Have you ever been plugged into a campground power pole, only to have your RV’s electrical system fail right when you needed it most? Nothing ruins a perfect weekend getaway faster than flickering lights, a dead refrigerator, or a malfunctioning air conditioner. For many RV owners, the silent hero behind the scenes is the 50-amp Automatic Transfer Switch (ATS). This small but mighty device acts as the brain of your rig, safely switching between shore power and your generator without you ever lifting a finger.
Choosing the right switch can feel overwhelming. The market is flooded with different brands, varying safety features, and complex wiring requirements. Many owners worry about buying a unit that lacks proper surge protection or fails under a heavy load. You might wonder if you are getting a reliable product or just an expensive piece of hardware that will break after one season. Making the wrong choice can lead to costly repairs or even dangerous electrical fires.
In this guide, we will clear up the confusion. You will learn exactly how these switches work, what key safety features you cannot afford to skip, and how to pick the best model for your specific rig. We have broken down the technical jargon into simple, actionable steps to help you shop with confidence. Let’s dive into the details so you can get back to enjoying the open road with total peace of mind.
Top Rv 50 Amp Automatic Transfer Switch Recommendations
- [UNIVERSAL FIT] Fit type: universal fit. If you are using public power and it goes out, when the generator is turned on it will automatically switch the power to it. The green light is in an active state.
- [FUNCTION] Time delay circuit board ensures generator voltage is at a stable level before transfer occurs. Automatically senses generator power and prevents two power sources from entering the AC distribution panel at the same time.
- [SPECIFICATION] 120/240 VAC, 50 Amp.
- [EASY TO USE] Easy-to-remove protective cover with wiring schematic inside. This automatic transfer switch has a 30 second selectable delay with quick-connect terminals for easy installation.
- [NOTICE] For any reason, if you are not satisfied with your purchase, contact us directly.
- TRC SURGE GUARD AUTOMATIC TRANSFER SWITCHES
- Permanently install Surge Guard protection in your RV
- Protects RV bumper to bumper from faulty park power
- Benefits of a transfer switch are a plus for some RV owners; mechanical interlocking contactors, time delay at power up, Transfers to generator power automatically when energized after 30 second delay
- Time delay at power up. Connection type: Screw terminals
- Mechanical interlocking contactors
- Generator dominant
- 120/240 Volt, 50A
- Frequency: 60 Hz
- Safe and Automatic Transfer Switch - Furrion’s 50amp Automatic Transfer Switch has a built-in safe switch interlock system and is used to automatically switch between two separate 125 /250 volt AC power sources. These power sources can be from a Generator, shore power cord or inverter
- Avoid Over-voltage - Provides an added feature of a mechanical interlock between contractors to ensure both contactors cannot be closed in parallel, preventing overvoltage on the output line.Casing Material: UL 94 Fireproof Plastic
- Time Delay - Once AC power from the Generator is sensed by the transfer switch at Input 2 terminals, it will start a timer and automatically switch over to generator power supply after a 20-30 sec delay which ensures the generator has sufficient time to run up to speed before electrical load is applied.
- Durable & Reliable: Designed with Furrion's proprietary VibrationSmart and ClimateSmart technologies, this ATS is built to withstand constant vibrations & extreme temperatures. Solid brass terminals are used to increase conductivity and reduce heat and are Nickel plated for corrosion resistance.
- Highest Safety Standards - The Automatic Transfer Switch comes in a UL94 Flame retarded enclosure and is certified to UL Standards UL1008.
