The Allen-Bradley 500-DOA920 NEMA AC Contactor is a product of Allen-Bradley/Rockwell Automation manufactured as part of the Bulletin 500 series of NEMA AC contactors. This unit comes with a base contactor with a NEMA size of 3 and it has a continuous current rating of 90 Amps. It has an open enclosure type with a nominal voltage of 220 Volts at a frequency of 50 Hertz and a nominal voltage of 240 Volts at a frequency of 60 Hertz. The 500-DOA920 Contactor comes with 2 power poles and one Normally Open (NO) auxiliary contact. Other specifications of this contactor include compliance with the NEMA/EEMAC ICS 2, IEEE, CE, UL and CSA standards; and it is also certified by the CSA and UL standards. This unit is available as its individual components or as a complete modular kit for different types of applications. A complete contactor comes with a base contactor, a load-side terminal shield, a top wiring kit, and selectable coil voltage along with a selectable number of power poles and other options.

The Allen-Bradley 500-DOA920 NEMA 500 AC Contactor has all its power connections positioned at the top side of the contactor for easy and convenient wiring processes. This contactor supports field wiring for both single phase and 3-phase applications. It comes in a series of contactors that have different NEMA sizes ranging from 0 to 4. When the users are deciding whether to choose the Allen-Bradley 500-DOA920 NEMA AC Contactor or another Allen-Bradley NEMA 500 AC or DC contactor, they can purchase nearly all of the contactors as either a complete kit or individual components. Additionally, all of the contactors are top-wired and come with a coil voltage rating of 120 Volts AC, 1 NO auxiliary contact, and a standard load-side terminal shield.