The Chint NC8-65 AC Contactor is a 65A industrial-duty power contactor designed for remote switching and frequent starting of AC motors in three-phase systems up to 690V. With AC and DC coil options, 3-pole and 4-pole versions, and built-in auxiliary contacts, it is suited for MCC panels, HVAC systems, and general automation.

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Key Features

• 65A AC-3 rating at 415V for heavy motor loads

• Operational voltage up to 690V (AC-3) / 1000V (AC-1)

• Available in 3-pole (3NO) and 4-pole (4NO) models

• Standard 1NO + 1NC auxiliary contacts

• Coil options: 24V / 48V / 110VDC / 230V / 380V

• Industrial-grade mechanical and electrical endurance

• DIN rail or screw mounting for flexible installation

• Compatible with Chint NR2 thermal overload relays for DOL starter applications

• Complies with IEC/EN 60947-4-1 low-voltage switchgear standards

• Suitable for high-frequency switching in automation and motor control

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Technical Specifications 

Parameter	Details
Model	NC8-65
Brand	Chint
Rated Operational Current (AC-3)	65A at 415V
Rated Operational Voltage (Ue)	Up to 690V AC
Rated Insulation Voltage (Ui)	Up to 1000V
Poles	3P or 4P
Main Contacts	3NO (3P) / 4NO (4P)
Auxiliary Contacts	1NO + 1NC
Coil Type	AC or DC
Coil Voltages	24V / 48V / 110VDC / 230V / 380V
Frequency	50 / 60 Hz
Utilization Category	AC-3 (motors), AC-1 (resistive loads)
Mounting	DIN rail / Screw mounting
Compatibility	Chint NR2 thermal overload relays
Compliance	IEC/EN 60947-4-1
Applications	Motor control, MCCs, HVAC, automation
Dimensions	8.0 × 11.0 × 12.5 cm
Weight	1.00 kg

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Applications 

• Remote switching and control of AC motors

• MCC panels and industrial automation systems

• HVAC compressors, air handlers and chillers

• Pump, blower, and conveyor control

• Power distribution and switching of resistive loads

• DOL motor starters with NR2 relay integration

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What’s in the Box?

• 1 × Chint NC8-65 Contactor (coil voltage as selected)

• Built-in auxiliary contacts (1NO + 1NC)

• Terminal labeling and specification sheet (if included)

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FAQ 

Q1. What is the current rating of the NC8-65?
A1. The NC8-65 is rated 65A under AC-3 duty at 415V.

Q2. Does it come in both 3-pole and 4-pole versions?
A2. Yes—3P (3NO) and 4P (4NO) variants are available.

Q3. What coil voltages are supported?
A3. AC coils: 24V, 48V, 230V, 380V;
DC coils: 110V DC (depending on model).

Q4. Can it be used with a thermal overload relay?
A4. Yes, it pairs with Chint NR2 overload relays for DOL starters.

Q5. Is it suitable for frequent switching?
A5. Yes, the NC8 series is designed for high-frequency motor control operations.

Q6. Does it comply with any standards?
A6. It meets IEC/EN 60947-4-1 standards for industrial motor control devices.