NC2-115 3P Contactor
Chint NC2-115 3P Power Contactor (115A, 55kW, AC Coil)
Heavy-duty 3-pole 115A Chint NC2-115 contactor for 55 kW AC motor control, with AC coils in multiple voltages and IEC/CE certified performance for industrial panels.
The Chint NC2-115 3P Power Contactor is a heavy-duty 115A, 3-pole contactor for 55 kW motors at 400 V. Designed for remote making and breaking of power circuits, it is widely used in industrial motor control centers, HVAC plants, and power distribution panels, with multiple AC coil voltage options and IEC-compliant performance.
Key Features
High Current Capacity: Rated operational current 115A (AC-3), suitable for heavy induction motors
55 kW Motor Rating: Supports up to 55 kW at 400 V motor loads under AC-3 duty
3-Pole Main Contacts: 3 normally open main poles for 3-phase power circuits
Auxiliary Contacts: Typically provided with multiple auxiliary contacts (e.g., 4NO + 4NC) for signalling and interlocking (variant-dependent)
Wide Coil Voltage Options: AC coil versions in 110–127V, 220–240V, 380–415V, 50/60 Hz
IEC & Global Certifications: Complies with IEC/EN 60947-4-1 and carries CE, VDE, UL approvals (model-dependent)
Industrial Operating Conditions: Designed for ambient temperatures from -5°C to +40°C and installation up to 2000m altitude
Panel-Friendly Mounting: Suitable for panel/screw mounting, widely used in MCCs and power panels
Technical Specifications (Table)
| Parameter | Specification |
|---|---|
| Series | Chint NC2 |
| Model | NC2-115 |
| Product Type | 3-Pole Power Contactor |
| Poles (Main Contacts) | 3P (3NO) |
| Rated Operational Current | 115 A (AC-3 duty – motor loads) |
| Rated Power | 55 kW at 400 V |
| Rated Insulation Voltage | Up to 690 V |
| Utilization Category | AC-3 (for squirrel-cage motors) |
| Frequency | 50/60 Hz |
| Coil Type | AC operational coil |
| Coil Voltage Options | 110–127 V AC, 220–240 V AC, 380–415 V AC (model-wise) |
| Auxiliary Contacts | Typical variants with 4NO + 4NC (check exact model) |
| Standards | IEC/EN 60947-4-1; CE, VDE, UL certified (as per data sheet) |
| Ambient Temperature | -5°C to +40°C |
| Installation Altitude | ≤ 2000 m |
| Mounting | Panel/screw mounting (in MCC or power panel) |
| Typical Applications | Motor starters, HVAC, compressors, blowers, heavy process loads |
Applications
Large motor control centres (MCCs) and feeder panels
55 kW class pumps, compressors and blowers
HVAC and chiller plant control panels
Industrial conveyors, crushers and mixers
Power distribution and main in/out contactor applications
What’s in the Box?
1 × Chint NC2-115 3P Power Contactor (coil voltage as ordered)
Auxiliary contact block (as provided by the selected variant)
Basic installation/wiring leaflet (from manufacturer)
Warranty/QC label from supplier or manufacturer
FAQ (4–6 Q&A)
Q1. What is the current and power rating of NC2-115?
It is rated for 115A (AC-3) with a motor power of 55 kW at 400 V.
Q2. Which coil voltages are available?
NC2-115 contactors are available with AC coils in ranges like 110–127V, 220–240V, and 380–415V, 50/60 Hz, depending on the exact model.
Q3. Is NC2-115 suitable for heavy motor starting?
Yes, it is designed for AC-3 duty and is widely used for heavy 3-phase induction motors in industrial applications.
Q4. What auxiliary contacts are provided?
Typical NC2-115 variants have multiple auxiliary contacts (for example, 4NO + 4NC). Exact configuration depends on the ordering code.
Q5. Where is this contactor commonly used?
In MCC panels, HVAC systems, pump rooms, compressors, and general industrial motor control where a 115A contactor is required.
Q6. What standards does it comply with?
The contactor complies with IEC/EN 60947-4-1 and carries CE, VDE, and UL certifications as per manufacturer documentation.