{"product_id":"51450991-001-honeywell-switching-power-supply","title":"51450991-001 | Honeywell | Switching Power Supply","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 51450991-001\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51450991-001\u003c\/strong\u003e Switching Power Supply, operates as a dedicated hardware component for direct AC-to-DC regulated power conversion within Honeywell controller hardware backplanes.\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\u003e51450991-001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\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\u003e5.0 kg (Shipping)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Controller Chassis Power Bay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eInput Current 1.4 A Maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e90-264 VAC, 47-63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e5 VDC \/ 24 VDC Dual Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e5 VDC at 6 A Maximum, 24 VDC at 2 A Maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e58 W Total Continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel Isolation \u0026amp; Loop Power Execution\u003c\/h3\u003e\n\u003cp\u003eThe internal power conversion stage incorporates galvanically isolated transformer windings to decouple main AC lines from secondary logic rails. Integrated channel-to-channel isolation prevents line transients from corrupting 5 VDC processor logic and 24 VDC field transmitter loops. Built-in overvoltage and short-circuit protection circuits maintain stable output regulation across the 58 W total continuous load rating, ensuring ripple-free power distribution to adjacent DCS controller and I\/O modules.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the input electrical specifications supported by this power supply unit?\u003c\/p\u003e\n\u003cp\u003eA: The module accepts a wide-range AC input from 90 to 264 VAC at a line frequency of 47 to 63 Hz, drawing a maximum input current of 1.4 A.\u003c\/p\u003e\n\u003cp\u003eQ: How is the 58 W continuous output power allocated across the secondary rails?\u003c\/p\u003e\n\u003cp\u003eA: The power supply delivers a regulated 5 VDC line at up to 6 A for internal processor logic and a regulated 24 VDC line at up to 2 A for field loop and auxiliary power requirements.\u003c\/p\u003e\n\u003cp\u003eQ: Is this power supply unit designed for hot-swapping during active operation?\u003c\/p\u003e\n\u003cp\u003eA: Removal and insertion must follow controller chassis guidelines; line voltage must be isolated or bypassed before removing the module to prevent electrical arcing across primary backplane pins.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the main AC circuit breaker feeding the controller chassis is locked out and de-energized prior to installation.\u003c\/li\u003e\n\u003cli\u003eSlide the 51450991-001 module along the designated power bay card guides until the rear connector seats firmly into the backplane.\u003c\/li\u003e\n\u003cli\u003eTighten faceplate retention screws to secure the physical chassis mount and complete the frame safety ground path.\u003c\/li\u003e\n\u003cli\u003eVerify input AC line wiring compliance and ground continuity before applying power.\u003c\/li\u003e\n\u003cli\u003eMeasure the output voltages at designated test points to confirm stable 5 VDC and 24 VDC levels before energizing downstream controller logic.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53594663026997,"sku":"51450991-001","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/51450991-001_Cocoai.png?v=1789527912","url":"https:\/\/www.5gplc.com\/products\/51450991-001-honeywell-switching-power-supply","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}