{"product_id":"24v-dc-power-supply-1756-pb72k-allen-bradley","title":"24V DC Power Supply 1756-PB72K Allen Bradley","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1756-PB72K is a conformal-coated 24 V DC input power supply for ControlLogix chassis. It delivers 10 A at 5 V DC and 4 A at 3.3 V DC to the backplane, providing reliable power for standard and conformal-coated ControlLogix systems.\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 10 A @ 5 V DC, 4 A @ 3.3 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput power:\u003c\/strong\u003e 75 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency rating:\u003c\/strong\u003e 47-63 Hz (for AC variants)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRedundant configuration:\u003c\/strong\u003e Not supported (use 1756-PB75R for redundancy)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConformal coating:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose This\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConformal coating protects against corrosive industrial atmospheres\u003c\/li\u003e\n\u003cli\u003e10 A backplane capacity supports fully loaded chassis configurations\u003c\/li\u003e\n\u003cli\u003e24 V DC input suits standard industrial control voltage systems\u003c\/li\u003e\n\u003cli\u003eDirect chassis mounting with keyed insertion\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the difference between PB72K and PB72?\u003c\/strong\u003e The PB72K features conformal coating for harsh environments; the PB72 is the standard version.\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan it be used in redundant power configurations?\u003c\/strong\u003e No, use the 1756-PB75R with the 1756-PSCA2 chassis adapter for redundant power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhich chassis are compatible?\u003c\/strong\u003e All standard and conformal-coated 1756-A4, A7, A10, A13, and A17 chassis.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMounting Steps\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePower down the chassis completely.\u003c\/li\u003e\n\u003cli\u003eAlign the supply with the leftmost power supply slot.\u003c\/li\u003e\n\u003cli\u003eSlide into position until the locking mechanism engages.\u003c\/li\u003e\n\u003cli\u003eConnect 24 V DC input power to the terminals.\u003c\/li\u003e\n\u003cli\u003eVerify the status LED indicates normal operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eBuying Advice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSelect 1756-PB72K for corrosive environments requiring 24 V DC input power.\u003c\/li\u003e\n\u003cli\u003eFor AC input applications, choose the 1756-PA72K.\u003c\/li\u003e\n\u003cli\u003eCalculate total backplane load: 10 A at 5 V DC supports up to 17 fully loaded slots.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50194812502154,"sku":"1756-PB72K","price":176.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0698\/2818\/2154\/files\/1756-PB72K_ec03c36f-a268-4c4d-9e03-45a1ca83db7c.jpg?v=1789375112","url":"https:\/\/www.cambiaplc.com\/products\/24v-dc-power-supply-1756-pb72k-allen-bradley","provider":"Controlix Automation","version":"1.0","type":"link"}