{"product_id":"abb-bailey-iepaf02-ac-field-power-module","title":"ABB Bailey IEPAF02 AC Field Power Module","description":"\u003cp\u003eThe \u003cstrong\u003eABB IEPAF02\u003c\/strong\u003e is an AC field power module designed to supply high-reliability +24 VDC power directly to field-powered devices and field termination hardware. Operating within the INFI 90 process control cabinet architecture, the \u003cstrong\u003eIEPAF02\u003c\/strong\u003e converts standard 120\/240 VAC line input into fully regulated +24 VDC output, segregating field power distribution from system logic supplies to enhance noise isolation and operational stability.\u003c\/p\u003e\n\u003cp\u003eFeaturing advanced parallel load sharing, the \u003cstrong\u003eABB IEPAF02\u003c\/strong\u003e supports scalable system sizing and N+1 power redundancy configurations, ensuring uninterrupted process control during individual module maintenance or failure. Built with integrated diagnostic status circuitry, the module continuously monitors internal operation and bus output conditions, delivering real-time LED diagnostic feedback and automated fault detection to process control networks.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDelivers dedicated, regulated +24 VDC output tailored for field termination devices and field I\/O circuitry.\u003c\/li\u003e\n\u003cli\u003eConfigurable input power capabilities supporting both 120 VAC and 240 VAC line supplies.\u003c\/li\u003e\n\u003cli\u003eSupports N+1 redundant power topologies with active load sharing across parallel module installations.\u003c\/li\u003e\n\u003cli\u003eHot-swappable modular architecture allowing insertion and removal under live system power.\u003c\/li\u003e\n\u003cli\u003eIntegrated LED status indicators for real-time visual feedback on module health, overtemperature, overcurrent, and undercurrent conditions.\u003c\/li\u003e\n\u003cli\u003eComprehensive circuit protection including overtemperature shutdown, overcurrent limiting, and undercurrent detection.\u003c\/li\u003e\n\u003cli\u003eDirect compatibility with IEMMU01, IEMMU02 Module Mounting Units, and IEPMU01, IEPMU02 Power Mounting Units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDistributed Control Systems (DCS) field device power supplies.\u003c\/li\u003e\n\u003cli\u003eProcess control cabinet field termination unit (TU) and termination module powering.\u003c\/li\u003e\n\u003cli\u003eRedundant field I\/O loop power distribution in petrochemical, power generation, and heavy manufacturing facilities.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABB \/ Elsag Bailey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC Field Power Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Input Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 VAC \/ 240 VAC (Jumper Configurable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage Range (120 VAC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90 to 132 VRMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage Range (240 VAC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e180 to 264 VRMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e47 to 63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Input Current (120 VAC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.25 ARMS (90 VRMS min), 1.75 ARMS (120 VRMS nom)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Input Current (240 VAC)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.25 ARMS (180 VRMS min), 1.00 ARMS (240 VRMS nom)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInrush Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLess than 5 A peak per supply for 100 msecs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.7 typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+25.8 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.0 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Power Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e102 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoad Regulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+\/-0.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLine Regulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLess than 0.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Holdup Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e17 msecs (fully loaded)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeat Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 W per module maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Ambient Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 55 degC (32 to 131 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Module Ambient Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70 degC (158 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHumidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5% to 90% up to 55 degC (noncondensing); 0% to 45% at 70 degC (noncondensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFits standard single slot in IEMMU\/IEPMU units (Card Cage H: 177.8 mm \/ 7.0 in, D: 317.5 mm \/ 12.5 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding \u0026amp; Electrostatic Discharge:\u003c\/strong\u003e Always wear a grounded ESD wrist strap connected to the cabinet frame or power entry panel grounding point before handling modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage Jumpering:\u003c\/strong\u003e Verify jumper J1 is correctly positioned for either 120 VAC (pins 1-2) or 240 VAC (pins 2-3) operation prior to seating the module into the backplane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUndercurrent Configuration:\u003c\/strong\u003e Set jumper J2 to enable (pins 1-2) or disable (pins 2-3) 24 VDC undercurrent monitoring based on minimum connected field load requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Insertion:\u003c\/strong\u003e Align module edges with card cage guide rails in the IEMMU or IEPMU housing. Slide firmly into position until edge connectors engage the backplane, then lock with the two concentric faceplate retaining screws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacitor Discharge Warning:\u003c\/strong\u003e Allow at least 5 seconds for internal line filter capacitors to discharge after removing the module from live power before handling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Management:\u003c\/strong\u003e Handle removed modules by the front panel edges or handles; avoid contact with the internal heat sinks, which can reach high temperatures during operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Certification:\u003c\/strong\u003e CSA certified as process control equipment in an ordinary (nonhazardous) environment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurge Protection:\u003c\/strong\u003e Meets IEEE-472-1974 surge test requirements.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":52668622307691,"sku":"IEPAF02","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/abb-iepaf02-ac-field-power-supply-gxetdce0e51_8fc0f36f-ebfb-4a88-81b9-a327db348725.jpg?v=1765535853","url":"https:\/\/www.plcprotech.com\/products\/abb-bailey-iepaf02-ac-field-power-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}