{"product_id":"allen-bradley-sd833allen-bradley-sd833-power-supply-module","title":"Allen-Bradley SD833Allen-Bradley SD833 Power Supply Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley SD833\u003c\/strong\u003e , also cataloged as the \u003cstrong\u003eSD833\u003c\/strong\u003e Power Supply Module, operates as a dedicated hardware component for regulated DC power distribution and SELV\/PELV bus powering within Allen-Bradley industrial control systems.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eSD833\u003c\/td\u003e\n\u003c\/tr\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e700 g (1.5 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e60 mm x 124 mm x 117 mm (2.36 in x 4.88 in x 4.61 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eUp to 55 deg C maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eRated output power 240 W (Heat dissipation 22\/24 W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePower Supply Units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e100-120 VAC \/ 200-240 VAC (Auto-select input)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Output Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Output Current\u003c\/td\u003e\n\u003ctd\u003e10 A (12 A peak at ambient temp \u0026lt; 45 deg C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnergy Efficiency\u003c\/td\u003e\n\u003ctd\u003e91.0% \/ 91.6%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Regulation\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 70 mV \/ \u0026lt; 100 mV at max current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak Ripple Noise\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 50 mV peak-to-peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Holdup Time\u003c\/td\u003e\n\u003ctd\u003e46 ms (120 VAC) \/ 47 ms (230 VAC) at mains blackout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity \u0026amp; Power Distribution\u003c\/h3\u003e\n\u003cp\u003eThe SD833 power supply converts auto-selected 100-120 VAC or 200-240 VAC primary utility power into a regulated 24 VDC output, delivering up to 240 W of continuous power to drive PLC backplanes, discrete sensor loops, and operator interfaces. High energy efficiency ratings of up to 91.6% limit internal cabinet thermal heat dissipation, preserving system power density scaling and maintaining stable backplane bus communication velocity across connected I\/O chassis. The module maintains full short-circuit protection and secondary voltage holdup execution to protect sensitive control hardware against transient AC line fluctuations.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the SD833 power supply require manual voltage selection for AC input ranges?\u003c\/p\u003e\n\u003cp\u003eA: No, the SD833 incorporates auto-select AC input circuitry that automatically adjusts between 100-120 VAC and 200-240 VAC operating ranges.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maximum output current capacity of the SD833 under low ambient temperatures?\u003c\/p\u003e\n\u003cp\u003eA: While rated for 10 A continuously, the SD833 can deliver up to 12 A of continuous output current in ambient thermal conditions below 45 deg C.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect all primary AC mains power feeds before mounting or wiring the SD833 power supply module inside the enclosure.\u003c\/li\u003e\n\u003cli\u003eSnap the power supply module securely onto a standard 35 mm DIN rail, observing minimum clearance spacing of 15 mm horizontally and 40 mm vertically for natural convection cooling.\u003c\/li\u003e\n\u003cli\u003eWire primary AC mains input lines using copper conductors fused with a recommended 10-20 A external protection fuse.\u003c\/li\u003e\n\u003cli\u003eTerminal connections must be torqued to specified limits, separating 24 VDC output leads from high-noise AC line conductors to limit electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eConnect the earth ground terminal directly to the panel protective earth (PE) bus to ensure surge protection functionality and compliance with SELV\/PELV installation standards.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52625748721944,"sku":"SD833","price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/SD833_2.png?v=1788772982","url":"https:\/\/www.innoplcsync.com\/products\/allen-bradley-sd833allen-bradley-sd833-power-supply-module","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}