Why Choose the Mersen CMS222 Modulostar® Fuse Holder?
The Mersen CMS222, manufacturer reference Q331122, is a durable two-pole modular fuse holder designed for 22 × 58 mm cylindrical fuse links. Part of the established Mersen Modulostar® CMS22 range, it provides dependable fuse protection and circuit isolation for industrial machinery, electrical distribution systems and control-panel applications.
The CMS222 features a finger-safe IP20 construction, including during fuse replacement when correctly installed and operated. This helps reduce the risk of accidental contact with live components while supporting safer inspection, isolation and maintenance procedures in demanding industrial environments.
Rated at 125 A and suitable for electrical systems up to 690 V AC or 690 V DC, the CMS222 provides robust protection for motors, transformers, industrial drives and power distribution equipment. Its compact DIN rail mounting format allows straightforward integration into modular electrical panels and switchboards.
Key Advantages
- Reliable two-pole modular fuse holder for industrial applications.
- Designed for standard 22 × 58 mm cylindrical fuse links.
- 125 A current rating for demanding circuit-protection requirements.
- Suitable for systems up to 690 V AC or 690 V DC.
- Finger-safe IP20 protection, including during fuse replacement.
- 100 kA short-circuit current rating when used with suitable fuse links.
- DIN rail mounting supports fast and efficient panel installation.
- Durable construction provides dependable long-term performance.
Key Features
- Mersen Modulostar® CMS22 series.
- Two-pole configuration.
- Compatible with 22 × 58 mm cylindrical fuse links.
- 125 A ampere rating.
- 690 V AC IEC rated voltage.
- 690 V DC IEC rated voltage.
- 100 kA short-circuit current rating.
- Finger-safe IP20 modular construction.
- Standard version without an integrated blown-fuse indicator.
- DIN rail mounting in accordance with EN 60715.
Reliable Two-Pole Protection for Industrial Electrical Systems
The Mersen CMS222 securely accommodates two cylindrical fuse links, providing effective protection against overload and short-circuit conditions when fitted with correctly selected fuses. Its two-pole configuration allows two conductors to be protected and isolated within one coordinated modular assembly.
The robust housing, high current capacity and finger-safe design make the CMS222 particularly suitable for industrial installations where electrical safety, equipment availability and convenient maintenance are important. Its DIN rail mounting system also simplifies installation within new or existing electrical enclosures.
Typical Applications
- Industrial control panels.
- Motor control centres.
- Transformer protection.
- Variable speed drive circuits.
- Power distribution switchboards.
- OEM machinery and production equipment.
- Automation and process-control systems.
- Industrial AC and DC electrical installations.
