{"product_id":"watlow-e3a50-firerod-cartridge-heater-o1-4in-x-3in-length-120vac-300w","title":"Watlow E3A50 Firerod Cartridge Heater ø1 4in x 3in Length 120VAC 300W","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"623\"\u003eThe Watlow E3A50 \u003ca href=\"https:\/\/plgautomation.com\/collections\/power-supplies-protection\" title=\"FIREROD cartridge heater\"\u003eFIREROD cartridge heater\u003c\/a\u003e is used in industrial process heating and thermal control systems requiring reliable electric heat transfer and uniform temperature performance. Commonly installed in packaging machinery, molds, dies, industrial ovens, and semiconductor processing equipment where compact high-temperature heating elements are required. Maintenance teams, OEM operators, and system integrators use this Watlow cartridge heater for heater replacement, thermal system upgrades, retrofit projects, and maintaining dependable heating performance in demanding industrial environments.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"625\" data-end=\"642\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"643\" data-end=\"1107\"\u003eThe Watlow E3A50 FIREROD cartridge heater is designed for industrial heating applications requiring controlled thermal transfer and precise temperature management in compact equipment assemblies. It is commonly applied in plastic processing equipment, sealing bars, medical devices, packaging systems, and industrial tooling where stable heat distribution, corrosion resistance, and reliable heating performance are essential for continuous industrial operation.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1109\" data-end=\"1138\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1139\" data-end=\"1746\"\u003e• Manufacturer Part Number (MPN): E3A50\u003cbr data-start=\"1178\" data-end=\"1181\"\u003e• Brand: Watlow\u003cbr data-start=\"1196\" data-end=\"1199\"\u003e• Product Type: FIREROD Cartridge Heater\u003cbr data-start=\"1239\" data-end=\"1242\"\u003e• Voltage Rating: 120VAC\u003cbr data-start=\"1266\" data-end=\"1269\"\u003e• Power Rating: 300W\u003cbr data-start=\"1289\" data-end=\"1292\"\u003e• Heater Diameter: 1\/4 inch\u003cbr data-start=\"1319\" data-end=\"1322\"\u003e• Heater Length: 3 inch\u003cbr data-start=\"1345\" data-end=\"1348\"\u003e• Heater Type: Cartridge heater\u003cbr data-start=\"1379\" data-end=\"1382\" data-is-only-node=\"\"\u003e• Series: FIREROD\u003cbr data-start=\"1399\" data-end=\"1402\"\u003e• Sheath Material: Alloy sheath construction\u003cbr data-start=\"1446\" data-end=\"1449\"\u003e• Function: Industrial electric process heating\u003cbr data-start=\"1496\" data-end=\"1499\"\u003e• Application Type: Thermal processing and automation systems\u003cbr data-start=\"1560\" data-end=\"1563\"\u003e• System Use: Heat transfer and temperature control\u003cbr data-start=\"1614\" data-end=\"1617\"\u003e• Installation Type: Insert-style cartridge mounting\u003cbr data-start=\"1669\" data-end=\"1672\"\u003e• Industrial Use: Packaging, tooling, ovens, and process heating systems\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1748\" data-end=\"1772\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1773\" data-end=\"1858\"\u003e• Chromalox Cartridge Heater\u003cbr data-start=\"1801\" data-end=\"1804\"\u003e• Tempco Cartridge Heater\u003cbr data-start=\"1829\" data-end=\"1832\"\u003e• Omega Cartridge Heater\u003c\/p\u003e","brand":"Watlow","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51731089948974,"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_a87fb767-4ea0-4a9d-80e8-f028eca65959.jpg?v=1770595294","url":"https:\/\/plgautomation.com\/products\/watlow-e3a50-firerod-cartridge-heater-o1-4in-x-3in-length-120vac-300w","provider":"PLG Automation ","version":"1.0","type":"link"}