The Marathon/Kulka Power Distribution Block - 3 Pole is a highly durable and efficient component used for electrical power distribution. With a rating of 420A and 600V, it is capable of handling heavy electrical loads with ease. The block features a versatile design, accommodating multiple wire sizes ranging from 600kcmil to #2 AWG, 1/0 to #14 AWG, and #2 to 14 AWG. Made from thermoplastic material, this open style distribution block ensures reliable performance and long-lasting durability.