{"product_id":"trane-ctr3018-contactor","title":"Trane CTR3018 Contactor","description":"\u003cp\u003eThe \u003cstrong\u003eTrane CTR3018 Contactor\u003c\/strong\u003e is a heavy-duty, \u003cstrong\u003e3-pole HVAC contactor\u003c\/strong\u003e engineered for high-demand switching in commercial and industrial Trane equipment. Rated for a \u003cstrong\u003e32 Amp Full Load Amperage (FLA)\u003c\/strong\u003e, this \u003cstrong\u003e32A 3P contactor with auxiliary contacts\u003c\/strong\u003e provides reliable power management for compressors, condensers, and high-capacity air handlers. As a direct \u003cstrong\u003eTrane OEM replacement part\u003c\/strong\u003e, the \u003cstrong\u003eCTR3018\u003c\/strong\u003e ensures electrical integrity and precise mechanical operation within your control circuit, eliminating the indexing issues and premature coil failure often associated with generic alternatives.\u003c\/p\u003e\n\n\u003cp\u003eField technicians will recognize this unit as the verified \u003cstrong\u003ecross-reference for CTR2880 and X13070521020\u003c\/strong\u003e, making it a critical stock item for maintaining Trane's specific switching sequences. The integrated \u003cstrong\u003eauxiliary contacts\u003c\/strong\u003e allow for essential feedback loops or interlocking control logic, ensuring the safety and synchronization of secondary components. Whether you are performing a routine preventative maintenance swap or a reactive repair, this \u003cstrong\u003eCTR3018 32-amp contactor\u003c\/strong\u003e provides the exact physical footprint and electrical tolerances required for rapid, secure installation in the control box.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Contractor Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVerified OEM Compatibility:\u003c\/strong\u003e Direct replacement for \u003cstrong\u003eCTR2880\u003c\/strong\u003e and \u003cstrong\u003eX13070521020\u003c\/strong\u003e ensures proper fitment and terminal alignment.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEnhanced Control Logic:\u003c\/strong\u003e Built-in \u003cstrong\u003eauxiliary contacts\u003c\/strong\u003e facilitate advanced monitoring and signaling within complex HVAC control boards.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIndustrial Grade Switching:\u003c\/strong\u003e The \u003cstrong\u003e32 Amp 3-pole\u003c\/strong\u003e configuration is designed to handle high inrush currents typical of large commercial induction motors.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReliable Coil Performance:\u003c\/strong\u003e Specifically wound to resist the thermal cycling common in humid rooftop or mechanical room environments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTerminal Security:\u003c\/strong\u003e High-torque screw terminals ensure a vibration-resistant connection for line and load wires.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCommon Questions:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the auxiliary contacts on the CTR3018?\u003c\/strong\u003e\u003cbr\u003e\nThe auxiliary contacts act as secondary switches that move in tandem with the main \u003cstrong\u003e3-pole\u003c\/strong\u003e contacts. Technicians use these for low-voltage signal feedback to the controller, confirming the contactor has pulled in or providing interlock safety for other system components.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I use the CTR3018 to replace a standard 2-pole contactor?\u003c\/strong\u003e\u003cbr\u003e\nWhile a \u003cstrong\u003e3-pole contactor\u003c\/strong\u003e can physically switch power for a single-phase (2-pole) application, it is best practice to use the \u003cstrong\u003eCTR3018\u003c\/strong\u003e as a direct replacement for \u003cstrong\u003e3-phase equipment\u003c\/strong\u003e or where the \u003cstrong\u003eOEM specifications\u003c\/strong\u003e originally called for a 3-pole device to ensure electrical balance and proper phase separation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs this contactor compatible with non-Trane equipment?\u003c\/strong\u003e\u003cbr\u003e\nWhile designed as a \u003cstrong\u003eTrane OEM replacement\u003c\/strong\u003e, the electrical specifications (\u003cstrong\u003e32 Amps\u003c\/strong\u003e, \u003cstrong\u003e3-Pole\u003c\/strong\u003e) allow it to function in other systems provided the coil voltage and mounting footprint align with the existing controller requirements.\u003c\/p\u003e\n\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Trane","offers":[{"title":"Default Title","offer_id":42509394280626,"sku":"CTR3018","price":48.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Pic_c8c2ace3-d38b-42d4-bc65-fa13b7c42786.png?v=1767201318","url":"https:\/\/www.gsistore.com\/products\/trane-ctr3018-contactor","provider":"GSIstore","version":"1.0","type":"link"}