{"product_id":"output-module-1790-t0w8x-allen-bradley","title":"Output Module 1790-T0W8X - Allen-Bradley","description":"\u003ch2\u003e\u003cstrong\u003eAllen-Bradley 1790-T0W8X 8-Channel Relay Output Module\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe Allen-Bradley\u003cstrong\u003e 1790-T0W8X\u003c\/strong\u003e features eight Form A (normally open) relays.\u003c\/li\u003e\n\u003cli\u003eEach relay is a single pole, single throw (SPST) type for straightforward switching.\u003c\/li\u003e\n\u003cli\u003eThe module handles a wide \u003cspan style=\"color: #e74c3c;\"\u003eoutput voltage range from 5 to 28V DC at 2.0A\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eIt also supports \u003cspan style=\"color: #e74c3c;\"\u003eAC loads up to 250V AC at 2.0A\u003c\/span\u003e for resistive conditions.\u003c\/li\u003e\n\u003cli\u003eThe minimum load requirement is a low \u003cspan style=\"color: #e74c3c;\"\u003e100 µA at 100mV DC\u003c\/span\u003e per channel.\u003c\/li\u003e\n\u003cli\u003eExpect a maximum on-state voltage drop of \u003cspan style=\"color: #e74c3c;\"\u003e0.5V at 2.0A\u003c\/span\u003e with a 24V DC load.\u003c\/li\u003e\n\u003cli\u003eInitial contact resistance is very low at just \u003cspan style=\"color: #e74c3c;\"\u003e30 mΩ\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eRelay contact life is rated for \u003cspan style=\"color: #e74c3c;\"\u003e300,000 cycles (resistive) and 100,000 cycles (inductive)\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eMaximum off-state leakage current is \u003cspan style=\"color: #e74c3c;\"\u003e1.5 mA\u003c\/span\u003e for minimal power waste.\u003c\/li\u003e\n\u003cli\u003eOutput delay time is a fast \u003cspan style=\"color: #e74c3c;\"\u003e10 ms maximum\u003c\/span\u003e for both turn-on and turn-off.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eGeneral Specifications \u0026amp; Design\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe module requires a nominal \u003cspan style=\"color: #e74c3c;\"\u003e24V DC field power supply (19.2 to 28.8V DC range)\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003ePower dissipation is approximately \u003cspan style=\"color: #e74c3c;\"\u003e2.3W per channel\u003c\/span\u003e at the maximum voltage.\u003c\/li\u003e\n\u003cli\u003eIt features \u003cspan style=\"color: #e74c3c;\"\u003ephotocoupler isolation\u003c\/span\u003e between I\/O and control logic.\u003c\/li\u003e\n\u003cli\u003eThe isolation voltage rating is a high \u003cspan style=\"color: #e74c3c;\"\u003e1250V AC RMS\u003c\/span\u003e for safety.\u003c\/li\u003e\n\u003cli\u003eWiring uses a terminal block (M3.0) with a max torque of \u003cspan style=\"color: #e74c3c;\"\u003e7 lb-in\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eEight \u003cspan style=\"color: #e74c3c;\"\u003egreen LED status indicators\u003c\/span\u003e provide clear channel state feedback.\u003c\/li\u003e\n\u003cli\u003eThe common type configuration is 1 point per 1 common (1COM).\u003c\/li\u003e\n\u003cli\u003eIts compact design weighs only \u003cspan style=\"color: #e74c3c;\"\u003e0.38 lbs (0.17 kg)\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: Is this module brand new and original?\u003c\/strong\u003e\u003cbr\u003eA: Yes, we supply only \u003cspan style=\"color: #e74c3c;\"\u003e100% brand new and original\u003c\/span\u003e Allen-Bradley modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the switching capacity of each relay?\u003c\/strong\u003e\u003cbr\u003eA: Each relay can switch up to \u003cspan style=\"color: #e74c3c;\"\u003e2.0A at 28V DC or 250V AC\u003c\/span\u003e for resistive loads. Check specs for inductive loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What type of relay contacts does it have?\u003c\/strong\u003e\u003cbr\u003eA: It uses \u003cspan style=\"color: #e74c3c;\"\u003eForm A (Normally Open) Single Pole, Single Throw (SPST)\u003c\/span\u003e relay contacts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How is the module powered?\u003c\/strong\u003e\u003cbr\u003eA: It requires an external \u003cspan style=\"color: #e74c3c;\"\u003e24V DC nominal (19.2-28.8V DC) field power supply\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Do you have this module in stock?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the \u003cstrong\u003e1790-T0W8X\u003c\/strong\u003e is typically \u003cspan style=\"color: #e74c3c;\"\u003eavailable from our stock\u003c\/span\u003e for fast delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the expected life of the relays?\u003c\/strong\u003e\u003cbr\u003eA: The relays have an expected life of \u003cspan style=\"color: #e74c3c;\"\u003e300,000 cycles with resistive loads\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is your shipping and returns policy?\u003c\/strong\u003e\u003cbr\u003eA: We ship within 5 days via major carriers and \u003cspan style=\"color: #e74c3c;\"\u003esupport a 30-day return policy\u003c\/span\u003e for your peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e© 2026 NexAuto Technology Limited. All rights reserved.\u003cbr\u003eOriginal Source: \u003ca href=\"https:\/\/www.nex-auto.com\/\"\u003ehttps:\/\/www.nex-auto.com\/\u003c\/a\u003e\u003cbr\u003eContact: \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e | Phone: \u003ca href=\"https:\/\/wa.me\/8615392429628\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":47269264457986,"sku":"1790-T0W8X","price":223.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7280\/6146\/files\/1790-T0W8X.jpg?v=1770627035","url":"https:\/\/www.nex-auto.com\/products\/output-module-1790-t0w8x-allen-bradley","provider":"NexAuto Technology Limited","version":"1.0","type":"link"}