{"product_id":"621-9934-honeywell-io-rack-power-supply-module-115230-vac-8-a-5-vdc","title":"621-9934 | Honeywell I\/O Rack Power Supply Module, 115\/230 VAC, 8 A +5 VDC","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"444\" data-start=\"90\"\u003eThe Honeywell 621-9934 I\/O Rack Power Supply Module delivers regulated DC power for I\/O and analog control modules. It supports selectable 115\/230 VAC operation and provides 8 A at +5 VDC and 600 mA at ±15 VDC, ensuring stable and reliable operation in industrial automation systems.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 99.964%; height: 568.4px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 19.6px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 19.6px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 19.6px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 19.6px;\"\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 19.6px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 19.6px;\"\u003eIndustrial Power Supplies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 19.6px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 19.6px;\"\u003e621-9934\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 19.6px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 19.6px;\"\u003eI\/O Power Supply Modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 19.6px;\"\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 19.6px;\"\u003ePower supply for I\/O and analog modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 19.6px;\"\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 19.6px;\"\u003eSelectable 115\/230 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 19.6px;\"\u003e\u003cstrong\u003eInput Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 19.6px;\"\u003e47–63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 19.6px;\"\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 19.6px;\"\u003e+5 VDC and ±15 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 19.6px;\"\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 19.6px;\"\u003e+5 VDC @ 8 A, ±15 VDC @ 600 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 19.6px;\"\u003e\u003cstrong\u003eInput Terminals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 19.6px;\"\u003eA (L1\/Line), B (L2\/Common), and Ground symbol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 19.6px;\"\u003e\u003cstrong\u003ePower Output Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 19.6px;\"\u003eRegulated DC output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 19.6px;\"\u003e\u003cstrong\u003ePower Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 19.6px;\"\u003eTotal combined power for standard I\/O operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 39.2px;\"\u003e\u003cstrong\u003eOperating Frequency Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 39.2px;\"\u003e46–63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 19.6px;\"\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 19.6px;\"\u003eSelectable input via internal switch or jumper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 19.6px;\"\u003e\u003cstrong\u003eProtection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 19.6px;\"\u003eOverload and thermal protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 19.6px;\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 19.6px;\"\u003eRack-mounted installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 19.6px;\"\u003e\u003cstrong\u003eElectrical Isolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 19.6px;\"\u003eIntegrated between input and output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 19.6px;\"\u003e\u003cstrong\u003eHousing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 19.6px;\"\u003eMetal front coverplate with terminal block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 19.6px;\"\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 19.6px;\"\u003eConvection cooled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 39.2px;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 39.2px;\"\u003e0…55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 39.2px;\"\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 39.2px;\"\u003e-25…+85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 19.6px;\"\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 19.6px;\"\u003e95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 39.2px;\"\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 39.2px;\"\u003eI\/O racks, analog modules, and control system power distribution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 25.2502%; height: 19.6px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 74.6166%; height: 19.6px;\"\u003e3.20 lbs (approx. 1.45 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003e621-9934\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe Honeywell 621-9934 belongs to the I\/O power supply family used in Honeywell industrial control systems, designed to provide regulated DC power for I\/O and analog signal modules. It operates on either 115 VAC or 230 VAC input, selectable through internal configuration, and converts it into +5 VDC and ±15 VDC outputs. The +5 VDC supply delivers up to 8 A for digital logic and I\/O modules, while the ±15 VDC supply provides 600 mA for analog and special-function modules. A top-mounted terminal block clearly labels the AC input connections for line, common, and ground, simplifying installation. Built with overload and thermal protection, the 621-9934 ensures stable and safe power delivery within demanding automation environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSelectable Input Voltage: Operates on either 115 VAC or 230 VAC, suitable for global installations.\u003c\/li\u003e\n\u003cli\u003eHigh Output Capacity: Supplies 8 A at +5 VDC and 600 mA at ±15 VDC to power I\/O and analog modules.\u003c\/li\u003e\n\u003cli\u003eStable Regulated Output: Provides consistent voltage regulation for sensitive control electronics.\u003c\/li\u003e\n\u003cli\u003eIntegrated Protection: Includes overload and thermal protection to ensure operational safety.\u003c\/li\u003e\n\u003cli\u003eDurable Construction: Metal front coverplate and robust design for industrial reliability.\u003c\/li\u003e\n\u003cli\u003eConvenient Connection: Top-mounted terminal block simplifies AC wiring and installation.\u003c\/li\u003e\n\u003cli\u003eRack-Mount Design: Fits Honeywell I\/O racks, supporting centralized power distribution.\u003c\/li\u003e\n\u003cli\u003eWide Frequency Range: Compatible with 47–63 Hz AC input for flexible operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 621-9934 delivers the reliability and precision required for powering control modules and maintaining stable operation in Honeywell process automation systems.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49105099030784,"sku":"621-9934","price":880.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/wmremove-transformed_2_7a8d8c14-cc07-41cb-88c6-065968c2de87.jpg?v=1785540158","url":"https:\/\/alotechparts.com\/products\/621-9934-honeywell-io-rack-power-supply-module-115230-vac-8-a-5-vdc","provider":"Alo Tech Solutions","version":"1.0","type":"link"}