MERSEN FUSE Contact Size 2 – M12 fixing 22SZK3

Q: What fuse size is it compatible with?

It is designed for use with NH Size 2 fuse installations.

Q: What fixing size does it use?

The contact is supplied with an M12 fixing for secure installation.

Mersen M1043843 NH Size 2 fuse contact with M12 fixing for industrial fuse bases and low-voltage power distribution.

SKU: M1043843Alt SKU: 22SZK3MPN: M1043843

List Price £35.81 ex VAT

Your Price (ex VAT)

£35.81

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SUBTOTAL (EX VAT) £35.81

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Manufacturer Lead Time

£35.81

Why Choose the Mersen M1043843 NH Fuse Contact?

The Mersen M1043843 is a high-quality NH fuse contact designed for use with NH Size 2 fuse bases. Manufactured by Mersen, this robust contact assembly provides a secure electrical connection between the fuse-link and the fuse base, ensuring reliable current transfer and long service life in demanding industrial power distribution systems.

Designed with an M12 fixing, the M1043843 offers straightforward installation and dependable mechanical strength. Manufactured from high-conductivity materials, it helps minimise contact resistance while maintaining reliable performance under continuous electrical loading.

Suitable for switchboards, panel building, industrial distribution equipment and OEM electrical assemblies, the M1043843 is an ideal replacement or spare component for maintaining NH fuse systems in commercial and industrial environments.

Key Advantages

Designed for NH Size 2 fuse bases.
M12 fixing for secure installation.
Provides reliable electrical contact between fuse and base.
High-conductivity construction reduces contact resistance.
Suitable for industrial and commercial power distribution.
Ideal as a replacement or maintenance component.

Key Features

Manufacturer: Mersen.
Model: M1043843.
Product type: NH fuse contact.
Compatible fuse size: NH Size 2.
Fixing size: M12.
Industrial-grade construction.
Low-resistance electrical connection.
Suitable for switchgear and fuse bases.

Reliable Electrical Connections

The Mersen M1043843 is designed to maintain a dependable electrical connection within NH fuse assemblies. Quality fuse contacts are essential for minimising heat generation, reducing energy losses and ensuring reliable operation of electrical protection systems.

Its durable construction makes it suitable for demanding industrial environments where long-term reliability and consistent electrical performance are critical.

Typical Applications

NH fuse bases.
Industrial switchboards.
Low-voltage power distribution.
Motor control centres.
OEM electrical equipment.
Panel building and maintenance.

Technical Specifications

Manufacturer	Mersen
Model	M1043843
Product type	NH fuse contact
Compatible fuse size	NH Size 2
Fixing	M12
Application	NH fuse bases
Mounting	Mechanical fixing
Material	High-conductivity metal alloy
Typical applications	Industrial power distribution and switchgear
Device Type	Fuse link
Fuse Type	NH (DIN)

Frequently Asked Questions

What is the Mersen M1043843?

The M1043843 is an NH fuse contact designed for NH Size 2 fuse bases with an M12 fixing.

What fuse size is it compatible with?

It is designed for use with NH Size 2 fuse installations.

What fixing size does it use?

The contact is supplied with an M12 fixing for secure installation.

Where is this component typically used?

It is commonly installed in industrial switchgear, distribution boards and OEM electrical equipment using NH fuse systems.

Is it suitable as a replacement part?

Yes, the M1043843 is suitable as a replacement or spare contact for compatible NH Size 2 fuse bases.

Trusted by Electrical Professionals

Mersen electrical connection components are widely specified by panel builders, switchgear manufacturers and maintenance engineers for dependable performance in industrial 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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