nc2-18504-240v chint contactor 240vac coil 185a/90kw ac3 4p 4 main poles (4no)

Why Choose the Chint NC2-18504-240V Contactor?

The Chint NC2-18504-240V is a heavy-duty 4 pole AC contactor designed for reliable switching and control of industrial motors, high-current electrical loads and demanding automation systems. Part of the proven Chint NC2 contactor series, this model is engineered for industrial applications requiring dependable switching performance, long electrical endurance and stable operation under high-current conditions.

Built with robust double-break contacts and compact industrial construction, the NC2 series is widely used in motor control centres, manufacturing plants and OEM machinery installations. Its 240V AC control coil allows straightforward integration into industrial control circuits, while the 4 normally open main poles provide flexible switching capability for three-phase motors and industrial power applications.

With an AC3 operational current rating of 185A and a 90 kW motor switching capability, the NC2-18504-240V is ideal for compressors, conveyors, pumps, HVAC systems and industrial manufacturing equipment requiring dependable high-current motor control and long-term operational durability.

Key Advantages

• Heavy-duty 4 pole industrial contactor for demanding applications.
• 185A AC3 operational current rating for industrial motor control.
• 90 kW motor switching capability at 400V AC.
• 240V AC control coil for industrial automation systems.
• Compact design with efficient panel integration.
• Reliable switching performance with long operational endurance.

Key Features

• Chint NC2 series AC contactor.
• 4 normally open (4NO) main poles.
• 185A AC3 rated operational current.
• 275A AC1 thermal current rating.
• 90 kW motor power rating.
• 240V AC coil voltage.
• Double-break contact structure for dependable operation.
• Compatible with NXR thermal overload relays and auxiliary accessories.

Technical Specifications

• Manufacturer: Chint
• Series: NC2 Contactors
• Model: NC2-18504-240V
• Product type: AC power contactor
• Main poles: 4NO
• Rated operational current (AC3): 185A
• Rated thermal current (AC1): 275A
• Motor power rating: 90 kW at 400V AC
• Control coil voltage: 240V AC
• Operational voltage: Up to 690V AC
• Frequency: 50 / 60 Hz
• Protection rating: IP00 (IP20 with protective shrouds)
• Mounting type: Panel mounting
• Mechanical life: Up to 2–3 million operations
• Electrical life (AC3): Up to 1.2 million operations
• Standard compliance: IEC/EN 60947-4-1

Reliable Switching for Industrial Power Systems

Industrial AC contactors are essential for safely controlling motors and high-current electrical loads in demanding industrial environments. The Chint NC2 range is designed to deliver dependable switching performance while reducing electrical wear during repeated operational cycles.

The NC2-18504-240V is widely used in industrial automation systems, control panels and heavy machinery installations where high-current switching and long operational life are critical. Compatibility with overload relays and auxiliary accessories provides flexibility for modern industrial control systems.

Typical Applications

• Industrial motor starters and control systems.
• HVAC and ventilation equipment.
• Pumps, compressors and conveyor systems.
• Industrial automation and OEM machinery.
• Manufacturing and processing equipment.
• Power switching and electrical distribution systems.

Trusted by Industrial Engineers Worldwide

The Chint NC2 contactor range is widely used in industrial automation and motor control systems for dependable switching performance, compact installation and long-term operational reliability.