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MERSEN FUSE BASE MOD.CMS.14 C/MICRO+IND 3P CMS143MI
Mersen CMS143MI Modulostar modular fuse holder for 14×51 mm cylindrical fuse links with 3-pole configuration, visual blown fuse indicator, integrated microswitch, 50 A rating and 690 V AC/DC operation.
£52.42
Why Choose the Mersen CMS143MI Modulostar® Fuse Holder?
The Mersen CMS143MI is a premium Modulostar® modular fuse holder designed for 14×51 mm cylindrical fuse links. Featuring a 3-pole configuration, integrated visual blown fuse indicator and auxiliary microswitch, it provides reliable circuit protection together with both local and remote fuse-status monitoring for industrial electrical systems.
Part of the trusted Mersen Modulostar® CMS14 series, the CMS143MI combines robust thermoplastic construction with IP20 finger-safe protection, ensuring safe installation and maintenance. The integrated microswitch allows connection to PLCs, alarm systems and supervisory control equipment, helping maintenance personnel identify blown fuses quickly and minimise downtime.
Rated at 50 A and suitable for 690 V AC and 690 V DC systems, the CMS143MI is ideal for industrial control panels, OEM machinery, motor control centres and electrical distribution equipment requiring dependable protection and enhanced diagnostics.
Key Advantages
- Designed for 14×51 mm cylindrical fuse links.
- 3-pole modular configuration.
- Integrated visual blown fuse indicator.
- Built-in auxiliary microswitch for remote fuse-status monitoring.
- 50 A current rating.
- 690 V AC / 690 V DC rated operation.
- Finger-safe IP20 protection.
- DIN rail mounting for straightforward installation.
- Durable thermoplastic construction for demanding industrial environments.
Key Features
- Mersen Modulostar® CMS14 series.
- Model CMS143MI.
- Manufacturer item number P331006.
- Suitable for 14×51 mm cylindrical fuse links.
- 3-pole design.
- Integrated visual blown fuse indicator.
- Integrated auxiliary microswitch.
- 50 A rated current.
- 690 V AC / 690 V DC voltage rating.
- DIN rail mounting.
- IP20 finger-safe enclosure.
- RoHS compliant.
Reliable Protection with Local and Remote Fuse Monitoring
The Mersen CMS143MI combines dependable overcurrent protection with integrated local and remote monitoring. The visual blown fuse indicator allows maintenance personnel to identify an operated fuse immediately, while the auxiliary microswitch enables remote signalling to PLCs, HMIs or building management systems for faster fault diagnosis.
Its compact modular construction, finger-safe design and DIN rail mounting make it an ideal choice for industrial automation, machinery, motor control and electrical distribution systems where maximum reliability and rapid maintenance are essential.
Typical Applications
- Industrial control panels.
- Motor control centres.
- OEM machinery.
- Industrial automation systems.
- Power distribution equipment.
- PLC-monitored electrical systems.
- Process control installations.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Microswitch, Visual indicator | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | Fuse base / holder | |
| Fuse Size | 14x51 mm | |
| Current | 50 A | |
| Voltage | 690 V | |
| Manufacturer | Mersen | |
| Series | Modulostar® CMS14 | |
| Model | CMS143MI | |
| Manufacturer item number | P331006 | |
| EAN | 8430399000275 | |
| Product type | Modular fuse holder | |
| Fuse size | 14 × 51 mm cylindrical fuse links | |
| Number of poles | 3 | |
| Rated current | 50 A | |
| Rated voltage AC | 690 V | |
| Rated voltage DC | 690 V | |
| Fuse indication | Visual blown fuse indicator | |
| Auxiliary signalling | Integrated microswitch | |
| Protection rating | IP20 | |
| Mounting type | DIN rail mounting | |
| Approximate weight | 0.45 kg | |
| RoHS compliant | Yes | |
| HS Code | 85361050 | |
| Country of Manufacture | Tunisia |
Frequently Asked Questions
What is the Mersen CMS143MI used for?
The CMS143MI is a three-pole modular fuse holder designed for protecting industrial AC and DC electrical circuits using 14×51 mm cylindrical fuse links.
Which fuse size is compatible with the CMS143MI?
It is designed specifically for 14×51 mm cylindrical fuse links.
Does the CMS143MI include a blown fuse indicator?
Yes. It incorporates an integrated visual blown fuse indicator together with an auxiliary microswitch for remote monitoring.
What are the electrical ratings?
The CMS143MI is rated for 50 A and operates on systems up to 690 V AC and 690 V DC.
Where is the CMS143MI typically installed?
It is designed for DIN rail mounting inside industrial control panels, switchboards, machinery and electrical distribution systems.
Trusted by Electrical Professionals Worldwide
Mersen Modulostar® fuse holders are trusted by OEMs, panel builders and industrial engineers worldwide for delivering dependable circuit protection, finger-safe operation and reliable local and remote fuse monitoring.
