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MERSEN FUSE BASE MOD. CMS.22 1P+N CMS221N
Mersen CMS221N Modulostar 22 × 58 mm modular fuse holder with 1 pole plus neutral configuration, 125 A rating, 690 V AC/DC operation and IP20 finger-safe protection.
£26.33
Why Choose the Mersen CMS221N Modulostar® Fuse Holder?
The Mersen CMS221N is a premium Modulostar® 22 × 58 mm cylindrical fuse holder designed to provide safe and reliable overcurrent protection for industrial power distribution, machinery and electrical control systems. Featuring a 1-pole plus neutral (1P+N) configuration, it is ideal for applications requiring compact, modular fuse protection with a neutral conductor.
As part of the trusted Mersen Modulostar® CMS22 range, the CMS221N offers a robust thermoplastic construction with IP20 finger-safe protection, including during fuse replacement. Its modular DIN rail mounting design enables quick installation while maintaining excellent accessibility and electrical safety within control panels and switchboards.
Designed for use with standard 22 × 58 mm IEC cylindrical fuse-links, the CMS221N is rated for 125 A and up to 690 V AC/DC, making it suitable for demanding industrial environments where dependable circuit protection is essential.
Key Advantages
- Designed for 22 × 58 mm IEC cylindrical fuse-links.
- 1-pole plus neutral configuration for single-phase installations.
- 125 A current rating for industrial applications.
- 690 V AC/DC operation for demanding electrical systems.
- IP20 finger-safe construction enhances operator safety.
- Compact DIN rail mounting simplifies installation.
- Durable modular design for long service life.
Key Features
- Mersen Modulostar® CMS22 series.
- Model: CMS221N.
- 1 Pole + Neutral (1P+N) configuration.
- Suitable for 22 × 58 mm IEC cylindrical fuse-links.
- 125 A conventional free-air thermal current.
- 690 V AC / 690 V DC rated voltage.
- DIN rail mounting.
- IP20 finger-safe protection.
- High-strength thermoplastic construction.
- Compatible with field assembly kits for multi-pole configurations.
Reliable Protection for Industrial Electrical Systems
The Mersen CMS221N securely accommodates 22 × 58 mm cylindrical fuse-links, providing dependable protection against overloads and short circuits in industrial electrical installations. Its compact modular construction maximises available panel space while maintaining safe access for installation and maintenance.
Suitable for industrial machinery, OEM equipment, switchboards and power distribution systems, the CMS221N delivers long-term reliability and straightforward DIN rail installation for modern electrical control panels.
Typical Applications
- Industrial control panels.
- OEM machinery.
- Power distribution systems.
- Electrical switchboards.
- Motor control equipment.
- Industrial automation systems.
- Commercial electrical installations.
Technical Specifications
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| Fuse Indication | None | |
|---|---|---|
| Phase | Single Phase | |
| Device Type | Fuse base / holder | |
| Fuse Type | Cylindrical | |
| Fuse Size | 22x58 mm | |
| Voltage | 690 V | |
| Manufacturer | Mersen | |
| Series | Modulostar® CMS22 | |
| Model | CMS221N | |
| Item number | H331092 | |
| Product type | Modular cylindrical fuse holder | |
| Fuse size | 22 × 58 mm | |
| Configuration | 1 Pole + Neutral (1P+N) | |
| Current rating | 125 A | |
| Rated voltage AC | 690 V | |
| Rated voltage DC | 690 V | |
| Electrical supply | AC / DC | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Housing material | Thermoplastic / thermoset | |
| Weight | Approximately 0.47 kg | |
| RoHS compliant | Yes | |
| HS Code | 85361090 | |
| Country of Manufacture | Tunisia |
Frequently Asked Questions
What fuse size does the Mersen CMS221N accept?
The CMS221N is designed for standard 22 × 58 mm IEC cylindrical fuse-links.
What does the 1P+N configuration mean?
The fuse holder combines one protected phase with an integrated neutral conductor, making it suitable for single-phase electrical installations requiring a neutral connection.
What is the current rating of the CMS221N?
The CMS221N has a 125 A conventional free-air thermal current rating.
How is the fuse holder installed?
The CMS221N is designed for installation onto a standard DIN rail inside electrical control panels and switchboards.
Is the Mersen CMS221N finger-safe?
Yes. The CMS221N provides IP20 finger-safe protection, including during fuse replacement.
Trusted by Electrical Professionals Worldwide
Mersen Modulostar® fuse holders are trusted by panel builders, OEM manufacturers and electrical engineers for delivering dependable circuit protection, safe installation and reliable long-term performance in industrial electrical systems.
