{"product_id":"cummins-otec-225-3ph-automatic-transfer-switches","title":"Cummins OTEC 225 Amp NSE 480V 3ph Automatic Transfer Switches - A075F137","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"font-family: 'Segoe UI', Arial, sans-serif; max-width: auto; margin: 0 auto; color: #333; line-height: 1.6;\"\u003e\n\n\u003c!-- Dark Header Banner --\u003e\n\u003cdiv style=\"background-color: #1e3a5f; padding: 35px 40px; border-radius: 8px 8px 0 0; text-align: center;\"\u003e\n\u003ch2 style=\"color: #ffffff; font-size: 28px; font-weight: bold; margin: 0 0 12px 0;\"\u003eCummins OTEC 225 Amp NSE 480V 3-Phase Automatic Transfer Switch\u003c\/h2\u003e\n\u003cp style=\"color: #b8c7d6; font-size: 16px; margin: 0;\"\u003eA075F137 | Open Transition | 225 Amp | 3-Phase | 480V System Voltage\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- Stats Boxes - 3 Columns --\u003e\n\u003cdiv style=\"display: flex; justify-content: space-between; gap: 0; margin: 0; border: 2px solid #d0d0d0; border-top: none;\"\u003e\n\u003cdiv style=\"flex: 1; text-align: center; padding: 28px 20px; border-right: 2px solid #d0d0d0; background-color: #ffffff;\"\u003e\n\u003cdiv style=\"font-size: 32px; font-weight: bold; color: #1e3a5f; margin-bottom: 6px;\"\u003e225 Amp\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; color: #666; text-transform: uppercase; letter-spacing: 1px;\"\u003eCurrent Rating\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; text-align: center; padding: 28px 20px; border-right: 2px solid #d0d0d0; background-color: #ffffff;\"\u003e\n\u003cdiv style=\"font-size: 32px; font-weight: bold; color: #1e3a5f; margin-bottom: 6px;\"\u003e480V\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; color: #666; text-transform: uppercase; letter-spacing: 1px;\"\u003eVoltage Rating\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1; text-align: center; padding: 28px 20px; background-color: #ffffff;\"\u003e\n\u003cdiv style=\"font-size: 32px; font-weight: bold; color: #1e3a5f; margin-bottom: 6px;\"\u003e3-Phase\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; color: #666; text-transform: uppercase; letter-spacing: 1px;\"\u003ePhase Configuration\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- Product Overview --\u003e\n\u003cdiv style=\"background-color: #f5f5f5; padding: 32px 40px; margin-top: 24px; border-radius: 6px;\"\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: 600; color: #1e3a5f; margin: 0 0 16px 0; border-bottom: 2px solid #1e3a5f; padding-bottom: 10px; display: inline-block;\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp style=\"font-size: 15px; color: #444; margin: 0; line-height: 1.8;\"\u003eThe Cummins OTEC 225 Amp NSE (Non-Service Entrance) 480V 3-phase \u003ca href=\"https:\/\/www.portlandiaelectric.supply\/collections\/automatic-transfer-switches-generator-accessories\" target=\"_blank\" title=\"\" rel=\"noopener\"\u003eAutomatic Transfer Switch \u003c\/a\u003e(ATS) is designed for commercial and industrial applications requiring reliable and efficient backup power. With a 225 Amp capacity, this ATS provides seamless automatic transfer between utility and generator power during outages, ensuring uninterrupted service for critical systems. The 480V 3-phase configuration allows for balanced \u003ca href=\"https:\/\/share.google\/iE0LaxmqMy3eith0g\" target=\"_blank\" title=\"\" rel=\"noopener\"\u003eenergy\u003c\/a\u003e distribution, making this switch ideal for high-demand, 3-phase installations. This robust unit features open transition technology to safely disconnect loads before reconnecting to a new power source. It is suitable for emergency, legally required, and optional standby applications. The integrated controller ensures practical functionality with LED indicators for real-time status monitoring. Digital pushbuttons allow operators to easily activate control tests and exercise timing. Maintenance is simplified through single-plug harness connections and field-programmable controls. No tools are required for door-mounted control adjustments. This switch monitors both power sources continuously to detect utility failures instantly. It signals generator startup automatically to prepare for power transfer. The system returns the load to primary power once stable utility voltage is confirmed. Heavy-duty silver alloy contacts ensure long-term durability without routine maintenance. Multi-leaf arc chutes effectively manage high-energy arcs during switching operations. Barriers separate phases to prevent dangerous interphase flashover incidents. A transparent cover allows visual inspection while blocking accidental contact. This transfer switch is UL 1008 certified for high endurance switching capability.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- Key Benefits --\u003e\n\u003cdiv style=\"padding: 32px 40px; margin-top: 24px; background-color: #ffffff;\"\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: 600; color: #1e3a5f; margin: 0 0 24px 0; border-bottom: 2px solid #1e3a5f; padding-bottom: 10px; display: inline-block;\"\u003eKey Benefits\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cspan style=\"font-weight: bold; color: #1e3a5f;\"\u003eHigh Current Capacity:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003eThe 225 Amp rating supports heavy industrial loads and large commercial facilities effectively.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cspan style=\"font-weight: bold; color: #1e3a5f;\"\u003eOpen Transition Safety:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003eBreak-before-make action completely disconnects loads to prevent source-to-source connections safely.