{"product_id":"a11-9-square-d-thermal-unit-7-7-8-8a-type-s-type-a-melting-alloy-class-20-overload-relay-heater","title":"A11.9 - Square D Thermal Unit, 7.7-8.8A, Type S, Type A, Melting Alloy, Class 20 Overload Relay Heater","description":" \t\t\t\t\t\t\t\t\t\t\u003ch2\u003eA11.9\u003c\/h2\u003e                                         \u003cbr\u003e \t\t\t\t\t\t\t\t\t\t\u003cb\u003eA11.9\u003c\/b\u003e is a Square D thermal unit designed for motor control applications, providing reliable overload protection with a melting alloy trip mechanism.\u003cp\u003eThis thermal unit operates within a current range of 7.7 to 8.8 amps and features a Type S, Type A design with Class 20 trip rating. It is compatible with NEMA sizes 00-7 and supports up to 600V maximum voltage. The unit uses a melting alloy to protect motors by tripping within 20 seconds or less under overload conditions, ensuring motor safety and longevity.\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cul\u003eKey Specifications\u003cul\u003e\n\u003cli\u003eAmperage range: 7.7 to 8.8 Amps\u003c\/li\u003e\n\u003cli\u003eVoltage rating: Up to 600V maximum\u003c\/li\u003e\n\u003cli\u003eType: S, Type A thermal unit\u003c\/li\u003e\n\u003cli\u003eTrip class: 20 (trips in 20 seconds or less)\u003c\/li\u003e\n\u003cli\u003eOverload protection: Melting alloy\u003c\/li\u003e\n\u003cli\u003eCompatible with NEMA sizes 00-7\u003c\/li\u003e\n\u003cli\u003eApplication: Motor control overload relay heater\u003c\/li\u003e\n\u003cli\u003eConstruction: One-piece heater winding\u003c\/li\u003e\n\u003cli\u003eManufacturer: Square D\u003c\/li\u003e\n\u003cli\u003eFrame\/Series: A Series\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\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.\u003c\/p\u003e \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: A11.9\u003c\/li\u003e                                             \u003cli\u003eManufacturer : Schneider Electric\u003c\/li\u003e\n\u003cli\u003eBrand : Square D\u003c\/li\u003e\n\u003cli\u003eCategory : Motor Control\u003c\/li\u003e\n\u003cli\u003eItem Subcategory : Heater Element\u003c\/li\u003e\n\u003cli\u003eFamily : A Series\u003c\/li\u003e\n\u003cli\u003eType : A\u003c\/li\u003e\n\u003cli\u003eFull Load Amp Minimum : 7.71\u003c\/li\u003e\n\u003cli\u003eFull Load Amp Maximum : 8.81\u003c\/li\u003e\n\u003cli\u003eFull Load Amps : 8.16 to 8.98\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\n\u003cul\u003e\n\u003cli\u003eUPC : 785901585442\u003c\/li\u003e\n\u003cli\u003eGTIN : 00785901585442\u003c\/li\u003e\n\u003cli\u003eCountry of Origin : Mexico\u003c\/li\u003e\n\u003cli\u003eDimensions : Depth 9.29 in (236 mm) Width 8.11 in (206 mm) Height 15.98 in (406 mm)\u003c\/li\u003e\n\u003cli\u003eWeight : 0.03 \u003c\/li\u003e\n\u003c\/ul\u003e                                         \u003cbr\u003e                                          \u003c\/ul\u003e","brand":"Square D","offers":[{"title":"New","offer_id":42313497411743,"sku":"A11.9-New","price":32.47,"currency_code":"USD","in_stock":true},{"title":"Re-Certified","offer_id":42377202204831,"sku":"A11.9-ReCert","price":18.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0500\/2349\/7887\/products\/A11.9.jpg?v=1666024250","url":"https:\/\/essentialparts.com\/products\/a11-9-square-d-thermal-unit-7-7-8-8a-type-s-type-a-melting-alloy-class-20-overload-relay-heater","provider":"Essential Electric Supply","version":"1.0","type":"link"}