Littelfuse LLNRK400 - RK1 Class Fuse 400A@250V (200kA AIC)
Regular price
$136.69
$136.69
Regular price
$309.10
$309.10
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$136.69
$136.69
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Littelfuse LLNRK400 is a low-voltage RK1 class fuse designed for high-current circuit protection in industrial electrical systems. It features a 400A current rating and 250V voltage rating with a 200kA interrupting capacity at rated voltage, housed in a durable single-barrel construction measuring 2.09 inches in diameter. The 2 lb fuse meets RK1 time-delay characteristics for overload protection while complying with industry standards for electrical safety. Typical applications include motor branch circuits, transformer protection, and feeder circuits requiring high fault current interruption.
Key Features & Specifications
Key Features & Specifications
- Type: Low-voltage time-delay fuse (RK1 class)
- Voltage Rating: 250V AC
- Current Rating: 400A
- Dimensions: 2.09" diameter single-barrel design
- Standards: UL/CSA recognized
- Applications: Industrial motor circuits, transformers, feeders
- AIC rating: 200kA@250V
- Class Rating: RK1
- Weight: 2 lb
- UPC: 079458330939
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