Applications in Control & Automation require fuse protection facility. elmex offers Terminal Blocks DCF4 with built-in safety fuse levers. These Terminal Blocks accommodate a glass cartridge fuse of 5 mm x 20 mm, 5 mm x 25 mm size. An LED is provided for blown-fuse indication. Standard operating voltages can be selected from the range of D1=24 VDC, D2=48 VDC, D3=110 VDC, D4=220 VDC, D5=12 VDC, A1=110 VAC and A2=240 VAC.