The 500-DOD930 Contactor is a NEMA AC contactor and it is a product of Allen-Bradley/Rockwell Automation. It is manufactured as part of the Bulletin 500 Contactors series. These contactors come in different rated NEMA sizes from 0 to 4 and they all have an open-style enclosure. The 500-DOD930 Contactor is compatible with the devices in the Allen-Bradley Bulletin 500F range of feed-through contractors and it is compatible with the Bulletin 509 series of full-voltage starters. Other 500 Contactor devices also come with different enclosure types and NEMA sizes. The 500-DOD930 NEMA AC Contactor features a NEMA size of 3 and it has no protective enclosure. This contactor runs on a nominal voltage coil which is rated at 110 Volts at a frequency of 50 Hertz and rated at 120 Volts at a frequency of 60 Hertz. It features 1 Normally Open (NO) auxiliary contact and 2 power poles. However, this device has no options for surge suppressors for the coils at 120 and 240 Volts, and no NC auxiliary contact.

The Allen-Bradley 500-DOD930 AC Contactor can be ordered as any of its individual components or as a complete modular kit. A complete modular kit comes with a load-side terminal shield, a base contactor, and selectable power poles along with the contactor, and its optional features include different coil voltage options. This NEMA AC Contactor along with other units in the Bulletin 500 Contactors series are approved by and listed for the compliance with the CSA, UL, IEEE, ABS, and CE standards. There are other contactor modules available with NEMA sizes 00, and sizes 5 to 9 that only come as complete factory-assembled units. Other features of these contactor devices include the top wiring kit, a coil voltage rating of 120 Volts AC, and a single NO auxiliary contact.