{"product_id":"12v-ac-ac-power-adapter-1000ma-wall-transformer-ac-121b","title":"12V AC-AC Power Adapter, 1000mA (1A) Wall Transformer, 2.5mm x 5.5mm Plug, AC12V Linear Power Supply | AC-121B","description":"\u003cp\u003e\u003cstrong\u003ePart AC-121B\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eInput:\u003c\/strong\u003e 120V AC, 60Hz (Standard US Wall Outlet)\u003cbr\u003e\u003cstrong\u003eOutput:\u003c\/strong\u003e 12V AC @ 1000mA (1 Amp, 12VA)\u003cbr\u003e\u003cstrong\u003eConnector:\u003c\/strong\u003e 2.5mm (ID) x 5.5mm (OD) Straight Barrel Plug\u003cbr\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Linear Wall-Mount Transformer\u003cbr\u003e\u003cstrong\u003eReplaces:\u003c\/strong\u003e AC-1285B\u003c\/p\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cp\u003eThis 12VAC transformer with a 2.5mm barrel connector is a direct replacement for equipment that specifically requires the less-common 2.5mm plug — do not confuse with the more common 2.1mm connector. It is commonly used for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlarm \u0026amp; Security Panels:\u003c\/strong\u003e Powering DSC, Napco, and similar alarm control panels that require 12VAC input via a 2.5mm barrel connector.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntercom Systems:\u003c\/strong\u003e Replacement power supply for residential and light commercial intercom units requiring 12VAC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess Control Boards:\u003c\/strong\u003e Low-draw access control panels and keypads requiring 12VAC at 1A or less.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-Voltage Control Equipment:\u003c\/strong\u003e Replacement for OEM 12VAC transformers on commercial and industrial control boards with 2.5mm barrel inputs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Compatibility\u003c\/h3\u003e\n\u003cp\u003eDirect replacement for 12V AC adapters using a 2.5mm x 5.5mm barrel plug. Replaces older part AC-1285B.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Note:\u003c\/strong\u003e This is an AC-AC adapter. It outputs alternating current (~). Please verify your device does not require DC (⎓) before purchasing. Also verify your device uses a 2.5mm inner diameter plug — not the more common 2.1mm.\u003c\/p\u003e","brand":"PHC Enterprise, Inc.","offers":[{"title":"Default Title","offer_id":44409301638,"sku":"AC-121B","price":13.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2082\/0601\/products\/AC-121B_2.jpg?v=1779906317","url":"https:\/\/www.acdcpowershack.com\/products\/12v-ac-ac-power-adapter-1000ma-wall-transformer-ac-121b","provider":"AC-DC PowerShack","version":"1.0","type":"link"}