{"product_id":"3ub8123-4kw2","title":"3UB8123-4KW2 - Siemens 133-400A 3 Phase Solid-State Overload Relay Size A1 Motor Protection","description":" \t\t\t\t\t\t\t\t\t\t\u003ch2\u003e3UB8123-4KW2\u003c\/h2\u003e                                         \u003cbr\u003e \t\t\t\t\t\t\t\t\t\t\u003cb\u003e3UB8123-4KW2\u003c\/b\u003e is a Siemens solid-state overload relay designed for motor protection with a current range of 133 to 400 amps and 3-phase operation.This relay features a Size A1 frame and includes a built-in current transformer. It provides reliable motor protection with phase loss and phase unbalance trip functions, adjustable trip class from 5 to 30, and an ambient insensitive design. The conformally coated circuit board enhances durability, and it supports direct mounting or stand-alone use. Certified to UL and CSA standards, it ensures safety and compliance in industrial applications.\u003cul\u003e\n\u003cli\u003eAmperage: 133-400 A\u003c\/li\u003e\n\u003cli\u003eVoltage: Suitable for 3-phase motor circuits\u003c\/li\u003e\n\u003cli\u003ePoles: 3\u003c\/li\u003e\n\u003cli\u003eMounting Type: Direct mounting or stand-alone\u003c\/li\u003e\n\u003cli\u003eInterrupt Rating: Solid-state electronic protection\u003c\/li\u003e\n\u003cli\u003eSeries\/Frame: Size A1\u003c\/li\u003e\n\u003cli\u003eTrip Unit: Adjustable Class 5 to 30\u003c\/li\u003e\n\u003cli\u003ePhase Loss and Unbalance Protection\u003c\/li\u003e\n\u003cli\u003eConformally Coated Circuit Board\u003c\/li\u003e\n\u003cli\u003eCertifications: UL Listed, CSA Certified\u003c\/li\u003e\n\u003c\/ul\u003eAt \u003cb\u003eEssential Parts\u003c\/b\u003e, we offer \u003cb\u003efast shipping\u003c\/b\u003e, \u003cb\u003elowest price\u003c\/b\u003e, and \u003cb\u003eexpert support\u003c\/b\u003e to help you get the right product every time. \t\t\t\t\t\t\t\t\t\t\u003cbr\u003e                                          \t\t\t\t\t\t\t\t\t\t\u003ch3\u003e\u003cb\u003eSpecifications\u003c\/b\u003e\u003c\/h3\u003e \t\t\t\t\t\t\t\t\t\t\u003cul\u003e \t\t\t\t\t\t\t\t\t\t\t\u003cli\u003ePart Number: 3UB8123-4KW2\u003c\/li\u003e                                             \u003cli\u003eManufacturer : Siemens\u003c\/li\u003e\n\u003cli\u003eBrand : Siemens\u003c\/li\u003e\n\u003cli\u003eCategory : Motor Control\u003c\/li\u003e\n\u003cli\u003eItem Subcategory : Overload Relay\u003c\/li\u003e\n\u003cli\u003eFamily : ESP200\u003c\/li\u003e\n\u003cli\u003eType : 3UB8\u003c\/li\u003e\n\u003cli\u003eRelay Style : Solid State\u003c\/li\u003e\n\u003cli\u003eAmperage Maximum : 200\u003c\/li\u003e\n\u003cli\u003eAmperage Minimum : 50\u003c\/li\u003e \t\t\t\t\t\t\t\t\t\t\u003c\/ul\u003e                                         \u003cbr\u003e                                         \u003ch3\u003e\u003cb\u003eProduct Data\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUPC : 66264389724\u003c\/li\u003e\n\u003cli\u003eGTIN : 00662643897241\u003c\/li\u003e\n\u003cli\u003eDimensions : 3.543 x 4.213 x 3.15\u003c\/li\u003e\n\u003cli\u003eWeight : 1 lb\u003c\/li\u003e\n\u003c\/ul\u003e                                         \u003cbr\u003e                                          ","brand":"Siemens","offers":[{"title":"New","offer_id":47955242582175,"sku":"3UB8123-4KW2-New","price":214.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0500\/2349\/7887\/files\/3UB8123-4EW2_a0c980ac-3aa9-4b61-aa2d-76788a8a0ed2.png?v=1742935637","url":"https:\/\/essentialparts.com\/products\/3ub8123-4kw2","provider":"Essential Electric Supply","version":"1.0","type":"link"}