{"product_id":"honeywell-2mlr-ac23-redundant-power-supply-module-ac-220v-8-5a","title":"Honeywell 2MLR-AC23 Redundant Power Supply Module AC 220V 8.5A","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 2MLR-AC23\u003c\/strong\u003e is a \u003cstrong\u003ehigh-capacity redundant power supply module\u003c\/strong\u003e for the \u003cstrong\u003eMasterLogic-200R (ML200R)\u003c\/strong\u003e PLC system. It accepts \u003cstrong\u003eAC 220V input\u003c\/strong\u003e and delivers \u003cstrong\u003eregulated DC 5V at 8.5A\u003c\/strong\u003e to power redundant CPU racks, I\/O modules, and communication interfaces. With \u003cstrong\u003eactive-active load sharing\u003c\/strong\u003e and \u003cstrong\u003ehot-swap capability\u003c\/strong\u003e, it ensures continuous power delivery for the most demanding critical control applications in power generation, oil \u0026amp; gas, and chemical processing.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Redundant Power Supply Module (High Capacity)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e MasterLogic-200R (Redundant)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e AC 220V (200–240V range)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e DC 5V (regulated ±2%)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Current:\u003c\/strong\u003e 8.5A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRedundancy Type:\u003c\/strong\u003e Active-Active (parallel sharing)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitchover Time:\u003c\/strong\u003e Zero (seamless failover)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency:\u003c\/strong\u003e \u0026gt;85%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e Overvoltage, overcurrent, short-circuit, thermal shutdown\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRun Contact:\u003c\/strong\u003e SPDT relay contact (250V AC \/ 2A) for status indication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot-Swappable:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (W x H x D):\u003c\/strong\u003e 122 mm x 35 mm x 100 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 0.45 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to +55°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, RoHS\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8.5A high capacity\u003c\/strong\u003e — 55% more power than the 5.5A AC22, supporting fully loaded 12-slot redundant racks with high-density I\/O and multiple communication modules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e220V AC input for international sites\u003c\/strong\u003e — designed for European, Asian, and Australian mains voltage standards, eliminating step-down transformers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActive-active redundancy\u003c\/strong\u003e — dual 2MLR-AC23 modules share the load; failure of one supply results in instantaneous, bumpless transfer to the surviving unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot-swap maintenance\u003c\/strong\u003e — defective power supplies can be extracted and replaced while the process continues to run, maximizing system availability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in run contact\u003c\/strong\u003e — dry contact output interfaces with BMS, SCADA, or annunciator panels for immediate power fault notification\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLarge steam turbine control and protection systems\u003c\/li\u003e\n\u003cli\u003ePetrochemical refinery safety instrumented systems (SIS)\u003c\/li\u003e\n\u003cli\u003eNuclear power plant auxiliary control\u003c\/li\u003e\n\u003cli\u003eOffshore platform topside process control\u003c\/li\u003e\n\u003cli\u003ePharmaceutical multi-reactor batch control\u003c\/li\u003e\n\u003cli\u003eAny fully loaded 12-slot ML200R rack requiring maximum power margin\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirm mains voltage\u003c\/strong\u003e — verify your site provides AC 220V (200–240V). For AC 110V sites, use \u003cstrong\u003e2MLR-AC13\u003c\/strong\u003e (8.5A) instead.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall in redundant power slots\u003c\/strong\u003e — mount two 2MLR-AC23 modules in the dedicated power supply slots of the ML200R main base (2MLR-M02P or 2MLR-M06P).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire independent feeds\u003c\/strong\u003e — connect each power supply to a separate AC circuit breaker and distribution panel to achieve true power source diversity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect earth ground\u003c\/strong\u003e — bond the PE terminal to the cabinet earth bus with 2.5 mm² wire.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWire run contacts\u003c\/strong\u003e — connect the SPDT relay contacts to your alarm system or PLC diagnostic input for remote monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTest failover\u003c\/strong\u003e — energize both supplies, confirm load sharing, then remove one supply and verify the second maintains 5V output without CPU fault.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 2MLR-AC23 and 2MLR-AC22?\u003c\/strong\u003e\u003cbr\u003e\nA: The \u003cstrong\u003e2MLR-AC23\u003c\/strong\u003e provides \u003cstrong\u003e8.5A output\u003c\/strong\u003e. The \u003cstrong\u003e2MLR-AC22\u003c\/strong\u003e provides \u003cstrong\u003e5.5A output\u003c\/strong\u003e. Both accept AC 220V input. Choose AC23 for fully loaded 12-slot racks; choose AC22 for 2-slot and 6-slot racks.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix AC22 and AC23 in the same rack?\u003c\/strong\u003e\u003cbr\u003eA: \u003cstrong\u003eNo.\u003c\/strong\u003e Honeywell recommends using \u003cstrong\u003eidentical power supply models\u003c\/strong\u003e in redundant pairs to ensure equal load sharing and prevent circulating currents.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is this compatible with non-redundant ML200 bases?\u003c\/strong\u003e\u003cbr\u003e\nA: \u003cstrong\u003eNo.\u003c\/strong\u003e The 2MLR-AC23 is mechanically and electrically designed for \u003cstrong\u003eML200R redundant bases only\u003c\/strong\u003e (2MLR-M02P, 2MLR-M06P).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the efficiency and heat dissipation?\u003c\/strong\u003e\u003cbr\u003e\nA: At \u0026gt;85% efficiency, a fully loaded 2MLR-AC23 dissipates approximately \u003cstrong\u003e25–30W\u003c\/strong\u003e as heat. Ensure 50 mm clearance above and below the module for convective cooling.\u003c\/p\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSelect \u003cstrong\u003e2MLR-AC23\u003c\/strong\u003e for \u003cstrong\u003eAC 220V sites\u003c\/strong\u003e with \u003cstrong\u003efully loaded 12-slot redundant racks\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eFor \u003cstrong\u003esmaller racks\u003c\/strong\u003e (2-slot or 6-slot), the \u003cstrong\u003e2MLR-AC22\u003c\/strong\u003e (5.5A) is more cost-effective.\u003c\/li\u003e\n\u003cli\u003eFor \u003cstrong\u003eAC 110V sites\u003c\/strong\u003e, choose \u003cstrong\u003e2MLR-AC13\u003c\/strong\u003e (8.5A) or \u003cstrong\u003e2MLR-AC12\u003c\/strong\u003e (5.5A).\u003c\/li\u003e\n\u003cli\u003eAlways install \u003cstrong\u003etwo identical power supplies\u003c\/strong\u003e per rack — never run redundant systems with a single supply.\u003c\/li\u003e\n\u003cli\u003eCalculate your \u003cstrong\u003etotal 5V bus load\u003c\/strong\u003e (CPU + I\/O + communication modules) before ordering; a 12-slot rack with high-density I\/O typically requires 8.5A.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53959332528312,"sku":"2MLR-AC23","price":162.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/2MLR-AC23_3.png?v=1787197726","url":"https:\/\/www.globalpetroparts.com\/products\/honeywell-2mlr-ac23-redundant-power-supply-module-ac-220v-8-5a","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}