{"product_id":"cummins-otec-400-amp-480v-3ph-automatic-transfer-switch","title":"Cummins OTEC 400 Amp NSE 480V 3ph Automatic Transfer Switches - A075F132","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 A075F132 400 Amp 480V 3-Phase Automatic Transfer Switch\u003c\/h2\u003e\n\u003cp style=\"color: #b8c7d6; font-size: 16px; margin: 0;\"\u003eA075F132 | Open Transition | 3-Pole Solid Neutral | Non-Bifacial | 600V 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;\"\u003e400 Amp\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; color: #666; text-transform: uppercase; letter-spacing: 1px;\"\u003eMax Current 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;\"\u003eOperating Voltage\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;\"\u003e3Ph\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; color: #666; text-transform: uppercase; letter-spacing: 1px;\"\u003e3-Phase Config\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 automatic transfer switch A075F132 delivers reliable power management for critical standby applications. This OTEC model is engineered to handle 400 amps at 480 volts across a 3-phase configuration. It ensures seamless transitions between primary utility power and generator backup sources during emergencies. The open transition design prevents momentary parallel connections between power sources for enhanced safety. Industrial facilities rely on this robust switch to maintain operations when grid power fails unexpectedly. Its compact enclosure protects internal components from environmental stress and electrical hazards. PES recommends confirming all voltage, amperage, and freight details before finalizing your purchase order. This switch supports generator monitoring, startup signaling, and automatic load transfer functions efficiently. It is rated for voltages up to 600 VAC at 50 or 60 Hz frequencies. The solid neutral pole configuration simplifies wiring in standard three-phase electrical systems. Long-term reliability is achieved through durable construction and precision engineering by Cummins Inc.\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;\"\u003eSeamless Power Transition:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003eAutomatically switches loads from utility to generator power without manual intervention during grid failures.\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;\"\u003eHigh Current Capacity:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003eSupports heavy industrial loads with a 400-amp rating suitable for large commercial electrical systems.\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;\"\u003eGenerator Monitoring:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003eContinuously monitors primary and generator power sources to detect failures and initiate startup signals.\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;\"\u003ePrevents dangerous parallel connections between power sources by ensuring complete disconnection before switching.\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;\"\u003eDurable Enclosure Design:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003eProtects internal components from dust, moisture, and physical damage in harsh industrial environments.\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 A075F132 automatic transfer switch operates by continuously monitoring both utility and generator power sources. When utility power fails or drops below acceptable levels, the switch detects this condition immediately. It then signals the connected generator to start and wait for stable output voltage and frequency. Once the generator reaches operational stability, the switch transfers the electrical load from utility to generator power. This open transition process ensures no momentary overlap between the two power sources. When utility power returns and stabilizes, the switch automatically retransfers the load back to the primary source. The generator then cools down and shuts off after a preset cooldown period. This cycle ensures uninterrupted power availability for critical systems and equipment.\u003c\/p\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cspan style=\"font-weight: bold; color: #1e3a5f;\"\u003ePower Source Monitoring:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003eThe switch constantly measures voltage and frequency on both utility and generator inputs. It detects failures instantly and triggers the appropriate response sequence.\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 a start command to the generator. It waits for stable output before proceeding with load transfer.\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;\"\u003eAutomatic Load Transfer:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003eThe switch disconnects from utility power completely before connecting to generator power. This open transition prevents dangerous parallel conditions.\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;\"\u003eA075F132\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 Series\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;\"\u003eAmperage Rating\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003e400 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 (Rated up to 600VAC)\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 (3Ph)\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 Solid Neutral\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;\"\u003eFrequency Rating\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003e50 or 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;\"\u003eApplication Type\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003eStandby Power Systems\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;\"\u003eMaximum Amp Range\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003e40 to 1200 Amps (Series)\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 Rated for 600 VAC industrial applications per Cummins standards\u003cbr\u003e\n\u003cspan style=\"font-weight: 600;\"\u003eInverter Compatibility:\u003c\/span\u003e Compatible with standard 3-phase generator systems and utility inputs\u003cbr\u003e\n\u003cspan style=\"font-weight: 600;\"\u003eEnvironmental:\u003c\/span\u003e Enclosed design protects against dust and moisture in industrial environments\u003cbr\u003e\n\u003cspan style=\"font-weight: 600;\"\u003eWarranty:\u003c\/span\u003e Contact PES for specific warranty terms and coverage details on this transfer switch\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;\"\u003e\n\u003cb\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0613\/5188\/6982\/files\/S-1639_OTEC_SPEC_C_6.pdf?v=1784211383\" target=\"_blank\" rel=\"noopener\"\u003eProduct Datasheet (PDF)\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 us for lead time and pricing\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"margin: 8px 0 0 0; color: #b8c7d6; font-size: 14px;\"\u003eLarge generator, transfer switch, and warranty items may have extended lead times. PES confirms freight, delivery timing, and compatibility before fulfillment.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":41763023159430,"sku":"PES-PA-ELC-1485","price":6139.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/5188\/6982\/files\/Cummins_OTEC_400_Amp.png?v=1763756087","url":"https:\/\/www.portlandiaelectric.supply\/products\/cummins-otec-400-amp-480v-3ph-automatic-transfer-switch","provider":"Portlandia Electric Supply","version":"1.0","type":"link"}