nm8-al-1250 chint alarm contact for nm8-125-1250

Q: Which circuit breakers is this alarm contact compatible with?

The NM8-AL-1250 is compatible with Chint NM8 frame sizes from 125 A to 1250 A.

Q: Is this an auxiliary contact?

No. This accessory functions as an alarm contact, providing indication when the breaker trips rather than simply showing the breaker position.

Chint NM8-AL-1250 alarm contact accessory providing remote trip indication for compatible NM8 moulded case circuit breakers from 125 A to 1250 A.

SKU: NM8-AL-1250Alt SKU: NM8AL1250MPN: NM8-AL-1250

List Price £22.24 ex VAT

Your Price (ex VAT)

£22.24

Manufacturer Lead Time Please contact us for a delivery time before you order

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SUBTOTAL (EX VAT) £22.24

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Manufacturer Lead Time

£22.24

Why Choose the Chint NM8-AL-1250 Alarm Contact?

The Chint NM8-AL-1250 is an alarm contact accessory designed for use with Chint NM8 Series moulded case circuit breakers (MCCBs). It provides remote indication whenever a compatible MCCB trips due to an overload, short circuit or other fault condition, enabling rapid fault identification and improved system monitoring.

As part of the Chint NM8 accessory range, the NM8-AL-1250 enhances the functionality of compatible circuit breakers by providing a dedicated alarm signal for control systems, PLCs, building management systems and remote monitoring applications. It is ideal for installations where fast fault notification is essential to minimise downtime and improve maintenance efficiency.

Compatible with Chint NM8 frame sizes from 125 A to 1250 A, the NM8-AL-1250 offers a reliable and compact solution for industrial and commercial electrical installations requiring remote breaker trip indication.

Key Advantages

Provides remote indication when an MCCB trips.
Compatible with Chint NM8 MCCBs from 125 A to 1250 A.
Improves fault diagnosis and maintenance response times.
Ideal for integration with PLCs and monitoring systems.
Compact accessory designed for simple installation.
Supports safer and more efficient electrical system monitoring.

Key Features

Chint NM8 Series accessory.
Alarm contact module.
Provides remote breaker trip indication.
Compatible with NM8-125 to NM8-1250 MCCBs.
Suitable for industrial and commercial control systems.
Compact and reliable construction.
Simple integration into compatible MCCBs.
Designed for dependable long-term operation.

Reliable Remote Fault Indication

Alarm contacts provide a dedicated signal whenever a circuit breaker trips due to a fault condition. This allows maintenance personnel or automated control systems to immediately detect an unexpected breaker operation without requiring visual inspection of the electrical panel.

The NM8-AL-1250 helps improve system availability by reducing fault investigation time and supporting preventative maintenance strategies across industrial automation, manufacturing facilities and commercial electrical installations.

Typical Applications

Industrial control panels.
Power distribution switchboards.
Building management systems.
PLC and SCADA monitoring systems.
OEM machinery.
Commercial and industrial electrical installations.

Technical Specifications

Manufacturer	Chint
Series	NM8
Model	NM8-AL-1250
Product type	Alarm contact
Accessory type	MCCB signalling accessory
Function	Remote breaker trip indication
Compatible breaker frames	NM8-125 to NM8-1250
Suitable for	3 pole and 4 pole NM8 MCCBs
Application	Industrial and commercial electrical installations
Installation	Internal accessory for compatible NM8 MCCBs
Product code	NM8-AL-1250
Device Type	Accessory

Frequently Asked Questions

What is the Chint NM8-AL-1250 used for?

It provides a remote alarm signal whenever a compatible NM8 moulded case circuit breaker trips due to a fault condition.

Which circuit breakers is this alarm contact compatible with?

The NM8-AL-1250 is compatible with Chint NM8 frame sizes from 125 A to 1250 A.

Is this an auxiliary contact?

No. This accessory functions as an alarm contact, providing indication when the breaker trips rather than simply showing the breaker position.

Can this accessory be connected to a PLC?

Yes. The alarm contact can be connected to PLCs, monitoring systems or building management systems to provide remote fault indication.

Where is the alarm contact installed?

It is installed inside a compatible Chint NM8 moulded case circuit breaker as an internal accessory.

Trusted by Electrical Professionals Worldwide

Chint NM8 accessories are trusted by panel builders, OEMs and industrial engineers to enhance the monitoring, safety and reliability of low-voltage power distribution systems.

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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