Cummins Onan 200 AMP Automatic Transfer Switch Single-Phase For RS/RX Generators
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Description
Cummins Onan 20KW Home Standby Generator Quiet Connect A071Z397
SKU: CMGA064G376
The Cummins RA Series 200‑Amp Automatic Transfer Switch is engineered to provide seamless and reliable power transfer for residential and light commercial standby systems.
Specifically designed for Cummins RS and RX series generators, this transfer switch ensures that your home or business remains powered during utility interruptions.
Built with a versatile design, it is suitable for both indoor and outdoor installations thanks to its NEMA 3R aluminum enclosure.
The unit continuously monitors utility power and automatically signals the generator to start when power becomes unsatisfactory or fails.
Once utility power is restored, the load is automatically transferred back, ensuring uninterrupted operation.
The mechanically interlocked contactor is designed for long life, with silver alloy contacts that resist burning and pitting.
A powerful and economical solenoid drives the mechanism, ensuring dependable performance. Ease of connection is achieved through solderless screw‑type terminals, simplifying installation.
Rated at 200 amps at 240 volts, this transfer switch is built to handle demanding residential and light commercial applications. Certified by UL and backed by Cummins warranty assurance, it provides confidence in long‑term reliability.
This introduction highlights the essential qualities that make the Cummins RA Series 200‑Amp Automatic Transfer Switch a trusted solution for dependable standby power systems.
Key Benefits & Advanced Features
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200 Amp Capacity supports residential and light commercial systems
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Single Phase Operation ensures compatibility with RS and RX generators
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Automatic Monitoring of utility power 24/7
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Seamless Power Transfer when utility power fails
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NEMA 3R Enclosure suitable for indoor and outdoor installation
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Durable Aluminum Housing for long‑term protection
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Mechanically Interlocked Contactor ensures safe operation
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Silver Alloy Contacts resist burning and pitting
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Economical Solenoid Drive for reliable mechanism operation
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Ease of Connection with solderless screw terminals
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UL Certification ensures compliance with safety standards
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Versatile Design for residential and light commercial use
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Reliable Cummins Engineering trusted brand reputation
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Compact Dimensions for easier installation
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Warranty Coverage provides peace of mind
Detailed Technical Specifications
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Model: Cummins RA Series 200‑Amp Automatic Transfer Switch
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Application: Residential and light commercial standby systems
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Generator Compatibility: Specifically designed for Cummins RS and RX series generators
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Transfer Switch Style: Standard installation
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Voltage: 120 / 240V
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Frequency: 60 Hz
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Electrical Phases: Single phase
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Maximum Generator Input: 200A
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Maximum Utility Input: 200A
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Enclosure Material: NEMA 3R aluminum
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Installation: Indoor or outdoor
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Contactor: Mechanically interlocked with silver alloy contacts
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Drive Mechanism: Powerful and economical solenoid
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Terminals: Solderless screw type for external connections
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Product Weight: 46 lbs
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Width: 18‑3/16 in
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Height: 7‑3/8 in
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Certifications: UL certified
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Warranty: 1 year
Ideal Applications
The Cummins RA Series 200‑Amp Automatic Transfer Switch is ideal for residential standby systems requiring reliable power transfer.
It is also suitable for light commercial applications where uninterrupted power is essential. Its versatile design allows installation indoors or outdoors, making it adaptable to different environments.
Homeowners and businesses relying on Cummins RS or RX series generators will find this transfer switch an essential component for dependable backup power.
Real‑World Performance & User Experiences
Users report consistent performance with the Cummins RA Series 200‑Amp Automatic Transfer Switch. Its automatic monitoring ensures seamless power transfer during outages.
The durable aluminum enclosure provides protection in outdoor installations. The mechanically interlocked contactor and silver alloy contacts contribute to long service life. Real‑world experiences highlight its reliability and ease of installation.
Comparison with Similar Generators
Compared to lower‑capacity transfer switches, the Cummins RA Series 200‑Amp model offers higher amperage support, making it suitable for larger residential and light commercial systems.
Its NEMA 3R aluminum enclosure distinguishes it from less durable alternatives. Cummins engineering and UL certification provide added assurance compared to generic models.
Step‑by‑Step Setup Guide
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Select installation location indoors or outdoors
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Prepare mounting area for secure installation
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Position transfer switch enclosure
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Connect utility power supply to terminals
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Connect generator input to designated terminals
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Verify solderless screw connections are secure
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Confirm compliance with local codes and standards
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Perform initial system checks
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Test automatic monitoring functionality
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Verify seamless transfer between utility and generator power
Maintenance Schedule & Tips
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Perform regular visual inspections of enclosure
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Check solderless screw terminals for secure connections
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Inspect contactor for wear or damage
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Clean exterior surfaces to prevent debris buildup
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Schedule professional servicing annually
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Monitor performance during utility outages
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Replace worn components as needed
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Review manufacturer guidelines for maintenance intervals
Long‑Term Cost of Ownership Analysis
The Cummins RA Series 200‑Amp Automatic Transfer Switch offers durable construction and reliable performance, reducing long‑term replacement costs.
Its efficient solenoid drive and silver alloy contacts contribute to extended service life. UL certification and Cummins warranty provide added value. Overall, the transfer switch delivers cost‑effective ownership for residential and light commercial users.
Warranty
The Cummins RA Series 200‑Amp Automatic Transfer Switch includes a 1‑year warranty. This coverage ensures protection against defects and reflects Cummins’ commitment to quality and reliability.
Frequently Asked Questions
Q: What is the amperage rating of this transfer switch? A: 200 amps.
Q: Is it suitable for outdoor installation? A: Yes, NEMA 3R aluminum enclosure allows indoor or outdoor use.
Q: Which generators is it compatible with? A: Specifically designed for Cummins RS and RX series generators.
Q: What certifications does it have? A: UL certified.
Q: What warranty coverage is provided? A: 1 year.
Final Verdict
The Cummins RA Series 200‑Amp Automatic Transfer Switch is a reliable, durable, and efficient solution for residential and light commercial standby systems.
With automatic monitoring, seamless power transfer, and versatile installation options, it ensures uninterrupted operation.
Backed by Cummins engineering and UL certification, it provides confidence in long‑term performance. Homeowners and businesses seeking dependable backup power will find this model an excellent choice.
