{"product_id":"power-supply-module-honeywell-51450991-001","title":"Power Supply Module | Honeywell 51450991-001","description":"\u003ch2\u003eHoneywell 900P01-0001 HC900 Power Supply\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 900P01-0001\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51450991-001\u003c\/strong\u003e Switching Power Supply, operates as a dedicated hardware component for continuous DC voltage distribution within Honeywell HC900 automation platforms. The unit converts standard AC line voltage directly into stabilized multi-rail DC outputs to energize adjacent rack-mounted controller chassis assemblies and isolated I\/O sub-buses. It executes constant regulation loops without internal cooling fans to mitigate common component wear vectors in standard industrial control enclosures.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eType Designation\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003ePower Output Rating\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eForm Factor Configuration\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e900P01-0001\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eType 900-01-0301\u003c\/td\u003e\n\u003ctd\u003e58 W Continuous Base\u003c\/td\u003e\n\u003ctd\u003eCompact DIN-Rail \/ Base Chassis Mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e51450991-001\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePWA Assembly Equivalent\u003c\/td\u003e\n\u003ctd\u003e58 W Continuous Base\u003c\/td\u003e\n\u003ctd\u003eDirect Rack Slot Interface Variant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003e900P01-0001 \/ 51450991-001\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\u003e0.56 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e120 x 45 x 115 mm\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\u003e1.4 A maximum input draw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e90-264 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\u003eOutput Voltages\u003c\/td\u003e\n\u003ctd\u003e+5 VDC (6 A maximum) and +24 VDC (2-5 A maximum)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e58 W continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConversion Efficiency\u003c\/td\u003e\n\u003ctd\u003e90 percent or greater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRipple Voltage\u003c\/td\u003e\n\u003ctd\u003e50 mV RMS or less\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling Methodology\u003c\/td\u003e\n\u003ctd\u003eNatural convection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Vectors\u003c\/td\u003e\n\u003ctd\u003eOverload, short-circuit, over-temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eCE, UL508, CSA, TUV, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; DCS Instrumentation\u003c\/h3\u003e\n\u003cp\u003eThe assembly features internal channel-to-channel isolation barriers designed to separate the primary AC grid input from the low-voltage DC logic circuits, preventing hazardous transient propagation into the controller backplane. Thermal sensors embedded on the internal heat-sink array monitor internal thresholds, enabling automatic safety shutdown routines before overheating damages the solid-state switching transistors. The hardware regulates separate voltage tracks, supplying a dedicated +5 VDC bus for central processor operations while running a concurrent +24 VDC loop protocol to drive field instruments and physical digital loop connections.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the power supply react when a short-circuit occurs on the field instrument loop?\u003c\/p\u003e\n\u003cp\u003eA: The internal protection circuitry instantly limits the output current and drops the voltage output rail to prevent component destruction. The module resets automatically once the short-circuit condition is removed from the physical field terminals.\u003c\/p\u003e\n\u003cp\u003eQ: Is this module hot-swappable in redundant power configurations?\u003c\/p\u003e\n\u003cp\u003eA: Redundant backplanes allow operators to swap an individual power module without shutting down the controller node, provided the remaining parallel module fully supports the current load demand. Confirm that the status LED of the partner supply remains active before extraction.\u003c\/p\u003e\n\u003cp\u003eQ: Does the natural convection cooling scheme require minimum installation clearances?\u003c\/p\u003e\n\u003cp\u003eA: Yes. Maintain a minimum vertical clearance spacing of 50 mm above and below the power supply frame to allow adequate air circulation and prevent localized thermal stagnation from causing premature shutdown loops.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the hardware vertically onto a standard symmetric 35 mm DIN-rail or directly into the allocated rack slot chassis framework. Verify that the AC mains input source matches the 90-264 VAC envelope before terminating the primary line wiring.\u003c\/p\u003e\n\u003cp\u003eStrip all input power conductors to the manufacturer-specified length to prevent exposed copper strands from causing inter-terminal tracking faults. Tighten all terminal terminal block compression screws using a calibrated torque tool to ensure mechanical stability under low-frequency plant vibration.\u003c\/p\u003e\n\u003cp\u003eConnect a dedicated, low-impedance copper grounding conductor directly from the protective earth terminal to the main chassis grounding bar. Do not route sensitive analog signal cables through the same wire ducting as the primary AC mains input line to minimize cross-talk induction.\u003c\/p\u003e","brand":"HONEYWELL","offers":[{"title":"Default Title","offer_id":43867055390819,"sku":"51450991-001","price":676.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/350_d675ed49-d37a-42b2-88de-3794326fd47f.jpg?v=1764663969","url":"https:\/\/www.autocontrolglobal.com\/products\/power-supply-module-honeywell-51450991-001","provider":"AutoControl Global","version":"1.0","type":"link"}