Why Choose the Mersen CMS142M Modulostar Fuse Holder?
The Mersen CMS142M, manufacturer item number A331062, is a robust two-pole modular fuse holder designed for 14 × 51 mm cylindrical fuse links. As part of the Mersen Modulostar® CMS14 series, it incorporates two auxiliary microswitches to provide remote indication of the fuse holder position, making it ideal for industrial automation, machinery and electrical distribution systems.
Rated at 50 A with an operating voltage of up to 690 V AC and 690 V DC, the CMS142M delivers dependable circuit protection while supporting remote monitoring through its integrated microswitches. Its finger-safe construction provides an IP20 protection rating under IEC requirements, including during fuse replacement.
Designed for mounting on a standard 35 mm DIN rail, the CMS142M combines compact dimensions, durable thermoplastic construction and reliable operation for modern industrial control panels. The integrated microswitches allow connection to PLCs, building management systems and machine control equipment for enhanced diagnostics and operational monitoring.
Key Advantages
- Compact two-pole fuse holder for 14 × 51 mm cylindrical fuse links.
- Integrated dual microswitches for remote position indication.
- 50 A current rating for industrial circuit protection.
- Rated for up to 690 V AC and 690 V DC.
- IP20 finger-safe design under IEC standards.
- Quick installation on standard 35 mm DIN rail.
- Suitable for PLC and automation system integration.
- Durable modular construction for industrial environments.
Key Features
- Mersen Modulostar® CMS14 series.
- Catalogue number: CMS142M.
- Manufacturer item number: A331062.
- Two-pole modular fuse holder.
- Compatible with 14 × 51 mm cylindrical fuse links.
- 50 A rated current.
- 690 V AC / 690 V DC rated voltage.
- Two integrated auxiliary microswitches.
- IP20 protection rating.
- DIN rail mounting.
Circuit Protection with Remote Monitoring
The CMS142M combines reliable fuse protection with remote signalling capability. The integrated microswitches enable machine controllers and monitoring systems to detect the operating position of the fuse holder, helping improve maintenance efficiency and supporting automated diagnostics.
Its modular DIN rail design allows easy installation alongside other protection devices while maintaining a compact control panel layout. The rugged thermoplastic construction ensures dependable operation in demanding industrial environments.
Typical Applications
- Industrial control panels.
- Machinery and automation systems.
- Motor control circuits.
- PLC-controlled equipment.
- Electrical switchboards.
- Power distribution systems.
- OEM panel building.