- NEW GENERATION: Our generator's automatic transfer switch is configured to prioritize generator power. It automatically switches to utility power when the generator stops running. When the generator restarts, the green light indicates that the generator power is active. Additionally, the switch continuously monitors the utility power status. In the event of a utility power outage, the generator will start automatically, requiring no extra wiring on your part, providing exceptional convenience
- DELAY CIRCUIT PROTECTION FUNCTION: When switching to the generator power supply, the built-in MCU precise control circuit is connected with a delay of 20s, so that the generator voltage is maintained at a stable level and then transmitted. Double protection of mechanical interlocks and control circuits prevents two power sources from entering the AC distribution board at the same time and causing a short circuit
- DURABLE ENCLOSURE: The coating process used on the surface of our products can be waterproof, rust-proof and anti-corrosion.The waterproof level can reach ip65, which can effectively prolong the service life of the product so that it's very durable
- EASY TO INSTALL: Our products have simple installation steps, easy-to-remove protective cover with wiring diagram inside,and the internal copper wiring is more concise and durable
- WIDE APPLICATION: 120/240 VAC, 50 Amps. It can be applied to RVs, speedboats, and various high-power equipment that requires emergency power supply
- Part Number: PM3-50 Specifications RV
- Input Voltage: 120 VAC, 60Hz Input Current: 50A Voltage Output: 120 VAC, 60Hz Output Current: 50A Shore Power Input: YES
- Other Keywords Related To This Product: "( 50 amp rv transfer switch WFCO T-57 WFCO Iota ITS-50R Iota PD52V Progressive Go Dynamics Power Go Power TS-50 Furrion F50-ATS Furrion PMTS-50 ) "
- 【FUNCTION】: After starting the onboard generator or backup power source, power is automatically switched to AC appliances. Seamlessly integrates inverters, shore power, and generators for reliable power management
- 【MATERIAL】: Made of Galvanized, waterproof, rust-proof, and corrosion-resistant coating technology effectively extends product lifespan for long-lasting durability
- 【EASY INSTALLATION】: Simple installation steps, pre-wired, easy-to-remove protective cover with wiring diagram inside
- 【DELAY DESIGN】: Features a time delay of 20-45 seconds to allows the generator voltage to stabilize
- 【DOUBLE PROTECTION】: Double protection of mechanical interlocks and control circuits prevents two power sources from entering the AC distribution board at the same time and causing a short circuit
- 2 x 110/220Vac Inputs
- 1 x 110/20Vac Output
- 50 Amp service
- 5 Knock out holes
- 20 sec Time Delay On/off
The Ultimate Guide to Choosing a 50 Amp RV Automatic Transfer Switch
An Automatic Transfer Switch (ATS) acts as the brain of your RV’s electrical system. It manages the power flow between your shore power cord and your onboard generator. When you plug into a campsite, the ATS detects the electricity and safely switches the load. This prevents power surges and keeps your appliances running smoothly.
Key Features to Look For
When shopping for an ATS, prioritize safety and automation. Look for units that feature “generator priority.” This ensures the generator takes over if both power sources are active. You should also look for a “time delay” feature. A 30-to-60-second delay protects your air conditioner compressor from rapid power cycling. Finally, ensure the unit is compatible with 50-amp systems to handle high-draw appliances like washers and dryers.
Important Materials
Durability matters when dealing with high voltage. High-quality switches use heavy-duty copper wiring lugs. These resist heat and corrosion better than cheaper alloys. Look for a sturdy, weather-resistant metal or reinforced plastic enclosure. The internal contactors should be made of silver-cadmium or similar conductive materials to prevent pitting over years of use.
Factors That Improve or Reduce Quality
Quality is often defined by the “contactors.” High-quality units use oversized contactors that handle heat well. They also include surge protection modules. Units without surge protection leave your electronics vulnerable to lightning strikes or park power spikes. Conversely, poor-quality units often use plastic housings that crack under vibration. Avoid switches with loose internal wiring, as these cause dangerous arcing during travel.
User Experience and Use Cases
For most RV owners, the best ATS is a “set it and forget it” device. If you frequent campgrounds with varying power quality, an ATS with built-in surge protection improves your experience significantly. It saves you from buying extra plug-in monitors. If you boondock often, prioritize a switch with a fast, quiet transition so your lights do not flicker when you toggle the generator.
10 Frequently Asked Questions
Q: Do I really need an automatic switch?
A: Yes, if you have a built-in generator. It prevents you from manually plugging and unplugging heavy cables.
Q: Can I install an ATS myself?
A: Only if you have experience with high-voltage electrical work. Otherwise, hire a professional to ensure safety.
Q: What is the main benefit of a 50-amp ATS?
A: It allows you to run multiple high-draw appliances, like two air conditioners, at the same time.
Q: Does an ATS protect my RV from bad park power?
A: Only if the unit includes integrated surge protection. Standard switches only manage the power source.
Q: Why does my ATS click when I plug into shore power?
A: That sound is the internal relay engaging. It is a normal part of the transfer process.
Q: What happens if the ATS fails?
A: You will likely lose power to your coach. Always carry a spare if you are on a long, remote trip.
Q: Is a metal case better than a plastic one?
A: Metal cases provide better heat dissipation and protection against physical impact.
Q: Can a 50-amp ATS work with a 30-amp RV?
A: No. You must match the switch to your RV’s electrical panel rating.
Q: How long should a quality ATS last?
A: A well-maintained unit should last for many years, often exceeding 10 years of regular use.
Q: Should I turn off my appliances before the switch transfers power?
A: It is good practice. Turning off heavy loads reduces the wear and tear on the switch’s contactors.