{"product_id":"trane-rly-0989-add-a-relay-120v-coil-spdt-auxiliary-relay","title":"Trane RLY-0989 Add-A-Relay 120V Coil SPDT Auxiliary Relay","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\" class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription:\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"18\" data-end=\"728\"\u003eThe Trane RLY0989 add-a-relay is an OEM auxiliary relay used in Trane commercial HVAC systems to provide additional switching capacity for control circuits, allowing low-power control signals to operate higher-current electrical loads. Featuring a \u003cstrong data-start=\"266\" data-end=\"282\"\u003e120 VAC coil\u003c\/strong\u003e and \u003cstrong data-start=\"287\" data-end=\"322\"\u003eSPDT (Single Pole Double Throw)\u003c\/strong\u003e contact configuration, this relay is commonly installed in Trane rooftop units, air handlers, chillers, and control panels for compressor control, fan sequencing, alarm functions, and auxiliary equipment switching. HVAC service technicians and maintenance personnel use the RLY0989 relay for replacement, repair, control circuit expansion, and preventive maintenance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"730\" data-end=\"747\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"749\" data-end=\"1231\"\u003eThe Trane RLY0989 add-a-relay is designed to isolate control circuits while providing an additional SPDT switching contact for HVAC control logic, equipment interlocks, status indication, and auxiliary device control. It is commonly used in commercial office buildings, hospitals, schools, manufacturing facilities, central chiller plants, and rooftop HVAC systems where reliable relay operation and expanded control functionality are required. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1233\" data-end=\"1262\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1264\" data-end=\"2081\"\u003e• Manufacturer Part Number (MPN): RLY0989\u003cbr data-start=\"1305\" data-end=\"1308\"\u003e• Alternate Part Number: RLY-0989\u003cbr data-start=\"1341\" data-end=\"1344\"\u003e• Manufacturer: Trane\u003cbr data-start=\"1365\" data-end=\"1368\"\u003e• Product Type: Add-A-Relay\u003cbr data-start=\"1395\" data-end=\"1398\"\u003e• Relay Type: Electromechanical Auxiliary Relay\u003cbr data-start=\"1445\" data-end=\"1448\"\u003e• Coil Voltage: 120 VAC\u003cbr data-start=\"1471\" data-end=\"1474\"\u003e• Frequency: 60 Hz\u003cbr data-start=\"1492\" data-end=\"1495\"\u003e• Contact Configuration: SPDT (Single Pole Double Throw)\u003cbr data-start=\"1551\" data-end=\"1554\" data-is-only-node=\"\"\u003e• Function: Auxiliary Switching and Control Circuit Expansion\u003cbr data-start=\"1615\" data-end=\"1618\"\u003e• Compatible Equipment: Trane Rooftop Units, Air Handlers, Chillers, and Commercial HVAC Equipment (model dependent)\u003cbr data-start=\"1734\" data-end=\"1737\"\u003e• Controlled Devices: Compressors, Fan Motors, Contactors, Alarm Circuits, Valves, and Auxiliary Controls\u003cbr data-start=\"1842\" data-end=\"1845\"\u003e• Mounting Type: Panel Mount\u003cbr data-start=\"1873\" data-end=\"1876\"\u003e• Installation: OEM Replacement Relay\u003cbr data-start=\"1913\" data-end=\"1916\"\u003e• Application Environment: Commercial HVAC, Industrial Control Panels, Building Automation Systems, and Refrigeration Equipment \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2083\" data-end=\"2107\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2109\" data-end=\"2384\"\u003e• Trane RLY0989 OEM Add-A-Relay\u003cbr data-start=\"2140\" data-end=\"2143\"\u003e• Trane auxiliary relay with matching 120 VAC coil and SPDT contact configuration\u003cbr data-start=\"2224\" data-end=\"2227\"\u003e• Functional equivalent SPDT relay with identical electrical ratings and mounting configuration\u003c\/p\u003e","brand":"Trane","offers":[{"title":"New","offer_id":51714172649774,"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_5555f149-b045-43d1-8540-53ed3d1d0cfe.jpg?v=1770418283","url":"https:\/\/plgautomation.com\/products\/trane-rly-0989-add-a-relay-120v-coil-spdt-auxiliary-relay","provider":"PLG Automation ","version":"1.0","type":"link"}