Allen-Bradley 40023-080-51 Single Pole Fuse Holder Block

Allen-Bradley 40023-080-51 is a single-pole fuse holder block rated for 600 A at 600 V, designed to hold a single protective fuse in an electrical circuit. This compact block provides a dedicated fuse interface that simplifies fuse replacement and circuit protection. The component is associated with the cross-reference 1491-R621, which may appear in related documentation or catalogs for identification purposes. As a part of Allen-Bradley’s line of protection devices, this fuse holder block is intended to integrate with systems that require a single fused path and reliable, rugged construction typical of industrial electrical hardware. The 600 A, 600 V ratings indicate compatibility with high-current, medium-voltage protection schemes where a single fuse protects a branch or feed. The part number 40023-080-51 uniquely identifies this configuration in the Allen-Bradley catalog, aiding ordering and cross-compatibility for users updating or repairing control panels and power distribution assemblies.