{"product_id":"allen-bradley-150-f251nbd-smc-flex-motor-controller","title":"Allen-Bradley 150-F251NBD SMC-Flex Motor Controller","description":"\u003ch2\u003e\u003cstrong\u003eAllen-Bradley 150-F251NBD SMC-Flex Smart Motor Controller\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eCore Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe \u003cstrong\u003eAllen-Bradley 150-F251NBD\u003c\/strong\u003e provides a rated current output of \u003cspan style=\"color: #2ecc71;\"\u003e\u003cstrong\u003e251 amperes\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eIt requires an input line voltage of \u003cspan style=\"color: #2ecc71;\"\u003e\u003cstrong\u003e200-575V AC, 3-Phase, 50\/60 Hz\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eThe control voltage is \u003cspan style=\"color: #2ecc71;\"\u003e\u003cstrong\u003e100 to 240V AC\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eIts power rating is \u003cspan style=\"color: #2ecc71;\"\u003e\u003cstrong\u003e250 HP at 575V AC\u003c\/strong\u003e\u003c\/span\u003e for line connection.\u003c\/li\u003e\n\u003cli\u003eFor Delta connection, it supports \u003cspan style=\"color: #2ecc71;\"\u003e\u003cstrong\u003e350 HP at 460V AC\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eThis controller features an \u003cstrong\u003eopen enclosure\u003c\/strong\u003e design for proper panel mounting.\u003c\/li\u003e\n\u003cli\u003eIt has a \u003cstrong\u003eprogrammable contact configuration\u003c\/strong\u003e of 1NO and 1NC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Protection\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis \u003cstrong\u003eSMC-Flex\u003c\/strong\u003e controller functions as an advanced \u003cstrong\u003esoft starter\u003c\/strong\u003e for motors.\u003c\/li\u003e\n\u003cli\u003eIt contains \u003cspan style=\"color: #2ecc71;\"\u003e\u003cstrong\u003ebuilt-in electronic motor overload protection\u003c\/strong\u003e\u003c\/span\u003e for enhanced safety.\u003c\/li\u003e\n\u003cli\u003eThe module includes an \u003cstrong\u003eSCR bypass\/run contactor\u003c\/strong\u003e for reliable operation.\u003c\/li\u003e\n\u003cli\u003eIt offers \u003cspan style=\"color: #2ecc71;\"\u003e\u003cstrong\u003eground fault detection capabilities\u003c\/strong\u003e\u003c\/span\u003e for trip or alarm functions.\u003c\/li\u003e\n\u003cli\u003eFor ground fault detection, users must install an \u003cstrong\u003eexternal sensor\u003c\/strong\u003e with the controller.\u003c\/li\u003e\n\u003cli\u003eThe device helps \u003cstrong\u003emanage excessive current and torque\u003c\/strong\u003e during motor starting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation \u0026amp; Operating Requirements\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstallers must follow all \u003cstrong\u003estatic control precautions\u003c\/strong\u003e during setup.\u003c\/li\u003e\n\u003cli\u003eMaintain the operating temperature between \u003cspan style=\"color: #2ecc71;\"\u003e\u003cstrong\u003e0 and 50 degrees Celsius\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eMount the controller to allow for \u003cstrong\u003eadequate cooling\u003c\/strong\u003e, possibly with an additional fan.\u003c\/li\u003e\n\u003cli\u003eThis \u003cstrong\u003e3-phase module\u003c\/strong\u003e operates within a voltage range of \u003cstrong\u003e200 to 480V AC\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003e150-F251NBD\u003c\/strong\u003e has a contact rating of \u003cspan style=\"color: #2ecc71;\"\u003e\u003cstrong\u003e75 to 250 kW at 50 Hertz\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the horsepower rating of the 150-F251NBD?\u003c\/strong\u003e\u003cbr\u003eA: The \u003cstrong\u003eAllen-Bradley 150-F251NBD\u003c\/strong\u003e is rated for \u003cspan style=\"color: #2ecc71;\"\u003e\u003cstrong\u003e250 HP at 575V AC\u003c\/strong\u003e\u003c\/span\u003e in line connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does this controller include overload protection?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it features \u003cspan style=\"color: #2ecc71;\"\u003e\u003cstrong\u003ebuilt-in electronic motor overload protection\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Are your products genuine and new?\u003c\/strong\u003e\u003cbr\u003eA: Absolutely. We sell only \u003cspan style=\"color: #2ecc71;\"\u003e\u003cstrong\u003eauthentic, brand new Allen-Bradley\u003c\/strong\u003e\u003c\/span\u003e controllers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is your shipping and return policy?\u003c\/strong\u003e\u003cbr\u003eA: We ship \u003cspan style=\"color: #2ecc71;\"\u003e\u003cstrong\u003ewithin 5 days\u003c\/strong\u003e\u003c\/span\u003e via major carriers and offer a \u003cspan style=\"color: #2ecc71;\"\u003e\u003cstrong\u003e30-day return\u003c\/strong\u003e\u003c\/span\u003e guarantee.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What voltage does this SMC-Flex controller accept?\u003c\/strong\u003e\u003cbr\u003eA: It accepts \u003cspan style=\"color: #2ecc71;\"\u003e\u003cstrong\u003e200-575V AC, 3-phase input\u003c\/strong\u003e\u003c\/span\u003e with \u003cspan style=\"color: #2ecc71;\"\u003e\u003cstrong\u003e100-240V AC control voltage\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e© 2026 NexAuto Technology Limited. All rights reserved.\u003cbr\u003eOriginal Source: \u003ca href=\"https:\/\/www.nex-auto.com\/\" target=\"_blank\"\u003ehttps:\/\/www.nex-auto.com\/\u003c\/a\u003e\u003cbr\u003eContact: \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e\u003cbr\u003ePhone: \u003ca href=\"https:\/\/wa.me\/8615392429628\" target=\"_blank\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":47205447368962,"sku":"150-F251NBD","price":235.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7280\/6146\/files\/150-F251NBD-1.jpg?v=1769506399","url":"https:\/\/www.nex-auto.com\/it\/products\/allen-bradley-150-f251nbd-smc-flex-motor-controller","provider":"NexAuto Technology Limited","version":"1.0","type":"link"}