Why Choose the Mersen USFM10I UltraSafe Fuse Module?
The Mersen USFM10I is a compact three-pole UltraSafe™ fuse module with LED indication, designed for dependable overcurrent protection in industrial motor control, machinery and automation systems. It accepts midget cartridge fuses rated up to 30 A, providing an efficient solution for protecting three-phase electrical circuits within control panels.
Part of the Mersen UltraSafe USFM fuse module series, the USFM10I features a compact design suitable for use alongside 45 mm-wide IEC contactors and overload relays. Its integrated LED indication system provides clear visual identification of an open fuse, helping maintenance teams locate electrical faults quickly and reduce equipment downtime.
Rated for 600 V AC and 600 V DC, the USFM10I combines IP20 finger-safe construction, clip-in fuse installation and DIN rail mounting. Additional features including fuse extraction handles, padlocking capability and tool-free DIN rail removal make it suitable for demanding industrial control and motor protection applications.
Key Advantages
- Compact three-pole fuse module for three-phase circuits.
- Accepts midget cartridge fuses rated up to 30 A.
- Integrated LED open-fuse indication simplifies fault identification.
- Rated for systems up to 600 V AC and 600 V DC.
- 100 kA short-circuit current rating for demanding installations.
- IP20 finger-safe construction helps protect operators from live components.
- DIN rail mounting supports quick and convenient panel installation.
- Padlocking capability supports safer maintenance procedures.
Key Features
- Mersen UltraSafe™ USFM series.
- Three-pole midget fuse module.
- 30 A maximum fuse rating.
- 600 V AC / 600 V DC voltage rating.
- Integrated LED fuse status indication.
- 100 kA SCCR.
- Clip-in fuse installation method.
- IP20 finger-safe protection.
- Easy-operating fuse extraction handles.
- DIN rail mounting with tool-free removal.
- Padlock provision for maintenance safety.
- Optional auxiliary contact compatibility within the USFM system.
Compact Motor Control Protection with Visual Fuse Indication
The Mersen USFM10I provides secure mounting and electrical connection for three midget fuses used to protect industrial conductors, contactors, overload relays and connected machinery. Its compact format enables it to coordinate neatly with commonly used IEC motor control components, helping panel builders create organised and space-efficient assemblies.
The integrated LED indication system allows maintenance personnel to identify an open fuse visually without checking each fuse individually. Combined with finger-safe protection, easy-operating fuse extraction handles and tool-free DIN rail removal, the USFM10I supports faster installation, safer servicing and reduced maintenance time.
Typical Applications
- Three-phase motor control circuits.
- Industrial machinery and production equipment.
- OEM control panel assemblies.
- IEC contactor and overload relay combinations.
- Industrial automation systems.
- Pumps, fans and conveyor systems.
- Manufacturing and processing equipment.
- Electrical panels requiring visual fuse status indication.
