Operating voltage:DC 12-32V 20A/30A/40A/50A/60A Used In Fuse Panels And Wiring Harnesses Of Newer Cars And Trucks Packing List: 4×20 Amp (2pcs short,2pcs long) 4×30 Amp (2pcs short,2pcs long) 4×40 Amp (2pcs short,2pcs long) 4×50 Amp (2pcs short,2pcs long) 4×60 Amp (2pcs short,2pcs long) Brand Unbranded MPN Does Not Apply UPC Does Not Apply Feature ESCP Manufacturer Part Number Does not apply Operating voltage DC 12-32V Features Easy Installation, No Drilling Required Part Number Universal Type Square Fuse Assortment Country of Origin China .