nc1-4004-240v chint contactor 240v 40a/18.5kw ac3 4p 4 main poles no

Why Choose the Chint NC1-4004-230V Contactor?

The Chint NC1-4004-230V is a robust and high-performance 3-pole AC contactor designed for industrial motor control, automation systems and heavy-duty switching applications. As part of the trusted Chint NC1 contactor series, this model provides dependable switching performance, compact installation dimensions and long operational life for demanding industrial environments.

Engineered for efficient switching of motors and power circuits, the NC1-4004-230V features 3 normally open main poles with 4 normally open auxiliary contacts, making it suitable for advanced control circuits, signalling and interlocking applications within industrial automation systems.

With an 40A AC-3 operational current, 60A AC-1 rating and 18.5 kW motor switching capability at 400 V AC, this contactor is ideal for controlling motors, pumps, compressors, HVAC systems and industrial machinery. The integrated 230 V AC control coil ensures compatibility with standard industrial control systems and machine control circuits.

Key Advantages

• Reliable 3-pole industrial AC contactor.
• 40A AC-3 operational current suitable for motor switching applications.
• 230 V AC control coil for industrial automation systems.
• 3 NO main poles with 4 NO auxiliary contacts for advanced control integration.
• Compact DIN rail or panel mounting design.
• Designed for long electrical and mechanical service life.

Key Features

• Chint NC1 series AC contactor.
• 3 normally open main poles.
• 4 normally open auxiliary contacts.
• 40A AC-3 rated current.
• 60A AC-1 rated current.
• 18.5 kW motor rating at 400 V AC.
• 230 V AC operating coil.
• DIN rail or panel mounting compatibility.
• Suitable for industrial motor switching and automation systems.
• Compatible with thermal overload relays and auxiliary modules.

Technical Specifications

• Manufacturer: Chint
• Series: NC1 AC Contactors
• Model: NC1-4004-230V
• Product type: 3-pole AC contactor
• Main poles: 3 NO
• Auxiliary contacts: 4 NO
• Rated operational current (AC-3): 40 A
• Rated operational current (AC-1): 60 A
• Motor power rating: 18.5 kW at 400 V AC
• Control coil voltage: 230 V AC
• Rated operational voltage: up to 690 V
• Rated insulation voltage: 690 V
• Rated impulse withstand voltage: 6 kV
• Operating frequency: 50 / 60 Hz
• Protection rating: IP20
• Mounting type: DIN rail or screw mounting
• Terminal type: Screw clamp terminals
• Standards: IEC/EN 60947-4-1
• Mechanical durability: approx. 10 million operations
• Electrical durability: approx. 1 million operations AC-3

Reliable Switching for Industrial Automation

Industrial contactors are electrically controlled switching devices used to remotely control motors and high-current electrical loads. The Chint NC1 series is designed to provide stable switching performance, excellent electrical endurance and long-term reliability in industrial environments.

The NC1-4004-230V is commonly used in industrial control panels, HVAC systems, conveyor systems and manufacturing machinery. Its multiple auxiliary contacts simplify control circuit integration, signalling and automation functionality within complex industrial systems.

Typical Applications

• Industrial motor starters.
• HVAC and ventilation systems.
• Conveyor and material handling systems.
• Industrial automation and control panels.
• Pump and compressor control systems.
• OEM machinery and manufacturing equipment.

Trusted by Industrial Engineers Worldwide

Chint NC1 contactors are trusted by industrial engineers, machine builders and panel manufacturers worldwide for dependable switching performance, durable construction and reliable long-term operation.