Description
The Littelfuse JTD050ID is engineered to deliver dependable overcurrent protection in demanding industrial and commercial electrical environments. Its dual-element, current-limiting design intelligently handles temporary motor inrush currents without nuisance tripping, while responding rapidly to sustained overloads and short-circuit faults — keeping your equipment and personnel protected.
What sets this fuse apart is its built-in visual indicating feature. When the fuse opens, the indicator provides an immediate, clear signal — dramatically reducing diagnostic time, accelerating maintenance response, and minimizing costly system downtime. The compact cartridge form factor ensures a secure, reliable fit in standard Class J fuse holders, panelboards, and switchgear.
Key Features
- 50A time-delay (slow-blow) protection handles high inrush without nuisance opening
- Rated for 600V AC / 300V DC — versatile across a wide range of applications
- Class J current-limiting design for superior fault protection
- Dual-element construction provides excellent tolerance to motor and transformer inrush currents
- Built-in blown fuse indicator enables fast visual diagnostics and reduced downtime
- High interrupting rating — up to 200kA AC and 20kA at 300V DC
- Compact cartridge style fits securely in standard Class J fuse holders and switchgear
- Ideal for motor control centers, transformers, and industrial power distribution systems
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