Allen-Bradley 100-A18ND3 is a three‑pole, non‑reversing Bulletin 100 motor‑contactor designed to switch three‑phase loads with an 18 A rating, using a 110–120 V AC coil and a maximum of 600 V AC across the contacts. This compact IEC‑style contactor includes one normally open auxiliary contact and is commonly used in motor‑control applications connected to Bulletin 100 systems, with horsepower ratings of 5 HP at 200 V, 5 HP at 230 V, 10 HP at 460 V, and 15 HP at 575 V. The model is part of the Bulletin 100 family (Series C) and is suitable for general‑purpose control of three‑phase motors in industrial equipment.
