FeaturesFinger safe construction for enhanced electrical safety30, 60 and 100 A ratings help prevent over fusing by rejecting higher fuse amperage ratingsSmallest fuse and holder footprint of any class fuse installation including class J, CC, T and RK35 mm DIN rail or panel mount for flexible installationAll holders dovetail together to easily achieve the required number of polesDual wire rated terminals for wiring ease