Why Choose the Mersen CMS141I Modulostar Fuse Holder?
The Mersen CMS141I, manufacturer item number L331049, is a compact single-pole modular fuse holder designed for 14 × 51 mm cylindrical fuse links. Part of the established Mersen Modulostar® CMS14 series, it provides dependable overcurrent protection for industrial control panels, electrical distribution equipment and machinery.
This model incorporates an integrated visual blown-fuse indicator, helping maintenance personnel identify an operated fuse link quickly. Faster fault identification can reduce troubleshooting time and support efficient maintenance in industrial and commercial electrical installations.
Rated at 50 A and suitable for systems up to 690 V AC or 690 V DC, the CMS141I combines reliable electrical performance with a compact DIN rail mounted design. Its durable modular enclosure provides IP20 finger-safe protection, including during fuse replacement, helping improve safety during installation and servicing.
Key Advantages
- Compact single-pole modular fuse holder.
- Designed for standard 14 × 51 mm cylindrical fuse links.
- Suitable for fuse ratings up to 50 A.
- Rated for systems up to 690 V AC and 690 V DC.
- Integrated visual blown-fuse indicator supports rapid fault identification.
- IP20 finger-safe protection, including during fuse replacement.
- DIN rail mounting simplifies control panel installation.
- High 100 kA short-circuit current rating.
Key Features
- Mersen Modulostar® CMS14 series.
- Catalogue reference: CMS141I.
- Manufacturer item number: L331049.
- Single-pole configuration.
- Suitable for 14 × 51 mm IEC cylindrical fuse links.
- 50 A rated current.
- 690 V AC / 690 V DC rated voltage.
- Integrated visual fuse status indicator.
- IP20 finger-safe modular enclosure.
- DIN rail mounted design.
- Rated impulse withstand voltage of 8 kV.
- Suitable for both AC and DC circuit protection.
Reliable Fuse Protection with Visual Indication
The Mersen CMS141I provides a secure and accessible method of installing a 14 × 51 mm cylindrical fuse link within an electrical control panel or distribution assembly. When fitted with a correctly selected fuse link, it supports effective protection against overload and short-circuit conditions.
The integrated visual indicator allows engineers to identify an operated fuse without lengthy testing, helping improve maintenance efficiency. Its finger-safe construction and straightforward DIN rail mounting make the CMS141I suitable for both new panel builds and replacement applications.
Typical Applications
- Industrial control panels.
- Electrical switchboards.
- Motor and transformer protection circuits.
- Machinery control systems.
- Low-voltage power distribution.
- OEM automation equipment.
- Commercial and industrial electrical installations.
