{"product_id":"allen-bradley-1746-p3-dc-system-power-supply","title":"Allen-Bradley 1746-P3 SLC 500 DC System Power Supply","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1746-P3 is a dedicated DC system power supply unit engineered for the SLC 500 controller series. This module is specifically designed to accept a 24V DC input, providing a reliable solution for applications where AC power is unavailable or unsuitable, such as remote solar installations, mobile machinery, or facilities utilizing a centralized 24V DC power architecture. It mounts directly into the SLC 500 chassis to deliver regulated backplane power to the processor and connected I\/O modules.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for 24V DC input environments with an operating range of 19.2 to 28.8V DC.\u003c\/li\u003e\n\u003cli\u003eProvides 3.6A at 5V DC and 0.87A at 24V DC to the system backplane.\u003c\/li\u003e\n\u003cli\u003eFeatures 600V AC RMS isolation voltage to enhance resilience against electrical noise.\u003c\/li\u003e\n\u003cli\u003eIncludes a user-replaceable 1746-F3 fuse for internal overcurrent protection.\u003c\/li\u003e\n\u003cli\u003eMaintains system operation through minor power transients with a 5ms hold-up time.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\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\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSLC 500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24V DC (19.2–28.8V DC range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput 1\u003c\/td\u003e\n\u003ctd\u003e3.6A @ 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput 2\u003c\/td\u003e\n\u003ctd\u003e0.87A @ 24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Power\u003c\/td\u003e\n\u003ctd\u003e61 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Inrush Current\u003c\/td\u003e\n\u003ctd\u003e20.0 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.60 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe 1746-P3 must be installed in the far-left slot of the 1746 chassis.\u003c\/li\u003e\n\u003cli\u003eEnsure the chassis power is disconnected before installing or removing the power supply module.\u003c\/li\u003e\n\u003cli\u003eVerify that the input voltage source is within the specified 19.2–28.8V DC range to prevent damage.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate clearance around the module to facilitate natural convection cooling.\u003c\/li\u003e\n\u003cli\u003eUse appropriate wire gauges for the DC input terminals and ensure all connections are securely tightened to prevent voltage drops.\u003c\/li\u003e\n\u003cli\u003eFollow standard ESD precautions when handling the module to protect internal components.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use this power supply with an AC input?\u003c\/strong\u003e\u003cbr\u003eA: No, the 1746-P3 is strictly designed for a 24V DC input. Using an AC source will damage the unit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Where is this module installed in the rack?\u003c\/strong\u003e\u003cbr\u003eA: This power supply is designed to be installed in the far-left slot of the SLC 500 chassis.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Is the fuse replaceable?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 1746-P3 utilizes a 1746-F3 fuse which can be replaced if the module experiences an overcurrent event.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":44692634173528,"sku":"1746-P3","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/wm_1_d790c98c-a6dc-4e14-a596-0d9f906ee434.jpg?v=1788283792","url":"https:\/\/www.industriaxplc.com\/id\/products\/allen-bradley-1746-p3-dc-system-power-supply","provider":"IndustriaX Limited","version":"1.0","type":"link"}