Cooper Bussmann 40A Green Female Maxi Fuse. This fuse offers high amp protection in a compact package, making it ideal for smaller components. With dimensions of 0.38"L x 2.75"W x 3.00"H, it has a voltage rating of 12/32 VDC, a current rating of 40 A, and an interrupt rating of 1 kA. It features a single element and is constructed from durable plastic.