MERSEN FUSE BASE MOD.CMS.14 C/MICRO+IND 1P CMS141MI

Q: What fuse size does the CMS141MI accept?

It is designed for standard 14 × 51 mm cylindrical fuse links.

Q: What is the voltage and current rating?

The CMS141MI is rated for 50 A and operates at up to 690 V AC or 690 V DC.

Mersen CMS141MI Modulostar 14×51 modular fuse holder with visual blown fuse indicator, integrated microswitch, 50 A rating and 690 V AC/DC operation for industrial electrical protection.

SKU: CMS141MIAlt SKU: CMS141MIMPN: S331055

List Price £38.52 ex VAT

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£38.52

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Manufacturer Lead Time

£38.52

Why Choose the Mersen CMS141MI Modulostar® Fuse Holder?

The Mersen CMS141MI is a premium Modulostar® 14×51 modular fuse holder designed to provide safe, reliable and efficient protection for low voltage electrical installations. Engineered for industrial control panels and distribution systems, this single-pole fuse holder incorporates both a visual blown fuse indicator and an integrated microswitch, allowing local and remote indication of fuse operation for improved maintenance and system monitoring.

Part of Mersen's trusted Modulostar® CMS14 series, the CMS141MI features an IP20 finger-safe design compliant with IEC standards, ensuring safe fuse replacement whilst minimising downtime. Its compact DIN rail mounting format makes installation quick and straightforward for OEMs, panel builders and industrial maintenance engineers.

Rated for 50 A with 690 V AC / 690 V DC operation, the CMS141MI accepts standard 14×51 mm cylindrical fuse links, providing dependable circuit protection for industrial machinery, motor control panels, power distribution equipment and automation systems.

Key Advantages

Designed for 14×51 mm cylindrical fuse links.
Visual blown fuse indication for rapid fault identification.
Integrated microswitch enables remote monitoring.
IP20 finger-safe construction for improved operator safety.
Compact DIN rail mounting saves panel space.
Suitable for demanding industrial and OEM applications.

Key Features

Mersen Modulostar® CMS14 series.
Single-pole fuse holder.
Accepts 14×51 mm cylindrical fuse links.
50 A current rating.
690 V AC / 690 V DC rated voltage.
Built-in visual fuse indicator.
Integrated microswitch for remote indication.
IP20 finger-safe protection.
DIN rail mounting.
Manufactured from durable thermoplastic materials.

Reliable Protection for Industrial Electrical Panels

The Mersen CMS141MI provides dependable protection and isolation for industrial electrical circuits by securely housing cylindrical fuse links whilst allowing rapid replacement when maintenance is required. The integrated visual indication and microswitch simplify fault diagnosis and enable remote status monitoring, helping reduce downtime and improve operational efficiency.

Its compact design, robust construction and finger-safe IP20 protection make the CMS141MI an excellent choice for modern switchboards, motor control centres and OEM machinery where safety, reliability and ease of maintenance are essential.

Typical Applications

Industrial control panels.
Motor control centres.
Machine building and OEM equipment.
Power distribution systems.
Automation control cabinets.
Electrical switchboards.

Technical Specifications

Phase	Single Phase
Manufacturer	Mersen
Series	Modulostar® CMS14
Model	CMS141MI
Product type	Modular fuse holder
Fuse size	14 × 51 mm
Number of poles	1
Rated current	50 A
Rated voltage AC	690 V
Rated voltage DC	690 V
Visual indicator	Yes
Microswitch	Integrated
Protection rating	IP20
Mounting type	DIN rail
Compliance	IEC compliant, RoHS compliant
HS Code	85361050
Country of Manufacture	Tunisia
Poles	1-pole
Device Type	Fuse base / holder
Fuse Size	14x51 mm
Current	50 A
Voltage	690 V

Frequently Asked Questions

What is the Mersen CMS141MI used for?

The CMS141MI is a modular fuse holder designed to safely install and protect 14×51 mm cylindrical fuse links in industrial electrical systems.

What fuse size does the CMS141MI accept?

It is designed for standard 14 × 51 mm cylindrical fuse links.

Does this fuse holder include a blown fuse indicator?

Yes. It incorporates a visual blown fuse indicator together with an integrated microswitch for remote indication.

What is the voltage and current rating?

The CMS141MI is rated for 50 A and operates at up to 690 V AC or 690 V DC.

Where is the CMS141MI typically installed?

It is commonly DIN rail mounted inside industrial control panels, switchboards and automation cabinets.

Trusted by Panel Builders Worldwide

Mersen Modulostar® fuse holders are widely specified by panel builders, OEMs and industrial engineers for dependable low voltage circuit protection, simple maintenance and long-term operational reliability.

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.

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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

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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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