{"product_id":"foxboro-p0903zl-power-supply-control-module-i-a-series","title":"Foxboro P0903ZL Power Supply Control Module I\/A Series","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eFoxboro P0903ZL\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a robust power and interface module developed for the Foxboro I\/A Series Distributed Control System. It is designed to provide a regulated DC output for field control equipment while supporting system-level communication functions.\u003c\/p\u003e\n\u003cp\u003eThis unit combines power conditioning and control communication capabilities, ensuring stable energy delivery and reliable data exchange in distributed process environments. Its rugged enclosure and wide operating tolerances make it suitable for installation in demanding industrial locations.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eP0903ZL\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eIndustrial Power Supply \/ Control Interface Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Input Range\u003c\/td\u003e\n\u003ctd\u003eSelectable 100–240 VAC (50\/60 Hz typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Input Option\u003c\/td\u003e\n\u003ctd\u003e24 V DC (model-dependent configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e39 V DC regulated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Stability\u003c\/td\u003e\n\u003ctd\u003e±0.5% typical regulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Performance\u003c\/td\u003e\n\u003ctd\u003eHigh-frequency conversion (approx. kHz range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e≤ 1 ms transient response\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Rating\u003c\/td\u003e\n\u003ctd\u003eApprox. 10 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003eModbus RTU (RS-485), Ethernet (system dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Level\u003c\/td\u003e\n\u003ctd\u003eIP67 (sealed against dust and water ingress)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e10% to 95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Size\u003c\/td\u003e\n\u003ctd\u003e140 × 110 × 70 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus Indication\u003c\/td\u003e\n\u003ctd\u003eMulti-LED diagnostic indicators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eDesign and Performance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eP0903ZL\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis engineered to maintain a tightly regulated DC output, supporting sensitive control electronics that require consistent voltage levels. Its fast transient response ensures minimal deviation during load changes, which is critical in real-time control systems.\u003c\/p\u003e\n\u003cp\u003eThe module integrates industrial communication interfaces, allowing it to participate in system-level monitoring and diagnostics. Electrical and environmental protections are built into the design, enabling reliable operation under vibration, moisture, and temperature extremes.\u003c\/p\u003e\n\u003cp\u003eIts sealed construction (IP67) allows installation closer to field devices, reducing wiring complexity in distributed architectures.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eCommon use cases for this module include:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDistributed power supply within Foxboro I\/A Series control cabinets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eField-mounted control systems in oil \u0026amp; gas and petrochemical plants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower conditioning for remote I\/O stations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHarsh-environment automation systems such as mining and metallurgy\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnergy and utility infrastructure requiring stable DC supply\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eIntegration Considerations\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eP0903ZL\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis intended exclusively for Foxboro I\/A Series platforms and should be used with compatible baseplates and system modules.\u003c\/p\u003e\n\u003cp\u003eDifferent input configurations (AC or DC) may exist depending on the version supplied. Verification of input type before installation is recommended to avoid mismatch.\u003c\/p\u003e\n\u003cp\u003eAlthough the module supports online maintenance strategies, replacement procedures should follow system guidelines to ensure operational safety.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What output does the module provide?\u003c\/strong\u003e\u003cbr\u003eA: It delivers a regulated 39 V DC output suitable for powering control system components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can it operate in outdoor or harsh environments?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the IP67-rated enclosure protects against dust and water, making it suitable for challenging conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does it support communication with the control system?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it supports industrial communication protocols such as Modbus RTU and Ethernet, depending on system configuration.\u003c\/p\u003e","brand":"Foxboro","offers":[{"title":"Default Title","offer_id":43187867320410,"sku":"P0903ZL","price":177.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/P0903ZL2.jpg?v=1775548463","url":"https:\/\/www.plcmasters.com\/products\/foxboro-p0903zl-power-supply-control-module-i-a-series","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}