{"product_id":"honeywell-51155506-150-power-supply-unit","title":"Honeywell 51155506-150 Power Supply Unit","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 51155506-150\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51155506-150\u003c\/strong\u003e Power Supply Unit, operates as a dedicated hardware component for direct DC power delivery within Honeywell Experion PKS and TDC 3000 DCS platforms. It converts an 85-265 Vac AC line input into a regulated 120 Vdc output at 1.25 A with a 150 W total load capacity.\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\u003e51155506-150\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\u003e0.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e7 cm x 14 cm x 14.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e150 W output rating (Up to 90% efficiency)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e85-265 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\u003eOutput Voltage \/ Current\u003c\/td\u003e\n\u003ctd\u003e120 Vdc \/ 1.25 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eHoneywell Experion PKS \/ TDC 3000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol \u0026amp; Galvanic Isolation\u003c\/h3\u003e\n\u003cp\u003eThe 51155506-150 integrates high-frequency switching regulation alongside internal filtering to maintain high power conversion efficiency up to 90%. Galvanic isolation barriers between the 85-265 Vac AC input line and the 120 Vdc output bus suppress common-mode electrical noise and prevent ground potential differentials. This regulated low-ripple rail prevents power disturbance propagation to downstream I\/O networks, preserving signal integrity across analog loops executing 4-20 mA HART loop protocol transmissions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 51155506-150 power supply unit be hot-swapped while the DCS chassis is under load?\u003c\/p\u003e\n\u003cp\u003eA: Hot-swapping is restricted unless configured in a redundant power rack topology; single-bus installations require AC supply power to be isolated prior to physical unit removal.\u003c\/p\u003e\n\u003cp\u003eQ: What input frequency range is accepted by the 51155506-150 unit?\u003c\/p\u003e\n\u003cp\u003eA: The internal rectification stage accepts input frequencies ranging from 47 Hz to 63 Hz across the full 85-265 Vac input range.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect and lock out all AC mains incoming supply lines before connecting field conductors to the input terminals.\u003c\/li\u003e\n\u003cli\u003eMount the 0.4 kg chassis securely to cabinet rails using standard mounting hardware to maintain chassis earth continuity.\u003c\/li\u003e\n\u003cli\u003eWire the 120 Vdc output lines using properly rated industrial cabling, ensuring correct polarity alignment at terminal blocks.\u003c\/li\u003e\n\u003cli\u003eMaintain unrestricted clearance around top and side ventilation paths to allow adequate thermal heat dissipation during maximum 150 W load operation.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53567764267317,"sku":"51155506-150","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/51109456-200_Cocoai_3b0bbe69-8c7d-4608-8961-b9e5b6591831.png?v=1789364800","url":"https:\/\/www.5gplc.com\/products\/honeywell-51155506-150-power-supply-unit","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}