Chint NC8-205 Contactor Series
Chint NC8-205 AC Contactor, 205A, 3P, 3NO, Heavy-Duty Motor Control
Industrial-grade 205A AC contactor for heavy-duty motor control and remote switching up to 690V, suitable for MCC panels, automation systems, HVAC, and pump control.
The Chint NC8-205 AC Contactor is a high-capacity industrial contactor engineered for heavy-duty motor control and remote circuit switching. With a 205A AC-3 rating and robust 3-pole construction, it meets IEC/EN 60947-4-1 standards and delivers reliable performance in harsh industrial environments such as manufacturing plants, HVAC systems, pump stations, and automation panels.
Key Features
205A AC-3 rating suitable for heavy industrial machinery
Rated operational voltage up to 690V
3-pole, 3NO main contacts
Comes with 2NO + 2NO auxiliary contacts (4 auxiliary contacts total)
Wide coil voltage options: 110–127V, 220–240V, 380–415V
Compatible with NR2 thermal overload relays for DOL starters
Modular design supports auxiliary contact blocks, delay modules, surge suppressors
High electrical and mechanical endurance
Suitable for frequent motor starting/stopping
Fully compliant with IEC/EN 60947-4-1
Technical Specifications
| Parameter | Details |
|---|---|
| Model | NC8-205 |
| Brand | Chint |
| Rated Current (AC-3) | 205A at 415V |
| Poles | 3P |
| Main Contacts | 3NO |
| Auxiliary Contacts | 4 total (2NO + 2NO) |
| Coil Type | AC/DC universal |
| Coil Voltage Options | 110–127V, 220–240V, 380–415V |
| Rated Operational Voltage (Ue) | Up to 690V |
| Rated Insulation Voltage (Ui) | 690V |
| Frequency | 50/60 Hz |
| Mounting | Panel / DIN rail (depending on frame size) |
| Overload Relay Compatibility | Chint NR2 series |
| Standards Compliance | IEC/EN 60947-4-1 |
| Applications | MCC panels, HVAC, pumps, automation |
| Dimensions | 24 × 19 × 22 cm |
| Weight | 6.5–8 kg |
Applications
Heavy-duty motor starters
MCC panels and industrial control centers
HVAC and air-handling systems
Pumping, compressors, and blower units
Water treatment plants
Remote and automated switching systems
Industrial manufacturing equipment
What’s in the Box?
1 × Chint NC8-205 Contactor
Pre-installed auxiliary contacts (2NO + 2NO)
Manufacturer test label and wiring diagram
Packaging with anti-shock protection
FAQ
Q1. What is the current rating of the NC8-205?
205A at AC-3 (415V).
Q2. Does the NC8-205 have DC coil options?
Yes, certain variants are available with DC operational coils.
Q3. Can it be paired with an overload relay?
Yes, it integrates with Chint NR2 series overload relays.
Q4. How many auxiliary contacts are included?
A total of 4 auxiliary contacts (2NO + 2NO).
Q5. Is this suitable for frequent motor starting?
Yes, it is engineered for high switching endurance.
Q6. What mounting options are available?
Panel mounting is standard; DIN rail mounting may be available depending on frame size.