The Allen-Bradley 500-DOH930 contactor is a NEMA AC contactor with an open type enclosure as well as a top-wiring feature. It is manufactured as part of the Bulletin 500 Contactors series, and it features a selectable number of power poles as well as coil voltages, a base contactor, a load side terminal shield, and a top wiring kit. The 500 Contactors are available in different NEMA sizes ranging from 0 to 4 as either individual components or complete kits, but there are also NEMA sizes 00, and sizes 5 to 9 which are only available as factory-assembled products. The Allen-Bradley 500-DOH930 NEMA AC contactor is a size 3 contactor with a continuous current rating of 90 Amps. The nominal coil voltage of this contactor ranges from 200 to 208 Volts at a frequency of 60 Hertz. It has 3 power poles with 1 normally open auxiliary contact.

The Allen-Bradley 500-DOH930 NEMA AC Contactor has all the power connections at the top, which makes it as easy as possible to use. This contactor and the other contactors with NEMA sizes from 0 to 4 allow for field wiring for both single-phase and 3-phase applications. These units can be ordered either as separate components that the users assemble or as a complete modular kit for quicker delivery and immediate installation. The Allen-Bradley 500-DOH930 NEMA AC Contactor’s top wired connectors work with a coil voltage that is rated at 120 Volts and it works with one normally open auxiliary contact. It also comes with features like the standard load side terminal shield for protection during operation. It is certified and listed for compliance with all the NEMA requirements as well as with the CSA, IEEE, UL, and CE standards.