The Cooper Bussmann 3743 is a single-pole, 30-amp add-on fuse block rated for 600V AC. It accommodates 13/32" x 1-1/2" fuses and features screw terminals, a molded phenolic base and interlocking construction.
We offer flexible shipping and scheduling options, up-to-date delivery estimates, and free ground shipping on any order over $99 to make sure your order gets to you on-time, for less.
Ordered the wrong product? Item damaged in transit? Our 3-step process makes returning products easy – even up to a year after purchase – with no restocking fees on returns made within 90 days.