{"product_id":"watlow-sd3l-ljaa-aarg-temperature-limit-controller-24-28v-ac-dc-relay-output","title":"Watlow SD3L-LJAA-AARG Temperature Limit Controller 24-28V AC DC Relay Output SD3LLJAAAARG","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"666\"\u003eThe Watlow SD3L-LJAA-AARG temperature limit controller is used in industrial \u003ca href=\"https:\/\/plgautomation.com\/collections\/power-supplies-protection\" title=\"thermal process control\"\u003ethermal process control\u003c\/a\u003e and overtemperature protection systems requiring compact panel-mounted monitoring and reliable shutdown control performance. Commonly installed in industrial ovens, heat treatment equipment, packaging machinery, and process heating systems using 24-28V AC\/DC powered limit controllers with relay output for stable thermal management and equipment protection. Maintenance teams, OEMs, and system integrators use this temperature limit controller for replacement, retrofit, and thermal safety control upgrades in industrial automation environments.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"668\" data-end=\"685\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"686\" data-end=\"1089\"\u003eThe Watlow SD3L-LJAA-AARG temperature limit controller is commonly used in industrial heating systems requiring accurate temperature limit monitoring and dependable protective shutdown capability. It is applied in process heaters, plastics processing equipment, laboratory heating systems, and OEM thermal control panels to help maintain safe operating temperatures and prevent overheating conditions.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1091\" data-end=\"1120\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1122\" data-end=\"1785\"\u003e• Manufacturer Part Number (MPN): SD3L-LJAA-AARG\u003cbr data-start=\"1170\" data-end=\"1173\"\u003e• Product Type: Temperature Limit Controller\u003cbr data-start=\"1217\" data-end=\"1220\"\u003e• Brand: Watlow\u003cbr data-start=\"1235\" data-end=\"1238\"\u003e• Series: SD Series\u003cbr data-start=\"1257\" data-end=\"1260\"\u003e• Control Type: Temperature Limit Controller\u003cbr data-start=\"1304\" data-end=\"1307\"\u003e• Supply Voltage: 24-28V AC\/DC\u003cbr data-start=\"1337\" data-end=\"1340\"\u003e• Frequency: 50\/60Hz\u003cbr data-start=\"1360\" data-end=\"1363\"\u003e• DIN Size: 1\/32 DIN\u003cbr data-start=\"1383\" data-end=\"1386\" data-is-only-node=\"\"\u003e• Mounting Type: Panel Mount\u003cbr data-start=\"1414\" data-end=\"1417\"\u003e• Input Type: Universal Input\u003cbr data-start=\"1446\" data-end=\"1449\"\u003e• Output Type: Relay Output\u003cbr data-start=\"1476\" data-end=\"1479\"\u003e• Sensor Compatibility: Thermocouple \/ RTD \/ Process Inputs\u003cbr data-start=\"1538\" data-end=\"1541\"\u003e• Display Type: Digital LED Display\u003cbr data-start=\"1576\" data-end=\"1579\"\u003e• Protection Function: Overtemperature Shutdown Protection\u003cbr data-start=\"1637\" data-end=\"1640\"\u003e• Application Type: Industrial Thermal Process Control\u003cbr data-start=\"1694\" data-end=\"1697\"\u003e• Protection Rating: Industrial Front Panel Protection\u003cbr data-start=\"1751\" data-end=\"1754\"\u003e• Certifications: UL, CSA, CE\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1787\" data-end=\"1811\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1813\" data-end=\"1934\"\u003e• Watlow EZ-ZONE PM Limit Controller\u003cbr data-start=\"1849\" data-end=\"1852\"\u003e• Omron \u003ca href=\"https:\/\/plgautomation.com\/products\/omron-e5cc-qx3d5m-003?_pos=1\u0026amp;_sid=9740a36e9\u0026amp;_ss=r\" title=\"E5CC\"\u003eE5CC\u003c\/a\u003e Temperature Limit Controller\u003cbr data-start=\"1893\" data-end=\"1896\"\u003e• Honeywell \u003ca href=\"https:\/\/plgautomation.com\/products\/honeywell-dc3200-ce-100r-210-00000-e0-0-udc3200-1-4-din-90-250-vac?_pos=3\u0026amp;_sid=1863709fe\u0026amp;_ss=r\" title=\"UDC3200\"\u003eUDC3200\u003c\/a\u003e Limit Controller\u003c\/p\u003e","brand":"Watlow","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51731038306606,"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_7a91b72e-3405-4047-bd7f-2c55ae7bc582.jpg?v=1770595131","url":"https:\/\/plgautomation.com\/products\/watlow-sd3l-ljaa-aarg-temperature-limit-controller-24-28v-ac-dc-relay-output","provider":"PLG Automation ","version":"1.0","type":"link"}