Class H(K) modular fuse blocks enhance safety for any panel or electrical system design and are available for the full class H(K) fuse amp range. All blocks are available as snap together 1-pole versions for tool less assembly of multiple poles at point of use or as factory configured 2 and 3-pole versions to meet stocking requirements. All blocks are equipped with a fuse clip reinforcing spring to minimize temperature rise while maintaining reliable surface contact between the fuse and clip over the block's service life.