{"product_id":"ge-multilin-mmii-pd-1-2-240-motor-manager-ii-motor-protection-system","title":"Système de protection moteur GE Multilin MMII-PD-1-2-240 Motor Manager II","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eMMII-PD-1-2-240\u003c\/strong\u003e provides comprehensive microprocessor-based supervision, management, and diagnostic monitoring for low-voltage electric motor applications. This \u003cstrong\u003emotor protection system\u003c\/strong\u003e coordinates core protective algorithms including thermal overload tracking, phase unbalance corrections, contactor failure verification, and rotor stall prevention within industrial Motor Control Centers (MCCs). Equipped with both standard Option 1 and Option 2 factory expansions, the module integrates an internal hot winding thermistor sensor layer alongside VT inputs for exact real-time calculation of kilowatt (kW) and kilowatt-hour (kWh) parameters. The \u003cstrong\u003eMMII-PD-1-2-240 motor protection system\u003c\/strong\u003e features an embedded two-line liquid-crystal panel display and integrates an undervoltage auto-restart tracking circuit to systematically restore system drive assemblies following localized line fluctuations.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMicroprocessor-driven monitoring matrix protecting low-voltage motors against overloads, phase failure, stalled rotors, and contactor circuit faults.\u003c\/li\u003e\n\u003cli\u003eIntegrated front-facing control panel featuring a 2-line, 40-character liquid-crystal display (LCD) and a manual tactile keypad.\u003c\/li\u003e\n\u003cli\u003eOption 1 hardware expansion pack containing 10 programmable switch inputs, a 4 to 20 mA analog input, and 2 auxiliary electromechanical relays.\u003c\/li\u003e\n\u003cli\u003eOption 2 hardware expansion pack providing diagnostic relay timers, contactor A and B relays, voltage transformer (VT) inputs, and an integrated thermistor loop.\u003c\/li\u003e\n\u003cli\u003eFunctional MOD 625 optimization for arc suppression paths paired with non-functional MOD 605 removable rear terminal blocks.\u003c\/li\u003e\n\u003cli\u003eComprehensive data logging capability capturing standalone trip snapshots alongside corresponding pre-trip operational variables.\u003c\/li\u003e\n\u003cli\u003eNetwork integration through a serial RS485 interface executing Modbus communications up to 19200 bps.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-density intelligent Motor Control Centers (MCC)\u003c\/li\u003e\n\u003cli\u003eManufacturing assembly drive systems and industrial processing loops\u003c\/li\u003e\n\u003cli\u003ePetrochemical, mining, and municipal water treatment low-voltage motor protection\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\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\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGE Multilin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMotor Manager II (MM2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMMII-PD-1-2-240\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMMII Motor Protection System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePD - Panel Mount With Display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e240 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 VA (Maximum), 7 VA (Nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFuse Rating\/Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 A 250 V Fast blow, high breaking capacity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDigital Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 total optically isolated channels (6 fixed, 10 configurable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDigital Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 total channels (2 dedicated contactor outputs, 2 programmable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAnalog Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 channel (4 to 20 mA via Option 1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAnalog Diagnostics\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePhase current, ground current, thermal capacity, power\/energy levels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSingle Phase Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\\pm 2 percentage points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConfiguration Software\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEnerVista\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSerial Communication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRS485 Modbus, 1200 bps to 19200 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturing Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMarkham, Ontario, Canada\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Net Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMax. 4 lbs (1.8 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShipping Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8.3\" x 5.625\" x 5.8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eConnections\/Interfaces\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eInterface Node\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDescription \/ Assignment Function\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemovable Rear Terminals\u003c\/td\u003e\n\u003ctd\u003eMain 240 VAC power input and field signal connection blocks under MOD 605\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContactor Outputs\u003c\/td\u003e\n\u003ctd\u003eDedicated terminal pair assigned for primary contactor loop controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgrammable Outputs\u003c\/td\u003e\n\u003ctd\u003eAuxiliary electro-mechanical relay terminal pairs for status signaling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVT Input Terminals\u003c\/td\u003e\n\u003ctd\u003eVoltage transformer interfaces utilized for operational kW\/kWh calculations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermistor Port\u003c\/td\u003e\n\u003ctd\u003eTerminal inputs dedicated to localized hot winding thermal resistors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRS485 Serial Port\u003c\/td\u003e\n\u003ctd\u003eDifferential serial connection terminal managing Modbus network paths\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabinet Preparation:\u003c\/strong\u003e Ensure the cutout size on the front sheet metal of the enclosure door matches the dimensional specifications of the MMII-PD panel-mount layout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLOTO Verification:\u003c\/strong\u003e Completely isolate the 240 VAC control circuitry and associated power feeds leading into the starter bucket using standard Lockout\/Tagout (LOTO) protocols.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Security:\u003c\/strong\u003e Insert the housing through the cutout from the front face of the enclosure panel. Attach the specialized side mounting clamps from the rear inside wall of the door and tighten down the hardware until the front sealing ring seals out environment debris.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField Electrical Wiring:\u003c\/strong\u003e Connect the phase current transformer (CT) secondary leads and zero-sequence ground fault lines into the backplane blocks with correct polarity. Route the RS485 communications cabling using shielded twisted-pair conductors.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":52695419355499,"sku":"MMII-PD-1-2-240","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/general-electric-mmii-pd-1-2-240-motor-management-unit-gsehwfparfq_bf133f68-da46-4c1f-bcca-6ca123eb0f23.jpg?v=1766135348","url":"https:\/\/www.plcprotech.com\/fr\/products\/ge-multilin-mmii-pd-1-2-240-motor-manager-ii-motor-protection-system","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}