{"product_id":"npsi02-abb-bailey-infi-90-network-90-module-power-supply","title":"NPSI02 ABB Bailey Infi 90 \/ Network 90 Module Power Supply","description":"\u003cp\u003eThe \u003cstrong\u003eABB NPSI02\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eNPSI02\u003c\/strong\u003e Module Power Supply, operates as a dedicated hardware component for direct voltage step-down regulation and backplane logic power feed within Bailey Network 90 and Infi 90 DCS chassis environments. It converts nominal 120\/230 V AC utility lines or 24\/48 V DC auxiliary inputs into a regulated +5 V DC distribution bus, delivering between 100 W and 150 W output power with operational conversion efficiency above 78%.\u003c\/p\u003e\n\u003ch3\u003eModel Variant \u0026amp; Circuit Topology Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNPSI02\u003c\/strong\u003e: Base hardware model for the internal chassis power supply module, serving central process controllers and adjacent rack I\/O cards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC Input Stage\u003c\/strong\u003e: Primary input filtering circuit supporting standard 125 VAC (120\/230 V AC nominal range) at 50\/60 Hz frequency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Auxiliary Input\u003c\/strong\u003e: Secondary input terminal architecture accepting 24 V DC or 48 V DC backup power lines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogic Voltage Bus\u003c\/strong\u003e: Regulated +5 V DC secondary output rail tailored for high-density backplane digital circuitry.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePrimary Technical \u0026amp; Electrical Specifications\u003c\/h3\u003e\n\u003cfigure\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\u003eNPSI02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSWEDEN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e11 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e30 x 9.7 x 21.7 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSelf-dissipation dependent on load (Efficiency \u0026gt; 78%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e120\/230 V AC (125 VAC nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Input Option\u003c\/td\u003e\n\u003ctd\u003e24\/48 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e+5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e100-150 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 78%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTariff Code\u003c\/td\u003e\n\u003ctd\u003e8537101190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Power Distribution \u0026amp; System Bus Stability\u003c\/h3\u003e\n\u003cp\u003eThe NPSI02 maintains stable backplane bus communication velocity and logic execution by providing ripple-suppressed +5 V DC power across the entire chassis assembly. The regulated voltage rail ensures uninterrupted module operation and preserves firmware flash compatibility during transient load changes or line input shifts. High conversion efficiency (\u0026gt; 78%) minimizes heat dissipation inside the module mounting unit, protecting neighboring process controllers and high-density I\/O modules from thermal degradation.\u003c\/p\u003e\n\u003ch3\u003ePackaging \u0026amp; Unit Inclusions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x ABB NPSI02 Module Power Supply unit\u003c\/li\u003e\n\u003cli\u003eFactory ESD protective containment packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Procedures \u0026amp; Wiring Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMains Input Isolation\u003c\/strong\u003e: Disconnect and lock out primary AC and DC power feeds before sliding the power supply unit into the rack chassis frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Alignment\u003c\/strong\u003e: Slide the 11 kg module firmly along chassis guide tracks to ensure proper seating of rear high-current power connectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFastener Torque\u003c\/strong\u003e: Secure all front-panel retaining bolts to ensure low-resistance earth grounding between the module frame and rack cabinet chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVentilation Clearance\u003c\/strong\u003e: Maintain unblocked airflow above and below the supply chassis to permit convection cooling across the internal heat sinks within the 0 deg C to +60 deg C operating envelope.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering \u0026amp; Hardware FAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the primary output voltage supplied by the NPSI02 module?\u003c\/p\u003e\n\u003cp\u003eThe module delivers a stable +5 V DC regulated rail directly to the backplane to power processing and I\/O module logic circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the power supply accept both AC and DC input sources?\u003c\/p\u003e\n\u003cp\u003eYes, it accepts primary 120\/230 V AC input line voltages as well as auxiliary 24\/48 V DC input supply options.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the total continuous power output capacity of the unit?\u003c\/p\u003e\n\u003cp\u003eThe module provides a continuous power output capacity rated between 100 W and 150 W depending on backplane load demand.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does conversion efficiency affect cabinet heat generation?\u003c\/p\u003e\n\u003cp\u003eAn efficiency rating above 78% limits internal power loss as heat, reducing cabinet temperature and thermal stress on adjacent cards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs hot-swapping allowed for the NPSI02 power supply during operation?\u003c\/p\u003e\n\u003cp\u003eHot-swapping requires dual redundant supply configurations; single-supply systems must be powered down before module removal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat are the storage thermal boundaries for this hardware?\u003c\/p\u003e\n\u003cp\u003eUninstalled storage temperature must be maintained within -40 deg C to +85 deg C to prevent component seal degradation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow is frame grounding secured for the 11 kg assembly?\u003c\/p\u003e\n\u003cp\u003eFrame grounding is established via rear connector contacts and the mechanical front panel mounting bolts attached to the chassis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat happens if input line frequency fluctuates on AC power feeds?\u003c\/p\u003e\n\u003cp\u003eThe internal rectifier stage tolerates standard 50\/60 Hz power variations while delivering stable DC output to the system bus.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46021105418413,"sku":"NPSI02","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/PHAMSCTER20000.jpg?v=1789278578","url":"https:\/\/www.maxwellplc.com\/ga\/products\/npsi02-abb-bailey-infi-90-network-90-module-power-supply","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}