MERSEN FUSE BSL NH00160A 185mm 01BSLS100 01BSLS100

Q: What current is this fuse rail rated for?

The unit has a continuous current rating of 160 A.

Q: Does the P1023421 include a protective cover?

Yes. The fuse rail is supplied with the MZ00KH cover shroud to provide touch protection.

Q: Which busbar system is it designed for?

The P1023421 is designed for installation on a standard 185 mm busbar system.

Reliable NH-vertical fuse rail designed for 690VAC and 160A, 3-pole bus bar system with clamp strap cable connection for secure fuse installation.

SKU: P1023421Alt SKU: 01BSLS100MPN: P1023421

List Price £144.73 ex VAT

Your Price (ex VAT)

£144.73

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

Get the best trade prices Trade exclusive

Create a trade account to unlock exclusive pricing, special offers and more.

Quantity:

SUBTOTAL (EX VAT) £144.73

Trade pricing is personalised to your account

Manufacturer Lead Time

£144.73

Why Choose the Mersen P1023421 BSL NH Fuse Rail?

The Mersen P1023421 is a high-quality BSL NH vertical fuse rail designed for safe and reliable low-voltage power distribution. Rated at 160 A and 690 V AC, this three-pole fuse rail is engineered for direct mounting onto 185 mm busbar systems, making it an ideal solution for industrial switchboards and panel building applications.

Designed for NH Size 00 fuse-links, the P1023421 features three copper clamp strap cable terminations (4–70 mm²) complete with a protective MZ00KH cover shroud. The touch-protected IP20 construction enhances operator safety while allowing quick installation and simplified maintenance.

As part of Mersen's modular BSL NH Fuse Rail range, this fuse rail offers dependable circuit protection and flexible installation for industrial power distribution systems, OEM machinery and commercial electrical installations.

Key Advantages

Genuine Mersen BSL NH vertical fuse rail.
Rated at 160 A and 690 V AC.
Designed for 185 mm busbar systems.
Compatible with NH Size 00 fuse-links.
Touch-protected IP20 construction improves operator safety.
Supplied with three copper clamp strap terminals and MZ00KH cover shroud.

Key Features

Mersen BSL NH Fuse Rail series.
Model: P1023421.
Catalogue number: 01BSLS100.
160 A rated current.
690 V AC operating voltage.
Three-pole configuration.
185 mm busbar mounting.
Three copper clamp straps (4–70 mm²).
MZ00KH protective cover shroud included.
Suitable for NH Size 00 fuse-links.

Reliable NH Fuse Rail for Industrial Distribution

The Mersen P1023421 provides dependable protection and switching for low-voltage distribution systems using NH Size 00 fuse-links. Its modular design enables straightforward installation onto standard 185 mm busbar systems while offering excellent accessibility for maintenance and fuse replacement.

The integrated copper clamp strap terminals accommodate conductors from 4 mm² to 70 mm², making the fuse rail suitable for a wide range of industrial, commercial and OEM electrical applications where safe, compact power distribution is essential.

Typical Applications

Industrial switchboards.
Busbar power distribution systems.
Motor control centres.
OEM electrical equipment.
Commercial electrical distribution panels.
Industrial machinery and automation.

Technical Specifications

Phase	Three Phase
Item number	P1023421
Catalogue No	01BSLS100
Description	NH-vertical fuse rail BSL Size NH00 690VAC 160A 3-Pole Bus bar system 185 mm With cable connection Clamp Strap
EAN/UPC Code	4027597020996
Frequency (Hz)	50 ... 60 Hz
Rated voltage AC IEC	690 V
Ampere Rating	160 A
RoHS Compliant	Yes
AC or DC	AC
Fuse Size	NH00
Fuse Type/Class	DIN
Design Details	3 clamp straps Cu 4-70 mm² with cover shroud MZ00KH
Number of Poles	3-Pole
Fuse Installation Method	Clip-in
Max Fuse Rating	160 A
Max Power dissipation of Fuse Links Pn	12 W
Max Power dissipation of Solid Links Pn	1.2 W
Power Dissipation by Ith without Fuse-Links	21 W
Installation Mounting	Bus bar system 185 mm
Product Width	50 mm
Product Length	91.9 mm
Product Height	664 mm
Sell Pack Quantity	1 EA
Sell Pack Weight	2 kg
Sell Pack Width	51 mm
Sell Pack Length	100 mm
Sell Pack Height	673 mm
Product group	Fuse Rails
Conventional Free Air thermal Current With Fuse-Links Ith	160 A
Product Weight	2 kg
Conventional Free Air thermal Current - Solid Links	200 A
HS Code	85361090
Country of Manufacture	Hungary
Poles	3-pole
Fuse Size	NH00
Voltage	690 V

