Why Choose the Mersen CMS223N Modulostar Fuse Holder?
The Mersen CMS223N, manufacturer item number A331108, is a high-performance three-pole plus neutral modular fuse holder designed for 22 × 58 mm cylindrical fuse links. As part of the Mersen Modulostar® CMS22 series, it provides dependable overcurrent protection for industrial power distribution, machinery, motor control and commercial electrical installations.
Rated at up to 125 A with an operating voltage of 690 V AC and 690 V DC, the CMS223N offers reliable protection for three-phase systems with a neutral conductor. Its finger-safe construction provides IP20 protection in accordance with IEC requirements, including during normal fuse replacement.
Designed for installation on a standard 35 mm DIN rail, the CMS223N combines robust thermoplastic construction with a compact modular design, making it ideal for modern control panels, switchboards and OEM equipment where safety, reliability and ease of maintenance are essential.
Key Advantages
- Three-pole plus neutral modular fuse holder for industrial power distribution.
- Compatible with 22 × 58 mm cylindrical fuse links.
- 125 A current rating for demanding industrial applications.
- Rated for up to 690 V AC and 690 V DC.
- IP20 finger-safe construction under IEC standards.
- Quick installation on standard 35 mm DIN rail.
- Supports three-phase systems with a neutral conductor.
- Compatible with optional microswitch and assembly accessories.
Key Features
- Mersen Modulostar® CMS22 series.
- Catalogue number: CMS223N.
- Manufacturer item number: A331108.
- Three-pole plus neutral configuration.
- Compatible with 22 × 58 mm cylindrical fuse links.
- 125 A rated current.
- 690 V AC / 690 V DC rated voltage.
- IP20 protection rating.
- DIN rail mounting.
- RoHS compliant construction.
Reliable Protection for Three-Phase Power Systems
The CMS223N provides secure mounting for 22 × 58 mm cylindrical fuse links, protecting three-phase electrical circuits and the neutral conductor from overloads and short circuits. Its modular design enables straightforward installation and maintenance while helping maximise panel space efficiency.
Manufactured from durable thermoplastic and thermoset materials, the Modulostar® CMS22 range is engineered for demanding industrial environments. Optional field-fit accessories, including microswitches and pole assembly kits, provide additional flexibility for machine builders and panel manufacturers.
Typical Applications
- Industrial control panels.
- Three-phase electrical distribution systems.
- Motor control centres.
- Machinery and automation equipment.
- Power distribution switchboards.
- OEM panel building.
- Commercial and industrial electrical installations.
