nch8-4p-40 chint modular contactor 40a 4 pole 4 no 230vac

nch8-4p-40 chint modular contactor 40a 4 pole 4 no 230vac

CHINT NCH8-4P-40 modular contactor with 40A operational rating, 4 NO contacts and 230V AC control coil for lighting, heating and automation control applications.

SKU: NCH8-4P-40Alt SKU: NCH84P40MPN: NCH8-4P-40
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List Price £60.82 ex VAT
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Why Choose the CHINT NCH8-4P-40 Modular Contactor?

The CHINT NCH8-4P-40 is a compact and energy-efficient four-pole modular AC contactor designed for reliable switching and control of electrical loads in residential, commercial and light industrial installations. As part of the trusted CHINT NCH8 modular contactor series, it provides dependable remote control for lighting, heating, ventilation and automation systems where silent operation and space-saving DIN rail installation are required.

The NCH8-4P-40 features a 40 A rated operational current, a 230 V AC control coil and a 4 NO contact configuration. Its modular construction allows straightforward installation inside distribution boards, control panels and building automation systems requiring efficient load management and reliable switching performance.

Designed for AC load switching applications, the CHINT NCH8-4P-40 supports AC-1, AC-7a and AC-7b utilisation categories, making it suitable for controlling lighting circuits, electric heating systems, HVAC equipment and other electrical loads in modern power distribution applications.

Key Advantages

  • Compact four-pole modular AC contactor designed for DIN rail installation.
  • 40 A rated operational current for commercial and industrial load control.
  • 4 normally open contacts for multi-circuit switching applications.
  • 230 V AC control voltage compatible with standard control systems.
  • Silent and energy-efficient operation for modern electrical installations.
  • Reliable switching performance with long operational life.

Key Features

  • CHINT NCH8 modular AC contactor series.
  • 40 A rated current.
  • 4 pole modular contactor design.
  • 4 normally open (NO) contacts.
  • 230 V AC operating coil.
  • Suitable for AC-1, AC-7a and AC-7b applications.
  • 35 mm DIN rail mounting compatible.
  • Low-noise electromagnetic switching operation.

Reliable Modular Switching for Building Automation

The CHINT NCH8-4P-40 provides dependable remote switching and control of electrical circuits, enabling automated operation of lighting, heating and other electrical loads. Modular contactors improve energy management by allowing integration with timers, sensors and building automation systems.

The NCH8 series combines compact construction, quiet operation and reliable switching performance, making it suitable for residential, commercial and light industrial installations where efficient electrical control is required.

Typical Applications

  • Lighting circuit control.
  • Electric heating systems.
  • Building automation installations.
  • HVAC and ventilation equipment.
  • Commercial distribution boards and control panels.
  • Timed electrical load switching applications.

Technical Specifications

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Terminal Type Screw
Poles 4-pole
Coil Voltage Range 200–250 V
Current 40 A
Voltage 230 V
Phase Three Phase
IP Rating IP20
Device Type Modular contactor
Coil Type AC
Series NCH8 Modular Contactors
Product type Modular contactor
Rated operational current 40 A
Main contact configuration 4 NO
Control coil voltage 230 V AC
Rated operational voltage 230 / 400 V AC
Rated insulation voltage 500 V
Utilisation categories AC-1, AC-7a, AC-7b, AC-3
Frequency 50 / 60 Hz
Mounting type 35 mm DIN rail or screw mounting
Protection rating IP20
Mechanical life Approx. 3 million operations
Electrical life Approx. 100,000 operations
Dimensions Approx. 36 × 85 × 66.5 mm
Standards IEC/EN 61095, IEC/EN 60947-4-1

Frequently Asked Questions

What is the CHINT NCH8-4P-40 used for?

The CHINT NCH8-4P-40 is used for remote switching and control of electrical loads including lighting, heating and automation systems.

What current rating does this modular contactor provide?

The NCH8-4P-40 provides a 40 A rated operational current for suitable AC switching applications.

What contact configuration does the NCH8-4P-40 have?

The contactor features a 4 normally open contact configuration for flexible multi-circuit switching applications.

What control voltage does this contactor use?

The NCH8-4P-40 uses a 230 V AC control coil for standard electrical control circuits.

Where is the NCH8-4P-40 installed?

The contactor is designed for 35 mm DIN rail mounting inside electrical distribution boards, consumer units and automation control panels.

Trusted by Electrical Engineers Worldwide

CHINT NCH8 modular contactors are widely used in building automation and electrical control systems where compact installation, silent operation and dependable switching performance are essential.