COOPER BUSSMANN ACK-60 Low Voltage Fuse, 60A, ACK, 130VDC, Paper. More details: Low Voltage Fuse, 60 Fuse Amps, Nonindicating, ACK Series, 130VDC Voltage Rating, Time Delay, Dual Element, Body Material Paper, Nonrejection, Body Style Bolt-On, Length 3 In., Diameter 7/8 In., Standards UL Guide JFHR2, File E56412