The particular feature of the fuse terminal blocks, UK5-HESI and UK6-HESI is the hinged disconnect lever with limit stop for fine fuses. These terminal blocks are with and without light indicator. The latter signals when the fuse insert has blown. Several disconnect levers can be coupled by means of the connection pin VS (call sales) in order to switch a three phase circuit on and off. Note: 250 and 24 designations in part number relates to supply voltage for LED indicator. Features: Hinged Disconnect Lever Blown Fuse Indicator Specifications Fuse Size: UK5