{"product_id":"cummins-ra-csa-400kw-ats","title":"Cummins RA CSA 400A SE Automatic Transfer Switch, 240V 1Ph, Part A066W927","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 RA 400 Integrated Amp NSE 240V 1-Phase Automatic Transfer Switch\u003c\/h2\u003e\n\u003cp style=\"color: #b8c7d6; font-size: 16px; margin: 0;\"\u003eA066W927 | RA CSA | 144 Half-Cell | Non-Bifacial | 240V System Voltage\u003c\/p\u003e\n=\"\"\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 A\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; color: #666; text-transform: uppercase; letter-spacing: 1px;\"\u003eMax Power Output\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;\"\u003e240V\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; color: #666; text-transform: uppercase; letter-spacing: 1px;\"\u003eModule Efficiency\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;\"\u003e1Ph\u003c\/div\u003e\n\u003cdiv style=\"font-size: 14px; color: #666; text-transform: uppercase; letter-spacing: 1px;\"\u003eN-Type TOPCon\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 A066W927 delivers reliable standby power for residential and light commercial applications. This RA CSA model operates at 240V with a single-phase configuration and supports up to 400 amps of continuous current. Designed specifically for Cummins Quiet Connect RS series generators, it ensures seamless power transition during utility failures. The unit meets UL 1008 and CSA C22.5 safety standards while adhering to NEC and NFPA requirements. Its outdoor-rated aluminum enclosure resists burning and pitting under harsh conditions. Installation is simplified through solderless screw-type terminals for external power connections. No homeowner action is required during automatic switching events. This automatic transfer switch monitors utility power continuously every day of the week. It signals the generator to start when utility power fails. The load transfers automatically to the generator source. When utility voltage returns, the switch reverts to normal power. This ensures uninterrupted power without manual intervention. The system includes UL 489 listed circuit breakers for service entrance rated versions. A powerful solenoid drives the mechanically interlocked contactor mechanism. Long-life silver alloy contacts resist burning and pitting over time. Solid bus bar connections exist between the breaker and transfer switch. Fully rated neutral and ground bars include bonding jumpers. Tin-plated copper ensures durability for ground and neutral bus bars. Adjustable voltage relay kits are available as accessories for brownout protection.\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;\"\u003eThe switch automatically transfers load when utility power fails without any homeowner action.\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 Ampacity Rating:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003eSupports continuous amperes up to 400A for robust residential and light commercial standby 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;\"\u003eOutdoor Durability:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003eNEMA Type 3R rated aluminum enclosure resists burning, pitting, and harsh environmental conditions.\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;\"\u003eSimplified Installation:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003eSolderless screw-type terminals enable quicker and easier external power connections for outdoor setups.\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;\"\u003eSafety Compliance:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003eListed to UL 1008 and CSA C22.5 while meeting NEC and NFPA safety requirements for transfer switches.\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 RA Series automatic transfer switch monitors utility power 24 hours a day and 7 days a week continuously. When utility power fails, the generator set is signaled to start immediately. The switch then automatically transfers the electrical load to the generator source. This process requires no action from the homeowner during the entire event. When utility voltage returns to normal levels, the transfer switch switches the load back. The load moves from the generator source to the utility power source automatically. This open transition ensures clean switching between normal and emergency power sources. The system uses independent break-before-make action for reliable operation. Mechanical interlocks prevent simultaneous closing of normal and emergency contacts. Electrical interlocks stop simultaneous closing signals through control wiring. Long-life contacts are mechanically held in both positions for reliability. A powerful solenoid drives the entire mechanically interlocked contactor mechanism. Multiple leaf arc chutes cool and quench arcs during interruption. Barriers prevent interphase flashover during high voltage events. Solid bus bars connect the circuit breaker to the transfer switch securely. Fully rated neutral and ground bars include bonding jumpers for safety. Tin-plated copper ground and neutral bus bars resist corrosion over time. Adjustable voltage relay kits provide additional brownout load protection when needed.\u003c\/p\u003e\n\u003c!-- Repeat for each mechanism (min 3 - each detail min 2 sentences) --\u003e\n\u003cdiv style=\"margin-bottom: 16px;\"\u003e\n\u003cp style=\"margin: 0;\"\u003e\u003cspan style=\"font-weight: bold; color: #1e3a5f;\"\u003eUtility Monitoring:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003eThe switch monitors utility power continuously every day of the week without interruption. It detects voltage failures instantly to trigger generator startup signals.\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;\"\u003eWhen utility power fails, the generator starts and the load transfers automatically to emergency power. No homeowner action is required during this critical switching process.\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;\"\u003eReturn to Utility Power:\u003c\/span\u003e \u003cspan style=\"color: #444;\"\u003eWhen utility voltage returns, the switch automatically switches the load back to normal power. This ensures seamless restoration without manual intervention from the user.\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\u003c!-- Repeat for each spec row --\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;\"\u003eA066W927\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;\"\u003eRA CSA\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;\"\u003e240VAC, Single Phase, 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;\"\u003eAmperage Rating\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003e400 A continuous amperes\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\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003e1Ph (Single 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;\"\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003eNEMA Type 3R Rated Aluminum\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;\"\u003eTransfer Mechanism\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003eOpen Transition, Break-Before-Make\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;\"\u003eSilver Alloy (High Pressure)\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;\"\u003eCircuit Breakers\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003eUL 489 Listed\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;\"\u003eAuxiliary Contacts\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003eTwo contacts: 5A at 100 Vac or 2.5A at 200 Vac\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;\"\u003eNeutral Bar\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003eFull Current-Rated Standard\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;\"\u003eGround Bar\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #444; background-color: #ffffff;\"\u003eTin Plated Copper, Fully Rated\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, CSA C22.5, NEC Compliant, NFPA Compliant\u003cbr\u003e\n\u003cspan style=\"font-weight: 600;\"\u003eInverter Compatibility:\u003c\/span\u003e Integrated with Cummins Quiet Connect RS series generators\u003cbr\u003e\n\u003cspan style=\"font-weight: 600;\"\u003eEnvironmental:\u003c\/span\u003e NEMA Type 3R Rated for Outdoor Use\u003cbr\u003e\n\u003cspan style=\"font-weight: 600;\"\u003eWarranty:\u003c\/span\u003e 2 Year Limited including Parts \u0026amp; Labor\n\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- Documentation (skip if no PDF URL) --\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\/Cummins-A064G549-Transfer-Switch-Spec-Sheet.pdf?v=1784146226\" 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 PES for freight, lead time, and compatibility confirmation before final order\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Cummins","offers":[{"title":"Default Title","offer_id":43554621882502,"sku":"PES-PA-ELC-A066W927","price":4299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/5188\/6982\/files\/RA_ATS__35953.jpg?v=1784136050","url":"https:\/\/www.portlandiaelectric.supply\/products\/cummins-ra-csa-400kw-ats","provider":"Portlandia Electric Supply","version":"1.0","type":"link"}