The 500-COB930 NEMA AC/DC contactor is a 500 series contactor that has been designed and manufactured by Allen-Bradley/Rockwell Automation. This contactor has been designed to be easy to wire because it is a “top-wiring” 500 series contactor that hosts all of its wiring connections on its top where they are easy to access, easy to connect, and easy to disconnect when necessary. The Allen-Bradley/Rockwell Automation 500-COB930 NEMA AC/DC 500 series contactor is made to handle industrial motor loads in different Allen-Bradley/Rockwell Automation machines and systems. The NEMA size rating for this 500 series contactor is NEMA Size 2. The Allen-Bradley/Rockwell Automation 500-COB930 NEMA AC/DC 500 series contactor can support coil voltage ratings of 460 Volts to 480 Volts at a maximum frequency of 60 Hertz.

The Allen-Bradley/Rockwell Automation 500-COB930 NEMA AC/DC 500 series contactor is manufactured as open equipment, and this means that it does not come with an enclosure and that it has no built-in protection against liquids, vapors, debris, or dust, although it is designed to be corrosion-resistant. Allen-Bradley recommends installing this contactor in a suitable enclosure to protect it from harmful environmental substances and to ensure that its operating life will be as long as possible. Several NEMA enclosures are available in different sizes with different NEMA-rated levels of protection. Ensure that the enclosure that is selected for the Allen-Bradley/Rockwell Automation 500-COB930 NEMA AC/DC 500 series contactor is the correct size to accommodate the contactor and its wiring while leaving enough space to allow it to dissipate heat, and that its protection rating is strong enough to keep the contactor safe in its given environment.