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cspan style=\"font-weight: bold; color: #1e3a5f;\"\u003eMicroprocessor Control:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003eAdvanced microprocessor control ensures precise monitoring and automatic response to power fluctuations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cspan style=\"font-weight: bold; color: #1e3a5f;\"\u003eEasy Operator Interface:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003eLED displays and digital pushbuttons simplify testing, timing adjustments, and manual operations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 20px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cspan style=\"font-weight: bold; color: #1e3a5f;\"\u003eLow Maintenance Design:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003eHeavy-duty silver alloy contacts and arc chutes require no routine contact maintenance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- How It Works --\u003e\n\u003cdiv style=\"background-color: #f5f5f5; padding: 32px 40px; margin-top: 24px; border-radius: 6px;\"\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: 600; color: #1e3a5f; margin: 0 0 16px 0; border-bottom: 2px solid #1e3a5f; padding-bottom: 10px; display: inline-block;\"\u003eHow It Works\u003c\/h2\u003e\n\u003cp style=\"font-size: 15px; color: #444; margin: 0 0 20px 0; line-height: 1.8;\"\u003eThe Cummins OTEC transfer switch continuously monitors both the primary utility power and the standby generator set. When the utility power fails or becomes unstable, the controller signals the generator to start immediately. Once the generator reaches a stable operating state, the switch automatically transfers the electrical load to the generator source. This ensures that critical systems remain powered without interruption during utility outages. The process is fully automated and managed by the integrated microprocessor controller. When the utility power returns and stabilizes, the system detects this change automatically. The controller then initiates the retransfer process to move the load back to the primary utility source. This return happens smoothly to prevent any sudden power disruptions for connected equipment. The entire cycle is designed for reliability and rapid response in emergency situations. Open transition timing can be adjusted to disconnect the load completely for a programmed period. This feature is recommended by NEMA MG-1 for safe transfer of inductive loads like motors. The switch incorporates both electrical and mechanical interlocks to prevent accidental source interconnection. These safety features ensure that power never flows between the two sources simultaneously.\u003c\/p\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cspan style=\"font-weight: bold; color: #1e3a5f;\"\u003eAutomatic Monitoring:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003eThe controller constantly checks voltage, frequency, and phase rotation of both power sources.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cspan style=\"font-weight: bold; color: #1e3a5f;\"\u003eGenerator Start Signal:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003eUpon detecting utility failure, the switch sends an immediate signal to start the backup generator.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cspan style=\"font-weight: bold; color: #1e3a5f;\"\u003eLoad Transfer:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003eThe mechanism opens the utility connection and closes the generator connection to transfer the load.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cspan style=\"font-weight: bold; color: #1e3a5f;\"\u003eUtility Return Detection:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003eThe system waits for stable utility power before initiating the return transfer to primary source.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cspan style=\"font-weight: bold; color: #1e3a5f;\"\u003eMechanical Interlocking:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003ePhysical and electrical locks prevent both sources from connecting at the same time accidentally.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- Technical Specifications --\u003e\n\u003cdiv style=\"background-color: #f5f5f5; padding: 32px 40px; margin-top: 24px; border-radius: 6px;\"\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: 600; color: #1e3a5f; margin: 0 0 24px 0; border-bottom: 2px solid #1e3a5f; padding-bottom: 10px; display: inline-block;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 600; color: #333; width: 45%; background-color: #eaeaea;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003eA075F137\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 600; color: #333; width: 45%; background-color: #eaeaea;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003eOTEC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 600; color: #333; width: 45%; background-color: #eaeaea;\"\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003e225 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 600; color: #333; width: 45%; background-color: #eaeaea;\"\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003e480V AC 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 600; color: #333; width: 45%; background-color: #eaeaea;\"\u003ePhase