Why Choose the Mersen CMS223I Modulostar Fuse Holder?
The Mersen CMS223I, manufacturer item number L331095, is a robust three-pole modular fuse holder designed for 22 × 58 mm cylindrical fuse links. Part of the established Mersen Modulostar® CMS22 series, it provides dependable overcurrent protection for three-phase industrial circuits, electrical distribution systems and machinery.
This model features an integrated visual blown-fuse indicator, helping maintenance personnel identify an operated fuse link quickly. Clear local indication can reduce fault-finding time and support efficient maintenance in control panels, switchboards and industrial equipment.
Rated at 125 A and suitable for systems up to 690 V AC or 690 V DC, the CMS223I combines high current capacity with a compact DIN rail mounted format. Its modular enclosure provides IP20 finger-safe protection, including during fuse replacement, helping improve safety during installation and servicing.
Key Advantages
- Three-pole modular fuse holder for three-phase electrical systems.
- Designed for standard 22 × 58 mm cylindrical fuse links.
- 125 A rated current for demanding industrial applications.
- Suitable for systems up to 690 V AC and 690 V DC.
- Integrated visual blown-fuse indicator supports rapid fault identification.
- IP20 finger-safe construction, including during fuse replacement.
- DIN rail mounting simplifies installation inside electrical panels.
- Modular design supports organised and space-efficient panel layouts.
Key Features
- Mersen Modulostar® CMS22 series.
- Catalogue reference: CMS223I.
- Manufacturer item number: L331095.
- Three-pole fuse holder configuration.
- Accepts 22 × 58 mm IEC cylindrical fuse links.
- 125 A ampere rating.
- 690 V AC / 690 V DC IEC voltage rating.
- Integrated visual fuse status indicator.
- IP20 finger-safe modular enclosure.
- DIN rail mounted design.
- Suitable for AC and DC circuit protection.
- RoHS-compliant construction.
Reliable Three-Phase Circuit Protection
The Mersen CMS223I provides a secure and accessible method of installing three 22 × 58 mm cylindrical fuse links within a single modular assembly. When fitted with correctly selected fuse links, it supports dependable protection against overload and short-circuit conditions across three-phase industrial circuits.
The integrated visual indication allows engineers to locate an operated fuse link without extensive testing, helping improve maintenance efficiency and minimise equipment downtime. Its finger-safe enclosure and DIN rail mounting make the CMS223I suitable for new control-panel builds, system upgrades and replacement installations.
Typical Applications
- Three-phase industrial control panels.
- Electrical switchboards and distribution boards.
- Motor and transformer protection circuits.
- Industrial machinery and production equipment.
- Power conversion and automation systems.
- OEM electrical assemblies.
- Commercial and industrial power distribution.
