Fluke 643684 20A,600V,.406X1.500,,FAST
The Fluke 643684 is a replacement fuse designed for use in select Fluke digital multimeters and test equipment. This fuse is rated at 20A and 600V, with physical dimensions of 0.406 inches in diameter and 1.500 inches in length. It is a fast-acting (FAST) fuse, providing rapid response to overcurrent conditions to protect sensitive measurement instruments. The 643684 fuse is manufactured to meet Fluke's stringent safety and reliability standards, ensuring compatibility and optimal performance in supported Fluke devices. Always use genuine Fluke replacement parts to maintain instrument safety and accuracy.