Chint NC8-09 Contactor Series

The Chint NC8-09 AC Contactor is a 9A, 3-pole power contactor designed for reliable remote switching and control of AC motors and power circuits up to 690V. With 1NO 1NC auxiliary contacts, wide coil voltage options, and IEC 60947-4-1 compliance, it fits a broad range of industrial and panel-building applications. 

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Key Features

• 9A rated operational current (AC-3, 400V) suitable for small motor starters and control circuits 

• Rated operational voltage up to 690V AC, Hz for global industrial power systems 

• Available as 3-pole main contactor (NC8-09 standard) with optional 4-pole series variants in the NC8 family 

• Standard 1NO 1NC auxiliary contacts (normal-type 9–38A version) 

• Multiple AC and DC coil options (e.g., 24V, 48V, 110V, 220V, 380V) for flexible control design 

• DIN rail or screw mounting for easy integration into MCCs and control panels 

• IP20 protection (NC8-06~65) with finger-safe front shrouds when installed inside an enclosure 

• Can be combined with Chint NR2 thermal overload relays to form DOL starters for overload protection 

• High mechanical endurance, up to 10 million mechanical operations (NC8 series)

Technical Specifications 

Parameter	Value
Model	NC8-09
Brand	Chint
Series	NC8 AC Contactor Series
Product Type	Power Contactor
Rated Operational Current (AC-3)	9 A at 400 V
Rated Operational Voltage (Ue)	Up to 690 V AC, 50/60 Hz
Rated Insulation Voltage (Ui)	Up to 690 V
Number of Poles	3P (3 main poles)
Main Contact Configuration	Typically 3 NO (power contacts, depending on variant)
Auxiliary Contacts	Standard 1 NO 1 NC (normal type 9–38A)
Coil Type	AC or DC operational (depending on variant)
Typical Coil Voltage Options	24V, 48V, 110V, 220V, 230V, 240V, 380V, 400V AC; 24V, 48V, 110V, 220V DC
Frequency	50 / 60 Hz
Utilization Categories	AC-1, AC-3 (and AC-4 for some NC8 series variants)
Protection Degree	IP20 (NC8-06~65)
Mounting	DIN rail or panel/screw mounting
Standards Compliance	IEC/EN 60947-4-1
Mechanical Life	Up to 10 million operations (NC8 series)
Typical Accessories	Auxiliary contact blocks, delay modules, mechanical interlocks
Approx. Dimensions (L×W×H)	4.7 × 14.7 × 13.5 cm (typical pack)
Approx. Weight	~0.90 kg

Applications 

• Direct-on-line (DOL) starting of small AC induction motors

• Motor control centres (MCCs) and industrial control panels

• HVAC fan, blower and pump control

• General-purpose power switching for lighting and heating loads

• OEM machine control, process equipment, and automation systems

• Electromagnetic starters when paired with NR2 thermal overload relays

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What’s in the Box?

• 1 × Chint NC8-09 AC Contactor (coil voltage as ordered)

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

• Product label with ratings and terminal markings

• Basic installation/wiring guide (if supplied by manufacturer)

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FAQ 

Q1. What is the current rating of the NC8-09 contactor?
A1. The NC8-09 is rated 9A in AC-3 utilization at 400V, suitable for small motor and control loads. 

Q2. How many poles and auxiliary contacts does it have?
A2. Standard NC8-09 is a 3-pole contactor with main NO power contacts and 1NO 1NC auxiliary contacts in the normal type configuration. 

Q3. Which coil voltages are available?
A3. The NC8 series supports a wide range of AC and DC coil voltages, such as 24V, 48V, 110V, 220V, 230V, 240V, and 380V AC and 24V, 48V, 110V, and 220V DC. Specific availability depends on the selected NC8-09 variant. 

Q4. Can NC8-09 be used with thermal overload relays?
A4. Yes. It is designed to be paired with Chint NR2 thermal overload relays to form an electromagnetic starter for motor overload protection. 

Q5. Is the NC8-09 suitable for frequent motor starting?
A5. Yes, the NC8 series is engineered for frequent AC motor starting and stopping, with high electrical and mechanical endurance. 

Q6. What level of protection does the contractor provide?
A6. NC8-06 to NC8-65 models, including NC8-09, are IP20 when used with their front shrouds and must be installed inside an appropriate enclosure.