Ilsco PDB-412-500-1 - This UL and CSA dual-rated Power Distribution Block is designed for line conductor ranges of 500-4 and load ranges of 4/0-6. It features 4 ports per pole on the line side and 12 ports per pole on the load side. Made of aluminum with a black cover, it has a voltage rating of 600V and a maximum amperage rating of 1520 Amps for copper conductors. The block includes an internal hex drive for both main and tap connections, and utilizes mechanical connections for secure wiring. Mounting options include 1/4" bolts/studs with 3" hole spacing. Overall dimensions are compact (W), suitable for various applications.