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MERSEN FUSE BASE MOD.CMS.14 C/2MIC.+IND 3P CMS143M2I
Mersen CMS143M2I Modulostar three-pole modular fuse holder for 14 x 51 mm cylindrical fuse-links with visual blown fuse indication, two auxiliary microswitches, IP20 protection and DIN rail mounting.
£59.20
Why Choose the Mersen CMS143M2I Modulostar® Fuse Holder?
The Mersen CMS143M2I, item number Y331037, is a premium three-pole modular fuse holder with visual blown fuse indication and dual auxiliary microswitches from the Modulostar® CMS14 series. Designed for industrial low-voltage distribution, machinery and automation systems, it accepts standard 14 × 51 mm cylindrical fuse-links while delivering dependable overcurrent protection for demanding electrical installations.
The CMS143M2I combines three fused poles with an integrated visual blown fuse indicator and two factory-fitted auxiliary microswitches, allowing both local and remote fuse status indication. Its finger-safe IP20 enclosure remains protected during fuse replacement, improving operator safety while reducing maintenance time.
Rated for up to 50 A with 690 V AC and 690 V DC IEC operation, the CMS143M2I is ideal for industrial control panels, OEM machinery, power distribution systems and automation equipment where remote monitoring and rapid fault diagnosis are essential.
Key Advantages
- Three-pole modular fuse holder.
- Compatible with 14 × 51 mm cylindrical fuse-links.
- Integrated visual blown fuse indicator.
- Two factory-fitted auxiliary microswitches for remote monitoring.
- 50 A current rating.
- 690 V AC / 690 V DC IEC operation.
- Finger-safe IP20 protection.
- DIN rail mounting for straightforward installation.
Key Features
- Mersen Modulostar® CMS14 series.
- Catalogue number: CMS143M2I.
- Manufacturer item number: Y331037.
- Three-pole configuration.
- 14 × 51 mm fuse compatibility.
- Visual blown fuse indication.
- Two integrated auxiliary microswitches.
- 50 A conventional thermal current.
- Finger-safe IP20 enclosure.
- DIN rail mounting.
- Suitable for gG, aM and semiconductor fuse-links.
Reliable Protection with Local and Remote Fuse Monitoring
The Modulostar® CMS14 range securely houses cylindrical fuse-links inside finger-safe enclosures while providing dependable overcurrent protection for industrial electrical systems. The CMS143M2I combines visual blown fuse indication with dual auxiliary microswitches, allowing maintenance personnel and control systems to identify fuse operation quickly.
Its modular DIN rail construction makes the CMS143M2I particularly suitable for industrial machinery, automation equipment, switchboards and OEM control panels where remote signalling and rapid fault diagnosis help minimise equipment downtime.
Typical Applications
- Industrial control panels.
- Three-phase power distribution.
- OEM machinery.
- Automation systems.
- Motor control centres.
- Variable speed drives.
- Electrical switchboards.
- Process control equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Visual indicator | |
|---|---|---|
| Phase | Three Phase | |
| Device Type | Fuse base / holder | |
| Fuse Type | Cylindrical | |
| Fuse Size | 14x51 mm | |
| Current | 50 A | |
| Voltage | 690 V | |
| Manufacturer | Mersen | |
| Series | Modulostar® CMS14 | |
| Item number | Y331037 | |
| Catalogue number | CMS143M2I | |
| Product type | Modular cylindrical fuse holder | |
| Configuration | 3-pole | |
| Fuse size | 14 × 51 mm | |
| Rated current | 50 A | |
| Rated voltage AC | 690 V IEC | |
| Rated voltage DC | 690 V IEC | |
| Visual indication | Yes | |
| Remote indication | Two integrated auxiliary microswitches | |
| Protection rating | IP20 | |
| Rated insulation voltage | 690 V | |
| Rated impulse withstand voltage | 8 kV | |
| Short-circuit current rating | 100 kA | |
| Utilisation category | AC-20B / DC-20B | |
| Mounting type | DIN rail | |
| Operating temperature | -25°C to +60°C | |
| Housing material | Tough thermoplastic / thermoset insulating material | |
| Product weight | Approx. 0.43 kg | |
| EAN | 8430399000268 | |
| RoHS compliant | Yes | |
| HS Code | 85361050 | |
| Country of Manufacture | Tunisia |
Frequently Asked Questions
What is the Mersen CMS143M2I used for?
The CMS143M2I is a three-pole modular fuse holder designed to house 14 × 51 mm cylindrical fuse-links for industrial overcurrent protection.
What fuse size does the CMS143M2I accept?
The fuse holder accepts standard 14 × 51 mm cylindrical fuse-links.
Does the CMS143M2I include fuse indication?
Yes. It incorporates both an integrated visual blown fuse indicator and two factory-fitted auxiliary microswitches for remote status indication.
What is the current rating?
The CMS143M2I has a conventional thermal current rating of 50 A when used with correctly rated fuse-links.
How is the CMS143M2I installed?
The unit mounts directly onto a standard DIN rail and is suitable for industrial control panels and switchboards.
Trusted Industrial Circuit Protection
Mersen Modulostar® fuse holders are trusted by panel builders, OEM manufacturers and industrial engineers for dependable circuit protection, integrated monitoring and long-term reliability in demanding electrical applications.
