Fuse 4 A 250V AC Not Rated GMD Series Glass Fuse Time Delay Body Style Cylindrical Nonrejection Interrupt Rating 10kA at 125V AC 200A at 250V AC Fuse Size 20mm L x 5mm dia Length 20 mm Diameter 5 mm Equivalent Brand and Series Bussmann GMD Littelfuse 239 Mersen GSC Equivalent Series 239 GMD GSC Body Material Glass Compatible Fuse Block Series HTB Single Element Standards UL Guide JDYX2 File E19180 PSE/JET File 1641-31003-1001 Package Quantity 5