Description
The Mersen USCC3I UltraSafe™ 3-Pole Class CC Fuse Holder with LED visual blown-fuse indication provides high-performance, touch-safe protection for Class CC fuses in industrial control circuits. Engineered for maximum safety and rapid fault diagnostics, this compact module is rated for applications up to 600 VAC / 600 VDC and 30 Amperes with an exceptional 200 kA short-circuit current rating (SCCR).
Built with IP20 finger-safe protection under IEC and DIN standards, the USCC3I ensures complete operator safety during routine maintenance and fuse changes without exposing live components. The integrated LED indicator gives immediate visual feedback when a fuse opens, significantly reducing downtime during troubleshooting. Housed in a tough, insulating glass-filled polycarbonate casing, this unit saves up to 15% panel mounting space compared to traditional fuse blocks and snaps easily onto standard 35mm DIN rail. Equipped with heavy-duty pressure plate terminals that accept Cu #6 to #14 AWG solid or stranded wire, the Mersen USCC3I is ideal for critical motor branch circuits and power distribution panels requiring Type “2” No Damage protection.
Key Features
- Visual Blown-Fuse LED Indicator: Built-in LED indication system provides immediate visual identification of open fuses to streamline maintenance and system troubleshooting.
- High 200 kA SCCR: Delivers superior short-circuit current protection up to 200 kA when paired with Class CC fuses.
- Finger-Safe IP20 Design: Fully compliant with IEC and DIN standards to prevent accidental contact with live components during operation and fuse replacement.
- 600V AC/DC Rating: Rated for heavy-duty industrial applications up to 600 VAC and 600 VDC at 30 Amperes.
- Space-Saving DIN Rail Mount: Compact 3-pole footprint saves up to 15% panel space and snaps quickly onto standard 35mm DIN rails.
- Robust Wiring Terminals: Pressure plate terminals accommodate Cu #6 to #14 AWG solid or stranded wire with a 1.695 N·m torque rating.
- Durable Glass-Filled Polycarbonate Housing: Molded from high-grade glass-filled polycarbonate for exceptional thermal stability and mechanical strength.
Specifications
| Technical Specification | Detail |
|---|---|
| Product Model | USCC3I |
| Brand | Mersen (UltraSafe™ USCC Series) |
| Product Type | Modular IP20 Finger-Safe Class CC Fuse Holder with LED Indicator |
| Amperage Rating | 30 A |
| Voltage Rating | 600 VAC / 600 VDC |
| Poles / Phase | 3-Pole (Three-Pole) |
| Fuse Class / Size | Class CC |
| Visual Indication | Built-in Blown-Fuse LED Indicator |
| Short Circuit Current Rating (SCCR) | 200 kA |
| IP Rating | IP20 (Finger-Safe) |
| Wiring / Termination | Pressure Plate Terminals |
| Terminal Conductor Range | Cu #6 to #14 AWG (Solid or Stranded) |
| Terminal Screw Torque | 1.695 N·m (15 in-lbs) |
| Housing Material | Glass Filled Polycarbonate |
| Mounting Type | 35mm DIN Rail |
| Frequency | 50/60 Hz |
| Standards & Certifications | UL Listed, RoHS Compliant, IEC/DIN IP20 Rated |
| Primary Applications | Industrial control panels, motor branch protection, type “2” protection systems, power distribution |
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