nc1-f431 chint contactor head mount auxillary block with 3no+1nc contacts

Q: What contact arrangement does this accessory provide?

The NC1-F431 provides 3 normally open (3NO) and 1 normally closed (1NC) auxiliary contacts.

Q: How is the NC1-F431 installed?

The accessory uses a front-mounted snap-on design for quick installation onto compatible CHINT contactors.

CHINT NC1-F431 front-mounted auxiliary contact block with 3 normally open and 1 normally closed contacts for NC1 and NC2 contactors used in industrial control systems.

SKU: NC1-F431Alt SKU: NC1F431MPN: NC1-F431

List Price £12.14 ex VAT

Your Price (ex VAT)

£12.14

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SUBTOTAL (EX VAT) £12.14

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Manufacturer Lead Time

£12.14

Why Choose the CHINT NC1-F431 Auxiliary Contact Block?

The CHINT NC1-F431 is a reliable front-mounted auxiliary contact block designed for use with CHINT NC1 and NC2 series contactors in industrial automation and motor control applications. As part of the CHINT NC1 auxiliary contact accessory range, it provides additional control and signalling capability for electrical panels, machinery and automation systems.

Featuring a 3 normally open (3NO) and 1 normally closed (1NC) auxiliary contact configuration, the NC1-F431 enables flexible control functionality for interlocking, feedback and status indication circuits. Its head-mounted design allows quick installation onto compatible CHINT contactors, making it suitable for customised industrial control systems.

The NC1-F431 is designed for industrial environments where dependable auxiliary switching performance is required. Compatible with CHINT NC1 and NC2 contactors, this accessory helps expand contactor functionality without replacing the complete contactor assembly.

Key Advantages

Reliable front-mounted auxiliary contact block for CHINT contactors.
3NO + 1NC auxiliary contacts for signalling, monitoring and control applications.
Quick snap-on installation onto compatible contactors.
Expands contactor functionality for industrial automation systems.
Compact modular design for efficient electrical panel layouts.
Suitable for interlocking, feedback and auxiliary control circuits.

Key Features

CHINT NC1-F auxiliary contact block series.
3 normally open and 1 normally closed auxiliary contact configuration.
Front / head mounting design.
Compatible with CHINT NC1 and NC2 series contactors.
Designed for control, signalling and interlocking circuits.
Modular accessory design for industrial contactor systems.
Quick snap-on installation.

Reliable Auxiliary Control Expansion

Auxiliary contact blocks such as the CHINT NC1-F431 expand the capabilities of industrial contactors by providing additional switching contacts for monitoring, signalling and control functions. These accessories allow automation engineers to create more flexible and reliable electrical control circuits.

The NC1-F431 head-mounted auxiliary block is designed for straightforward integration with compatible CHINT contactors, helping simplify installation while improving control circuit functionality within industrial automation systems and electrical switchgear assemblies.

Typical Applications

Industrial motor starter assemblies.
Automation and PLC control systems.
Electrical interlocking circuits.
Machine control panels.
Pump and compressor control systems.
OEM machinery and industrial switchgear.

Technical Specifications

Manufacturer	CHINT
Series	NC1-F Auxiliary Contact Blocks
Model	NC1-F431
Product type	Auxiliary contact block
Mounting position	Front / head mount
Auxiliary contact configuration	3NO + 1NC
Compatible contactors	CHINT NC1 and NC2 series
Rated insulation voltage	Up to 690 V
Utilisation category	AC-15 / DC-13
Frequency	50 / 60 Hz
Standard compliance	IEC/EN 60947-5-1
Mounting method	Snap-on front mounting
Protection rating	IP20
Device Type	Auxiliary contact block
Auxiliary Contacts	3NO + 1NC

Frequently Asked Questions

What is the CHINT NC1-F431 used for?

The CHINT NC1-F431 is used to add additional auxiliary contacts to compatible CHINT contactors for signalling, interlocking and control circuit functions.

What contact arrangement does this accessory provide?

The NC1-F431 provides 3 normally open (3NO) and 1 normally closed (1NC) auxiliary contacts.

How is the NC1-F431 installed?

The accessory uses a front-mounted snap-on design for quick installation onto compatible CHINT contactors.

Which contactors are compatible with this auxiliary block?

The NC1-F431 is designed for use with compatible CHINT NC1 and NC2 series contactors.

What are auxiliary contact blocks used for?

Auxiliary contact blocks are used for signalling, electrical interlocking, status indication and automation control functions within industrial systems.

Trusted by Control Panel Builders Worldwide

CHINT auxiliary contact blocks are widely used in industrial automation and motor control systems where reliable signalling, interlocking and control circuit expansion are essential.

UK delivery

Delivery options

Free UK delivery on orders over £200 ex VAT. Order in-stock items before 2pm Monday to Friday for next-day delivery.

This product Lead time on request

Please contact us for a delivery time before you order

Standard delivery

£8 ex VAT · free over £200

UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.

Heavier items may be charged at a weight-based or pallet rate, shown at checkout.

Collect from our showroom

Mon–Fri, 8am–5pm

Order and pay online, then collect from our showroom.

Please allow 15–30 minutes after ordering for us to prepare your order.

Northern Ireland, ROI & export

Priced at checkout

We deliver to Northern Ireland, the Republic of Ireland and overseas.

Delivery is calculated at checkout based on your destination.

Orders with mixed availability

Shipped complete

If part of your order is on a lead time, we hold it and send everything together.

Need the in-stock items sooner? Ask us and we can split the delivery.

Business customer returns

Returns & order support

Need to return an item? Find the guidance for your order below, then contact our team before sending anything back.

Stocked items

Request within 30 days

Changed your mind or ordered the wrong item? Request a return within 30 days of receipt. There is no restocking charge.

Items must be unused, in resalable condition and in their original packaging, and returns need our approval first. Return carriage is at your cost, and the original delivery charge is not refunded.

Faulty or damaged items

Tell us as soon as possible

Faulty, damaged on delivery or the wrong product supplied? Contact our team as soon as possible with the details.

We will review the issue and arrange an appropriate resolution under our terms and conditions and your statutory rights.

Made-to-order items

Manufacturer approval needed

Manufactured, configured and special-order products can only be returned with the manufacturer’s approval. Any handling charge is agreed with you when you request the return.

This does not affect claims for faulty goods or items that do not meet the agreed specification.

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Let’s get your return sorted.

Send your order number, product details and reason for return. For faults or delivery damage, include photographs if available. We will confirm the next steps.

Email returns team 01706 242050

The 30-day return request period applies to change-of-mind returns for stocked items. It does not limit your statutory rights for faulty or non-conforming goods.

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At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.

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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.

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