The Chint NC8-150 AC Contactor is a robust 150A power contactor designed for heavy-duty industrial motor control and remote switching applications. With a 3-pole, 3NO configuration and compatibility with AC/DC coils, it delivers reliable performance in demanding electrical environments. Built to IEC/EN 60947-4-1 standards, it integrates seamlessly with thermal overload relays and auxiliary accessories.

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Key Features

• 150A AC-3 motor control rating for heavy industrial loads

• Rated operational voltage up to 690V AC

• 3-pole (3NO) main contact configuration

• Wide AC/DC coil voltage selection (110–127V, 220–240V, 380–415V, etc.)

• Modular design supports auxiliary blocks, delay modules, interlocks & suppressors

• Compatible with thermal overload relay to form DOL starters

• High mechanical and electrical life for frequent switching duty

• Suitable for panel mounting in MCCs, HVAC, pumps, compressors & automation panels

• Certified to IEC/EN 60947-4-1, CE, KEMA

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Technical Specifications 

Parameter	Details
Model	NC8-150
Brand	Chint
Rated Current (AC-3)	150A
Poles	3P
Main Contacts	3NO
Auxiliary Contacts	Up to 2NO + 2NO (model dependent)
Coil Type	AC or DC
Standard Coil Voltages	110–127V, 220–240V, 380–415V
Rated Operational Voltage (Ue)	Up to 690V
Rated Insulation Voltage (Ui)	690V
Frequency	50/60 Hz
Standards	IEC/EN 60947-4-1, CE, KEMA
Mounting Type	Panel mounting (DIN rail for some frames)
Overload Relay Compatibility	Fits NR2/NR8 series
Applications	Motor starters, MCCs, HVAC, power distribution
Weight	~3.2–4.0 kg
Dimensions	~19 × 15 × 17 cm

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Applications

• AC motor starting, reversing & remote switching

• MCC panels and automation control panels

• Heavy-duty HVAC & chiller units

• Pumping systems and compressors

• Industrial machinery and conveyor systems

• DOL motor starters with overload relay

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What’s in the Box?

• 1 × Chint NC8-150 Contactor

• 1 × Integrated auxiliary contact block (model dependent)

• Factory test certificate (if applicable)

• Wiring diagram label

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FAQ 

Q1. What is the current rating of the Chint NC8-150?
150A under the AC-3 utilization category.

Q2. Does the NC8-150 support DC coils?
Yes, certain variants are available with DC coil options.

Q3. Can I use this contactor with an overload relay?
Yes, it is compatible with Chint NR2/NR8 thermal overload relays.

Q4. Is the NC8-150 suitable for frequent switching?
Yes, it is engineered for heavy-duty industrial switching cycles.

Q5. Can accessories be added?
Yes—auxiliary contacts, suppressors, timers, and interlocks can be attached.

Q6. Is it certified?
Yes, it complies with IEC/EN 60947-4-1 and carries CE/KEMA certifications.