{"product_id":"schneider-electric-b19-5-thermal-overload-relay","title":"Schneider Electric B19.5 Thermal Overload Relay","description":"\u003ch3\u003e\u003cspan\u003eDescription:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Square D B19.5 Thermal \u003ca href=\"https:\/\/plgautomation.com\/collections\/power-supplies-protection\"\u003eOverload Relay\u003c\/a\u003e Heater Element Unit is a calibrated motor protection component used in Square D thermal overload relay systems. It provides overload protection by converting motor current into heat, which operates a time-delayed bimetal or melting alloy trip mechanism to protect the motor from sustained overcurrent conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eApplications:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe Square D B19.5 heater element is used in Square D motor starters and overload relay assemblies for industrial motor protection in conveyors, pumps, compressors, HVAC systems, and general manufacturing equipment. It is commonly installed in motor control centers (MCCs), OEM panels, and industrial automation systems where accurate thermal protection is required based on motor full-load current ratings.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eTechnical Specifications:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e• Manufacturer: Square D (Schneider Electric)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Model: B19.5\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Product Type: Thermal Overload Relay Heater Element Unit\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Full Load Current Range: 12.9 – 13.9 A (\u003c\/span\u003e\u003ca href=\"https:\/\/www.grainger.com\/product\/SQUARE-D-Thermal-Unit-20-Trip-Class-1H613\"\u003e\u003cspan\u003eGrainger\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e) (\u003c\/span\u003e\u003ca href=\"https:\/\/www.grainger.com\/product\/SQUARE-D-Thermal-Unit-20-Trip-Class-1H613\"\u003e\u003cspan\u003egrainger.com\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Trip Class: Class 20 thermal protection system\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Overload Type: Melting alloy \/ bimetal thermal sensing element\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Mounting Type: Plug-in heater element for overload relay base\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Function: Motor overload protection via time-delayed thermal trip mechanism\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Compatibility: Square D Type B \/ Type S overload relay frames\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Application Environment: Industrial motor control systems and MCC assemblies\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eCommon Replacements:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e• Square D B19.6 Thermal Heater Element\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Schneider Electric LRD Series Thermal Units\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e• Siemens 3RU11 Thermal Overload Heater Elements\u003c\/span\u003e\u003c\/p\u003e","brand":"Generic","offers":[{"title":"New","offer_id":51728200073518,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_0d62f398-8b03-4fd7-924b-b59601ce792b.jpg?v=1770585561","url":"https:\/\/plgautomation.com\/products\/schneider-electric-b19-5-thermal-overload-relay","provider":"PLG Automation ","version":"1.0","type":"link"}