EB1578M Pluggable Block. It has a centerline spacing of 5.08mm. The voltage rating is 300 VAC. The current rating is 20 Amps. It accommodates wire sizes from 12-24AWG. It includes up to 24 positions. The torque rating is 4.3 lbs-in max. The contact block is made of Brass, Ni Plated. It features a terminal screw made of Steel, Zinc Plated, "-" Slotted. The housing is constructed from Polyamide, UL 94V-0. Feature: Mountable, Dual Wire Insertion, Single Hook on Back Side.