{"product_id":"24v-dc-redundant-power-bundle-1756-pbr2-allen-bradley","title":"24V DC Redundant Power Bundle 1756-PBR2 Allen Bradley","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1756-PBR2 is a ControlLogix redundant power supply assembly for 24 V DC applications. The bundle includes two 1756-PB75R power supplies, two 1756-CPR2 redundant power cables, and one 1756-PSCA2 chassis adapter, providing complete power redundancy for ControlLogix chassis.\u003c\/p\u003e\n\u003ch3\u003eKey Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput voltage:\u003c\/strong\u003e 19.2-32 V DC (nominal 24 V DC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput current:\u003c\/strong\u003e 13 A @ 5.1 V DC per supply, 10 A @ 3.3 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput power:\u003c\/strong\u003e 75 W max per supply\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBundle contents:\u003c\/strong\u003e 2x 1756-PB75R, 2x 1756-CPR2 cables, 1x 1756-PSCA2 adapter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRedundant configuration:\u003c\/strong\u003e Yes, dual supplies with automatic failover\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible chassis:\u003c\/strong\u003e 1756-A4\/B, A7\/B, A10\/B, A13\/B, A17\/B\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete bundle eliminates the need to source individual components\u003c\/li\u003e\n\u003cli\u003eDual 13 A supplies share the load with seamless failover on supply failure\u003c\/li\u003e\n\u003cli\u003eAnnunciator contacts provide remote status monitoring of each supply\u003c\/li\u003e\n\u003cli\u003e75 W output capacity supports fully loaded 17-slot chassis\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is included in the 1756-PBR2?\u003c\/strong\u003e Two 1756-PB75R power supplies, two 1756-CPR2 redundant cables, and one 1756-PSCA2 chassis adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan I mix AC and DC supplies in redundancy?\u003c\/strong\u003e No, both supplies must be the same catalog number and input voltage type.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs the 1756-PSCA2 required?\u003c\/strong\u003e Yes, the adapter connects the redundant supplies to the single power connector on standard ControlLogix chassis.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMounting Steps\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the two 1756-PB75R supplies in the leftmost power supply positions of the chassis.\u003c\/li\u003e\n\u003cli\u003eInstall the 1756-PSCA2 chassis adapter between the supplies and the chassis.\u003c\/li\u003e\n\u003cli\u003eConnect the 1756-CPR2 cables from each supply to the adapter.\u003c\/li\u003e\n\u003cli\u003eWire the annunciator contacts for remote status indication if required.\u003c\/li\u003e\n\u003cli\u003eApply 24 V DC input power and verify both supplies indicate normal operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eBuying Advice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSelect 1756-PBR2 for complete DC power redundancy in a single part number.\u003c\/li\u003e\n\u003cli\u003eFor AC input redundancy, choose the 1756-PAR2 bundle instead.\u003c\/li\u003e\n\u003cli\u003eFor extended temperature applications, specify the 1756-PBR2XT variant.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":50207633145994,"sku":"1756-PBR2","price":184.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0698\/2818\/2154\/files\/1756-PBR2_2_7fbfcac2-5a67-4458-afd7-1c787c4cc49c.jpg?v=1789545166","url":"https:\/\/www.cambiaplc.com\/products\/24v-dc-redundant-power-bundle-1756-pbr2-allen-bradley","provider":"Controlix Automation","version":"1.0","type":"link"}