{"product_id":"allen-bradley-812s-aob5-phase-reversal-relay-3ph","title":"Allen-Bradley 812S-AOB5 Phase Reversal Relay 3PH","description":"\u003cdiv\u003e\u003cp\u003eAllen-Bradley 812S-AOB5 Phase Reversal Relay is a three-phase protection relay (Series A) with a dedicated relay\/socket configuration, designed for industrial control panels. It monitors a three-phase power distribution and detects phase reversal, providing a clear indication or interlock in 440 V or 480 V systems rated for 50\/60 Hz. The 812S-AOB5 designation identifies the model within the Allen-Bradley 812S phase protection family, and the product is listed as a Phase Reversal Relay 3PH in catalog and distributor listings. This unit is specified for use on common 440\/480 VAC networks and supports both 50 Hz and 60 Hz operation, making it adaptable to regional power standards while safeguarding motors and other three-phase equipment from incorrect phase sequence. Sold as a relay\/socket assembly, the 812S-AOB5 simplifies panel mounting and replacement, with distributors indicating Series A and 3PH operation for straightforward integration into existing three-phase control circuits. Its 440\/480 VAC, 50\/60 Hz rating aligns with common plant electrical systems.\u003c\/p\u003e\u003c\/div\u003e","brand":"Allen-Bradley","offers":[{"title":"New","offer_id":51657438200110,"sku":null,"price":115.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_dd6dd230-5ec0-49fc-91fc-24f7fa188344.jpg?v=1769468971","url":"https:\/\/plgautomation.com\/products\/allen-bradley-812s-aob5-phase-reversal-relay-3ph","provider":"PLG Automation ","version":"1.0","type":"link"}