Why Choose the Mersen X1011974 US223M2I UltraSafe Fuse Holder?
The Mersen X1011974, catalogue number US223M2I, is a premium three-pole modular fuse holder from the renowned UltraSafe™ US22 series. Designed for industrial power distribution, motor protection and semiconductor applications, it accepts 22 × 58 mm cylindrical fuse-links while providing safe, reliable and efficient overcurrent protection in demanding electrical installations.
Featuring a finger-safe IP20 design, this fuse holder incorporates both a visual blown fuse indicator and two integrated microswitches for remote fuse status monitoring. These features enable faster fault detection, reduced maintenance time and improved system uptime across industrial automation and electrical distribution systems.
Rated for up to 125 A, with 800 V AC UL and 1000 V DC UL operation, the X1011974 offers exceptional performance in both AC and DC applications. Its robust pressure plate terminals and DIN rail mounting simplify installation inside switchboards, control panels and OEM machinery.
Key Advantages
- Three-pole UltraSafe™ modular fuse holder.
- Accepts standard 22 × 58 mm cylindrical fuse-links.
- Visual blown fuse indication for rapid diagnostics.
- Two integrated microswitches for remote monitoring.
- Rated up to 125 A.
- Suitable for both high-voltage AC and DC systems.
- Finger-safe IP20 protection.
- Quick DIN rail installation with pressure plate terminals.
Key Features
- Mersen UltraSafe™ US22 series.
- Catalogue number: US223M2I.
- Three-pole fuse holder.
- 22 × 58 mm fuse size.
- 125 A maximum fuse rating.
- 800 V AC UL / 1000 V DC UL.
- 690 V AC / DC IEC rating.
- Visual blown fuse indicator.
- Two integrated microswitches.
- Pressure plate screw terminals.
- DIN rail mounting.
- Durable thermoplastic housing.
Safe Industrial Circuit Protection
The UltraSafe™ US22 range is engineered to protect electrical equipment by securely housing cylindrical fuse-links within a finger-safe enclosure. When combined with correctly rated semiconductor or industrial fuses, the holder provides dependable protection against overloads and short circuits while allowing fast fuse replacement during maintenance.
Integrated visual indication together with two microswitches enables local and remote monitoring of fuse condition, making the X1011974 particularly suitable for automated production lines, critical power systems and industrial process control installations.
Typical Applications
- Industrial control panels.
- Motor drives and variable speed drives.
- Semiconductor protection.
- Power conversion equipment.
- Switchboards and distribution panels.
- UPS systems.
- Renewable energy installations.
- OEM machinery and automation systems.