Description
The Mersen US6J2I UltraSafe™ 2-Pole Class J Fuse Holder with LED visual blown-fuse indication provides high-performance, touch-safe protection for Class J fuses in heavy-duty industrial power distribution. Engineered for maximum safety and rapid fault diagnostics, this robust module is rated for applications up to 600 VAC / 600 VDC and 60 Amperes with an exceptional 200 kA short-circuit current rating (SCCR).
Built with finger-safe protection under IEC standards, the US6J2I features a secure lockout/tagout provision in the open position to ensure complete operator safety during routine maintenance and fuse changes. The integrated LED indicator gives immediate visual feedback when a fuse opens, significantly reducing downtime during troubleshooting. Housed in tough, durable polyamide casing with exceptional thermal and insulating properties, this unit snaps easily onto standard 35mm DIN rail and features a unique latch design to facilitate positioning. Equipped with heavy-duty pressure plate terminals that accept #2 to #14 AWG wire, the Mersen US6J2I is ideal for demanding industrial control circuits, motor protection, and main power disconnects.
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 J fuses (such as Mersen AJT, A4J, and HSJ series).
- Finger-Safe Design & Lockout Provision: Engineered for touch-safe operation with built-in provisions for locking in the open position during equipment servicing.
- 600V AC/DC Rating: Rated for heavy-duty industrial applications up to 600 VAC and 600 VDC at 60 Amperes.
- DIN Rail Mount with Position Latch: Snaps securely onto standard 35mm DIN rails utilizing a unique latch that stays open for easy positioning.
- Robust Wiring Terminals: Pressure plate terminals accommodate #2 to #14 AWG wire with a 5.084 N·m torque rating.
- Durable Polyamide Housing: Molded from high-grade polyamide for exceptional thermal stability, durability, and impact resistance.
Specifications
| Technical Specification | Detail |
|---|---|
| Product Model | US6J2I |
| Brand | Mersen (UltraSafe™ US6J Series) |
| Product Type | Modular Finger-Safe Class J Fuse Holder with LED Indicator |
| Amperage Rating | 60 A |
| Voltage Rating | 600 VAC / 600 VDC |
| Poles / Phase | 2-Pole (Two-Pole) |
| Fuse Class / Size | Class J (Recommended: AJT, A4J, HSJ) |
| Visual Indication | Built-in Blown-Fuse LED Indicator |
| Short Circuit Current Rating (SCCR) | 200 kA |
| Wiring / Termination | Pressure Plate Terminals |
| Terminal Conductor Range | #2 to #14 AWG |
| Terminal Screw Torque | 5.084 N·m (45 in-lbs) |
| Housing Material | Polyamide |
| Mounting Type | 35mm DIN Rail |
| Frequency | 50/60 Hz |
| Standards & Certifications | UL Listed, RoHS Compliant, IEC Finger-Safe |
| Primary Applications | Industrial control panels, heavy-duty motor protection, main disconnects, power distribution |
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