{"product_id":"allen-bradley-1746-p4-slc-500-power-supply-module","title":"Allen-Bradley 1746-P4 SLC 500 Power Supply Module","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1746-P4\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom Allen-Bradley is a rack-mounted AC power supply designed for the SLC 500 controller platform. It provides regulated backplane power for processor, I\/O, and communication modules within the SLC chassis, supporting stable system operation under industrial load conditions.\u003c\/p\u003e\n\u003cp\u003eThis unit accepts wide-range AC input and converts it into controlled DC outputs required by SLC 500 system components. It is engineered for continuous-duty performance in demanding environments and is certified for Class I Division 2 hazardous locations, making it suitable for installations where safety compliance is required.\u003c\/p\u003e\n\u003cp\u003eThe power supply integrates internal protection features and supports both 120V and 240V AC systems, allowing flexible deployment across global industrial power infrastructures.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eWide-range AC input compatibility (120\/240 VAC systems)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStable backplane power distribution for SLC 500 racks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated protection against overcurrent and inrush conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports hazardous environment installations (Class I Div 2)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRack-mounted configuration for modular PLC systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInternal fuse protection design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh inrush tolerance for industrial startup conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReliable long-term operation in continuous-duty applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Family\u003c\/td\u003e\n\u003ctd\u003eSLC 500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1746-P4\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eRack Power Supply Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e85–132 VAC \/ 170–265 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Frequency\u003c\/td\u003e\n\u003ctd\u003e47–63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Power\u003c\/td\u003e\n\u003ctd\u003e190 VA @ 120 VAC \/ 230 VA @ 240 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Capacity\u003c\/td\u003e\n\u003ctd\u003e10 A @ 5 VDC \/ 2.88 A @ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Inrush Current\u003c\/td\u003e\n\u003ctd\u003e45 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Power Output\u003c\/td\u003e\n\u003ctd\u003eApprox. 70 W total system power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Type\u003c\/td\u003e\n\u003ctd\u003eNon-replaceable internal fuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Support\u003c\/td\u003e\n\u003ctd\u003eUp to 2 × #14 AWG per terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHazardous Location Rating\u003c\/td\u003e\n\u003ctd\u003eClass I Division 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eRack Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to 85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.45 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eSystem Integration Notes\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1746-P4\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed to supply regulated power directly to the SLC 500 backplane, ensuring stable operation of processors and I\/O modules. It supports dual-voltage AC input systems, making it suitable for installations in both North American and international industrial environments.\u003c\/p\u003e\n\u003cp\u003eProper grounding, ventilation, and enclosure protection are required for safe operation, especially in hazardous classified areas.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eApplication Areas\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTypical applications include:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSLC 500 PLC control systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOil and gas control panels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChemical processing facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWater treatment systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eManufacturing automation lines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDistributed control cabinet installations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial machinery power distribution\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eCan the 1746-P4 operate on both 120V and 240V AC?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes. It supports dual-range AC input, allowing operation on either 120 VAC or 240 VAC systems.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eIs this power supply suitable for hazardous environments?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes. It is rated for Class I Division 2 hazardous locations.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDoes the module include internal protection?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes. It includes built-in fuse and protection circuits for overcurrent and inrush conditions.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat system is this power supply compatible with?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIt is designed specifically for the Allen-Bradley SLC 500 rack system.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43374488780890,"sku":"1746-P4","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1746-P42.jpg?v=1778746152","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1746-p4-slc-500-power-supply-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}