{"product_id":"3ub81134bb2-overload-relay","title":"3UB81134BB2, Overload Relay","description":"\u003ch2\u003e3UB81134BB2 Overload Relay – Solid State Motor Protection\u003c\/h2\u003e\n\u003cp\u003eThe Siemens 3UB81134BB2 Overload Relay is a solid state device designed for protecting single phase and polyphase motors in industrial electrical applications. Suitable for use by electrical distributors and switchgear suppliers, this relay provides reliable motor overload protection with versatile mounting options including direct and DIN rail mounting. It is compatible with NEMA and IEC contactors and can be used as a retrofit for other brands, making it an efficient solution for wire and cable control systems and lighting solutions requiring motor protection.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eApplication: Single phase and polyphase motors\u003c\/li\u003e\n  \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e\n  \u003cli\u003eContact Configuration: Normally Open \/ Normally Closed (NO\/NC)\u003c\/li\u003e\n  \u003cli\u003eContact Rating: B600 \/ R300\u003c\/li\u003e\n  \u003cli\u003eMaximum Motor Voltage: 600 V\u003c\/li\u003e\n  \u003cli\u003eMaximum Switching Voltage: 600 V\u003c\/li\u003e\n  \u003cli\u003eMounting Type: Direct\u003c\/li\u003e\n  \u003cli\u003eMounting: Direct \/ DIN Rail\u003c\/li\u003e\n  \u003cli\u003eProduct Weight: 0.4500 kg\u003c\/li\u003e\n  \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e\n  \u003cli\u003eManufacturer Part Number: 3UB81134BB2\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eField selectable Trip Class 5, 10, 20, or 30 via DIP switches for flexible motor protection\u003c\/li\u003e\n  \u003cli\u003e4:1 current adjustment range with fine adjustment dial labeled in full load amps\u003c\/li\u003e\n  \u003cli\u003eHeaterless solid state design minimizes heat buildup, reducing ventilation or cooling costs\u003c\/li\u003e\n  \u003cli\u003eEasily accessible reset button with visible and audible trip indication for quick restart readiness\u003c\/li\u003e\n  \u003cli\u003eDesigned to replace thermal or ESP100 overload relays with identical dimensions and footprint\u003c\/li\u003e\n  \u003cli\u003eCan be directly coupled to contactors or remotely mounted for installation flexibility\u003c\/li\u003e\n  \u003cli\u003eCompatible with NEMA and IEC contactors and other types of motor controllers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eDownloads \u0026amp; Links\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/media.distributordatasolutions.com\/4855\/xlsx_trimble\/3dd8bb2b4ca2705190c0836152e4ecfb6c73a123.pdf?did=4169\u0026amp;pid=29387673\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eCatalog\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":48743879442687,"sku":"306433","price":313.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0805\/5868\/6463\/files\/04b803e055f4e01c63f8c4c302fecd5492fc03f4-large.png?v=1782466237","url":"https:\/\/hunkshome.com\/products\/3ub81134bb2-overload-relay","provider":"HunksHome®","version":"1.0","type":"link"}