Allen-Bradley 500-BOB930 is a three-pole NEMA-size-1 motor starter/contactor from the Bulletin 500 family, designed for top-wired, open-type motor loads with a 480V coil. It’s rated for 460–480V line operation at 60 Hz (with 440–480V variants for 50/60 Hz) and carries up to 27 A, supporting up to 10 HP at the higher voltage class. The unit features three power poles and one normally open auxiliary contact, and it is an AC/DC capable contactor suitable for Bulletin 500 motor-control applications in a NEMA 1 enclosure, with a maximum system voltage of 600V.