Frequently Asked Questions

What is the Mersen P1023421 used for?

The P1023421 is a three-pole NH Size 00 fuse rail designed for mounting on 185 mm busbar systems to provide circuit protection and power distribution.

What current is this fuse rail rated for?

The unit has a continuous current rating of 160 A.

Which cable sizes can be connected?

The integrated copper clamp strap terminals accept conductors from 4 mm² to 70 mm².

Does the P1023421 include a protective cover?

Yes. The fuse rail is supplied with the MZ00KH cover shroud to provide touch protection.

Which busbar system is it designed for?

The P1023421 is designed for installation on a standard 185 mm busbar system.

Trusted for Industrial Power Distribution

Mersen BSL fuse rails are trusted by panel builders, switchgear manufacturers and electrical engineers worldwide for providing reliable NH fuse protection, safe installation and long-term performance in demanding industrial power distribution systems.

Phase	Three Phase
Item number	P1023421
Catalogue No	01BSLS100
Description	NH-vertical fuse rail BSL Size NH00 690VAC 160A 3-Pole Bus bar system 185 mm With cable connection Clamp Strap
EAN/UPC Code	4027597020996
Frequency (Hz)	50 ... 60 Hz
Rated voltage AC IEC	690 V
Ampere Rating	160 A
RoHS Compliant	Yes
AC or DC	AC
Fuse Size	NH00
Fuse Type/Class	DIN
Design Details	3 clamp straps Cu 4-70 mm² with cover shroud MZ00KH
Number of Poles	3-Pole
Fuse Installation Method	Clip-in
Max Fuse Rating	160 A
Max Power dissipation of Fuse Links Pn	12 W
Max Power dissipation of Solid Links Pn	1.2 W
Power Dissipation by Ith without Fuse-Links	21 W
Installation Mounting	Bus bar system 185 mm
Product Width	50 mm
Product Length	91.9 mm
Product Height	664 mm
Sell Pack Quantity	1 EA
Sell Pack Weight	2 kg
Sell Pack Width	51 mm
Sell Pack Length	100 mm
Sell Pack Height	673 mm
Product group	Fuse Rails
Conventional Free Air thermal Current With Fuse-Links Ith	160 A
Product Weight	2 kg
Conventional Free Air thermal Current - Solid Links	200 A
HS Code	85361090
Country of Manufacture	Hungary
Poles	3-pole
Fuse Size	NH00
Voltage	690 V

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.

LED Controls showroom with electrical products on display

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.

● Service Agreements

Credit Accounts

Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.

Priority sourcing and supply support

Flexible payment terms for qualifying organisations

Support for engineering, maintenance, and operations

500 +

Stock lines ready to ship

1,000 +

Same day dispatches

3500 +

Customers supported

28 Trusted Manfacturers

● frequently asked questions

Common questions about our products and support

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.

What product ranges do you supply

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

Can you help specify the correct part?

Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.

Do you have stock for urgent orders?

What are your delivery times and costs?

What about warranties, returns and faulty items?

● latest blog

Discover our latest insights and
expert advice

From a Simple Idea to Small Business of the Year: The LED Controls Story So Far…

by admin | Aug 11, 2026 | News

LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.

LED Controls: Danfoss Drives Authorised Partner

by admin | Jan 17, 2026 | Product Spotlight

2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...

LED Controls: Your Complete Control Panel Solution