Why Choose the Mersen CMS142 Modulostar® Fuse Holder?
The Mersen CMS142, manufacturer reference R331031, is a dependable two-pole modular fuse holder designed for 14 × 51 mm cylindrical fuse links. As part of the trusted Mersen Modulostar® CMS14 series, it provides reliable overcurrent protection and safe circuit isolation for industrial control panels, switchboards and electrical distribution systems.
Designed with operator safety in mind, the CMS142 features a finger-safe IP20 enclosure, including during fuse replacement. Its durable thermoplastic construction, robust terminal design and DIN rail mounting make it ideal for OEM machinery, automation equipment and industrial electrical installations.
Rated at 50 A and suitable for systems up to 690 V AC or 690 V DC, the CMS142 delivers dependable protection for motors, transformers, drives and general low-voltage power distribution. Its compact two-pole configuration allows efficient use of panel space while maintaining excellent accessibility for installation and maintenance.
Key Advantages
- Reliable two-pole modular fuse holder.
- Designed for 14 × 51 mm cylindrical fuse links.
- 50 A thermal current rating.
- Suitable for 690 V AC and 690 V DC IEC systems.
- Finger-safe IP20 protection, including during fuse replacement.
- 100 kA short-circuit current rating when used with suitable fuse links.
- DIN rail mounting for quick installation.
- Compact modular design for industrial control panels.
Key Features
- Mersen Modulostar® CMS14 series.
- Two-pole configuration.
- Compatible with 14 × 51 mm cylindrical fuse links.
- 50 A rated current.
- 690 V AC / 690 V DC IEC ratings.
- Finger-safe IP20 enclosure.
- High-strength thermoplastic construction.
- DIN rail mounting to EN 60715.
- Standard version without visual fuse indication.
- Suitable for industrial AC and DC applications.
Reliable Two-Pole Protection for Industrial Electrical Systems
The Mersen CMS142 securely houses two 14 × 51 mm cylindrical fuse links, providing dependable protection against overloads and short circuits when used with correctly selected fuse links. Its compact modular design enables efficient installation in industrial switchboards, machinery and automation equipment.
Its finger-safe construction enhances operator safety during maintenance, while the DIN rail mounting system allows rapid installation and replacement. The CMS142 is a dependable solution for electrical engineers and panel builders requiring reliable low-voltage circuit protection.
Typical Applications
- Industrial control panels.
- Motor protection circuits.
- Transformer protection.
- Power distribution systems.
- Variable speed drive protection.
- OEM machinery.
- Automation equipment.
- Electrical switchboards.
