Standard delivery
£8 ex VAT · free over £200UK 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.
Mersen CMS141I Modulostar CMS14 single-pole modular fuse holder for 14 x 51 mm cylindrical fuse links, rated 50 A at 690 V AC or DC with visual blown-fuse indication and IP20 protection.
£10.54
The Mersen CMS141I, manufacturer item number L331049, is a compact single-pole modular fuse holder designed for 14 × 51 mm cylindrical fuse links. Part of the established Mersen Modulostar® CMS14 series, it provides dependable overcurrent protection for industrial control panels, electrical distribution equipment and machinery.
This model incorporates an integrated visual blown-fuse indicator, helping maintenance personnel identify an operated fuse link quickly. Faster fault identification can reduce troubleshooting time and support efficient maintenance in industrial and commercial electrical installations.
Rated at 50 A and suitable for systems up to 690 V AC or 690 V DC, the CMS141I combines reliable electrical performance with a compact DIN rail mounted design. Its durable modular enclosure provides IP20 finger-safe protection, including during fuse replacement, helping improve safety during installation and servicing.
The Mersen CMS141I provides a secure and accessible method of installing a 14 × 51 mm cylindrical fuse link within an electrical control panel or distribution assembly. When fitted with a correctly selected fuse link, it supports effective protection against overload and short-circuit conditions.
The integrated visual indicator allows engineers to identify an operated fuse without lengthy testing, helping improve maintenance efficiency. Its finger-safe construction and straightforward DIN rail mounting make the CMS141I suitable for both new panel builds and replacement applications.
Tick the specs you need, then view products that match.
| Fuse Indication | Visual indicator | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole | |
| Device Type | Fuse base / holder | |
| Fuse Type | Cylindrical | |
| Fuse Size | 14x51 mm | |
| Current | 50 A | |
| Voltage | 690 V | |
| Manufacturer | Mersen | |
| Series | Modulostar® CMS14 | |
| Model | CMS141I | |
| Item number | L331049 | |
| EAN / UPC | 8430399000022 | |
| Product type | Modular cylindrical fuse holder | |
| Number of poles | 1 | |
| Fuse size | 14 × 51 mm | |
| Rated current | 50 A | |
| Rated voltage AC | 690 V AC | |
| Rated voltage DC | 690 V DC | |
| Current type | AC / DC | |
| Short-circuit current rating | 100 kA | |
| Rated insulation voltage | 690 V | |
| Rated impulse withstand voltage | 8 kV | |
| Indication system | Visual blown-fuse indicator | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Terminal torque rating | 3.5 Nm | |
| Housing material | Durable thermoplastic or thermoset insulating material | |
| RoHS compliant | Yes | |
| HS Code | 85361050 | |
| Country of Manufacture | Tunisia |
The CMS141I is a single-pole modular fuse holder designed to install 14 × 51 mm cylindrical fuse links in industrial and commercial electrical circuits.
It is designed for standard 14 × 51 mm cylindrical fuse links with ratings up to 50 A.
Yes. The CMS141I includes an integrated visual indicator that helps maintenance personnel identify an operated fuse link quickly.
The fuse holder is rated for electrical systems up to 690 V AC or 690 V DC.
The unit is designed for installation on a standard DIN rail inside an electrical control panel, switchboard or equipment enclosure.
Mersen Modulostar® fuse holders are widely specified by electrical engineers, panel builders and OEM manufacturers for dependable circuit protection, finger-safe operation and efficient fault identification in demanding electrical installations.
We use cookies
We use essential cookies to run this site, your basket and checkout. With your permission we'd also like to use analytics and advertising cookies to understand how the site is used and to measure our adverts.