Fuse 4 A 250V AC Not Rated S501 Series Nonindicating Fast Acting Body Style Cylindrical Nonrejection Interrupt Rating 1.5kA at 250V AC Fuse Size 20mm L x 5mm dia Length 20 mm Diameter 5 mm Equivalent Brand and Series Bussmann GDA Bussmann S501 Littelfuse 216 Mersen GSD Equivalent Series 216 GDA GSD S501 Body Material Ceramic Compatible Fuse Block Series HTB Single Element Standards CE CSA Certification UL Guide JDYX2 Package Quantity 5