{"product_id":"150-f251nbrd-allen-bradley-smc-flex-smart-motor-controller","title":"150-F251NBRD Allen-Bradley SMC Flex Smart Motor Controller","description":"\u003cp\u003eThe \u003cb\u003eAllen-Bradley 150-F251NBRD\u003c\/b\u003e, also cataloged as the \u003cb\u003e150-F251NBRD\u003c\/b\u003e Smart Motor Controller, operates as a dedicated hardware component for controlled solid-state starting, braking execution, and current limiting within 3-phase high-power motor circuits.\u003c\/p\u003e\n\u003ch3\u003eDesignation Breakdown \u0026amp; Model Parameters\u003c\/h3\u003e\n\u003cp\u003eThe catalog code \u003cb\u003e150-F251NBRD\u003c\/b\u003e denotes a Bulletin 150 solid-state soft starter from the SMC Flex family. Built with an open enclosure structure, the unit handles continuous motor current up to 251 A and controls 3-phase induction motors rated up to 200 HP at 460 VAC. Integrated firmware includes braking control routines, operating over a main line supply window of 200..480 VAC at 50\/60 Hz and accepting 24 VAC\/DC \/ 100...240 VAC control supply sources.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e150-F251NBRD\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.06 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7.8 x 24.0 x 21.8 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard Industrial Limits (0 to 50 deg C)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDissipation based on SCR junction conduction losses at 251 A continuous load\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eController Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBulletin 150 Solid-State Controller\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eContinuous Current\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e251 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Rating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e200 HP at 460 VAC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInput Line Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e200..480 VAC, 3-Phase, 50\/60 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eControl Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VAC\/DC \/ 100...240 VAC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEnclosure Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOpen Enclosure\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eIntegrated Option\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBraking Control\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTariff Code\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8537101190\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDeterministic Network Communications \u0026amp; Fieldbus Synchronization\u003c\/h3\u003e\n\u003cp\u003eData exchange between the controller and supervisory controllers is established through optional communication cards operating on EtherNet\/IP deterministic networks. Sub-millisecond data refresh speeds combined with verified firmware flash compatibility prevent control latency. Optimized backplane bus communication velocity allows deterministic transmission of operational parameters and precise stopping signals while preserving panel I\/O density scaling.\u003c\/p\u003e\n\u003ch3\u003eDelivery Package Inventory\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Allen-Bradley 150-F251NBRD SMC Flex Smart Motor Controller Assembly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Electrostatic Protective Shield Bag\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Hardware Mounting and Wiring Reference Sheet\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCabinet Installation \u0026amp; Line Connection Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eVertical Open Enclosure Mounting\u003c\/b\u003e: Install the open chassis upright within a clean enclosure, maintaining clear vertical spacing for unrestricted thermal airflow over the power heatsink.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eControl Circuit Termination\u003c\/b\u003e: Wire the control supply leads (24 VAC\/DC or 100...240 VAC) using twisted, shielded conductors routed separately from high-voltage 3-phase line cables.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMain Cable Connection\u003c\/b\u003e: Torque 3-phase power line (200..480 VAC) and motor load terminals to standard manufacturer specifications to avoid high-resistance thermal stress at 251 A.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eChassis Earthing Standard\u003c\/b\u003e: Attach a heavy-gauge, low-impedance ground bonding strap from the controller ground terminal straight to the main panel earthing busbar.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWhat is the continuous phase current capacity of the 150-F251NBRD?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe solid-state motor controller supports a continuous full-load operating current rating of 251 A across 3-phase circuits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWhat control input voltages can be connected to the device?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe unit supports versatile control power options accepting either 24 VAC\/DC or 100...240 VAC control supply inputs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWhat line voltage range can be applied to the main terminals?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe main power circuit operates across 3-phase AC line input voltages from 200 VAC up to 480 VAC at 50\/60 Hz.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWhat maximum motor power output is supported at 460 VAC?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe controller manages 3-phase AC induction motors rated up to 200 HP when connected to a 460 VAC line supply.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDoes this model include dynamic motor deceleration features?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eYes, catalog variant 150-F251NBRD includes built-in braking control functionality for controlled stopping operations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWhat physical enclosure protection class is provided with this unit?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe controller is manufactured as an open enclosure chassis designed for installation inside an outer protective panel.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHow are operational diagnostics integrated into plant controllers?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eSystem status parameters are mapped over EtherNet\/IP deterministic networks via optional network communication adapters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eWhat thermal protection procedures apply to main power terminals?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eAll high-current power terminations must be checked periodically using a calibrated torque wrench to prevent localized terminal heating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066383650989,"sku":"150-F251NBRD","price":159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/150-F6_6-5_7a7a6252-cb68-4ea7-97fe-9b4818a5dbc9.jpg?v=1786074944","url":"https:\/\/www.maxwellplc.com\/products\/150-f251nbrd-allen-bradley-smc-flex-smart-motor-controller","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}