Configuration\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003e3-Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 600; color: #333; width: 45%; background-color: #eaeaea;\"\u003eTransition Type\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003eOpen Transition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 600; color: #333; width: 45%; background-color: #eaeaea;\"\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003eUL Type 1 Indoor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 600; color: #333; width: 45%; background-color: #eaeaea;\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003e-30°C to 60°C (-22°F to 140°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 600; color: #333; width: 45%; background-color: #eaeaea;\"\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003e-40°C to 60°C (-40°F to 140°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 600; color: #333; width: 45%; background-color: #eaeaea;\"\u003eTotal Transfer Time\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003eMax 6 cycles at 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 600; color: #333; width: 45%; background-color: #eaeaea;\"\u003eControl Voltage\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003e120V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 600; color: #333; width: 45%; background-color: #eaeaea;\"\u003eCertification\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003eUL 1008 Certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 600; color: #333; width: 45%; background-color: #eaeaea;\"\u003eContact Material\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003eHeavy-Duty Silver Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 600; color: #333; width: 45%; background-color: #eaeaea;\"\u003eActuator Type\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003eBi-directional Linear Actuator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: 600; color: #333; width: 45%; background-color: #eaeaea;\"\u003ePole Configuration\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003e3-Pole with Neutral Bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003c!-- Certifications \u0026 Warranty --\u003e\n\u003cdiv style=\"padding: 32px 40px; margin-top: 24px; background-color: #ffffff; border-left: 4px solid #1e3a5f;\"\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: 600; color: #1e3a5f; margin: 0 0 16px 0;\"\u003eCertifications \u0026amp; Compliance\u003c\/h2\u003e\n\u003cp style=\"font-size: 15px; color: #444; margin: 0;\"\u003e\n\u003cspan style=\"font-weight: 600;\"\u003eCertifications:\u003c\/span\u003e UL 1008 Certified for high endurance switching capability\u003cbr\u003e\n\u003cspan style=\"font-weight: 600;\"\u003eInverter Compatibility:\u003c\/span\u003e Compatible with standard standby generator sets and power systems\u003cbr\u003e\n\u003cspan style=\"font-weight: 600;\"\u003eEnvironmental:\u003c\/span\u003e Operating temperature -30°C to 60°C; Humidity max 95% non-condensing\u003cbr\u003e\n\u003cspan style=\"font-weight: 600;\"\u003eWarranty:\u003c\/span\u003e Comprehensive warranty backed by worldwide network of distributors with factory-trained service technicians\n\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- Documentation --\u003e\n\u003cdiv style=\"background-color: #f5f5f5; padding: 32px 40px; margin-top: 24px; border-radius: 6px;\"\u003e\n\u003ch2 style=\"font-size: 20px; font-weight: 600; color: #1e3a5f; margin: 0 0 16px 0;\"\u003eDocumentation\u003c\/h2\u003e\n\u003cspan style=\"display: inline-flex; align-items: center; font-size: 15px; padding: 12px 24px; border: 2px solid rgb(30, 58, 95); border-radius: 6px; background-color: #ffffff; margin-right: 12px;\"\u003e\n\u003cb\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0613\/5188\/6982\/files\/OTEC_ATS_Spec_Sheet_2.pdf?v=1784205331\" target=\"_blank\" rel=\"noopener\"\u003eOTEC_ATS_Spec_Sheet_2\u003c\/a\u003e\u003c\/b\u003e\u003c\/span\u003e\n\u003cspan style=\"display: inline-flex; align-items: center; font-size: 15px; padding: 12px 24px; border: 2px solid rgb(30, 58, 95); border-radius: 6px; background-color: #ffffff;\"\u003e\n\u003cb\u003e\u003ca href=\"https:\/\/s1.img-b.com\/build.com\/mediabase\/specifications\/cummins\/2116209\/cummins-a075f137-specification-sheet.pdf\" target=\"_blank\" rel=\"noopener\"\u003ecummins-a075f137-specification-sheet\u003c\/a\u003e\u003c\/b\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003c!-- Lead Time --\u003e\n\u003cdiv style=\"background-color: #1e3a5f; padding: 24px 40px; margin-top: 24px; border-radius: 6px; text-align: center;\"\u003e\n\u003cp style=\"margin: 0; color: #ffffff; font-size: 16px;\"\u003e\u003cspan style=\"font-weight: bold; color: #4ade80;\"\u003e● Available\u003c\/span\u003e \u003cspan style=\"margin: 0 16px; color: #7a9cc7;\"\u003e|\u003c\/span\u003e \u003cspan style=\"font-weight: 400;\"\u003eContact PES to confirm freight, delivery timing, and compatibility before final order\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 12px 0 0 0; color: #b8c7d6; font-size: 14px;\"\u003eLarge generator, transfer switch, and warranty items may have extended lead times\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":41763019227270,"sku":"PES-PA-ELC-1477","price":3652.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/5188\/6982\/files\/Cummins_OTEC.png?v=1763754608","url":"https:\/\/www.portlandiaelectric.supply\/products\/cummins-otec-225-3ph-automatic-transfer-switches","provider":"Portlandia Electric Supply","version":"1.0","type":"link"}