor systems and industrial drives
Main in/out contactor in power distribution and feeder panels
What’s in the Box?
1 × Chint NC2-185 3P Power Contactor (coil voltage as ordered)
Integrated coil (AC or DC as per variant)
Basic installation/wiring leaflet (from manufacturer, if supplied)
Warranty/QC sticker from manufacturer or distributor
FAQ
Q1. What is the rated current and power of NC2-185?
NC2-185 is rated for 185A (AC-3 duty) with a motor power rating of 90 kW at 400 V.
Q2. Which coil voltages are available?
The contactor is available with AC coils in 110–127 V, 220–240 V, and 380–415 V, 50/60 Hz, and there are DC coil versions for selected models.
Q3. Is NC2-185 suitable for heavy motor starting applications?
Yes, it is specifically designed for AC-3 motor duty, suitable for heavy 3-phase induction motors in industrial plants.
Q4. Can this contactor be used for general AC1 loads?
Yes, the AC1 rating is 275 A, making it suitable for resistive or lightly inductive loads in distribution panels.
Q5. Where is NC2-185 typically used?
It is widely used in MCC panels, pump rooms, compressor and blower starters, HVAC systems, and large industrial machinery.
Q6. Does the price vary with coil voltage?
Yes, prices differ slightly by coil voltage and configuration; confirm the exact voltage and quantity to get a final quote.