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  • Progressive Dynamics (PD52V) 50 Amp Automatic Transfer Relay System
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Progressive Dynamics (PD52V) 50 Amp Automatic Transfer Relay System

14 customer reviews
| 4 answered questions

List Price: $239.95
Price: $148.28 & FREE Shipping. Details
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  • Progressive Dynamics RV and Marine Automatic Transfer Relay System
  • 120 Volt AC, 50 Amp
  • Generator to shore power automatic transfer relay system features: Heavy duty relays to prevent contact damage during high current transfer operation
  • Quick change replaceable circuit board
  • Protective cover easily snaps on or off
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15 new from $139.00 1 used from $118.62
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$148.28 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com in easy-to-open packaging.

Frequently Bought Together

Progressive Dynamics (PD52V) 50 Amp Automatic Transfer Relay System + Camco 55255 50 AMP PowerGrip Replacement Plug
Price for both: $163.30

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Product Information

Technical Details
BrandProgressive International
Item Weight5.5 pounds
Product Dimensions14.2 x 10.9 x 5.5 inches
Item model numberPD52V
Manufacturer Part NumberPD52V
  
Additional Information
ASINB003VAWNVK
Best Sellers Rank #84,512 in Automotive (See top 100)
Shipping Weight7.9 pounds (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First AvailableAugust 15, 2010
  
Warranty & Support
Warranty, Parts: Parts

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
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Product Description

Progressive Dynamics RV and Marine Automatic Transfer Relay System. 120 Volt AC, 50 Amps. Generator to shore power automatic transfer relay system features: Heavy duty relays to prevent contact damage during high current transfer operation. Quick change replaceable circuit board. Time delay circuit board ensures generator voltage is at proper level before transfer occurs. Built-in strain reliefs for easy installation. Protective cover easily snaps on or off.


Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

4 of 4 people found the following review helpful By .Western on June 15, 2014
Verified Purchase
Exact one that came in our 2008 Heartland toy hauler and common in many RV/5thwheels. Wires up just the yway you take out the old one. 1 positive and one neg on the front by the fuses (which where included) then the ground goes on the back. Switches wired up identically in the case. Hardest part was removing and installing the heavy wire used for 50a. I used paper and pen to make a quick diagram of the old wire ocation in case I was called away from the replacement. Took 45 mins in a cramped spot.
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3 of 3 people found the following review helpful By Jon on August 13, 2013
Verified Purchase
i had my transfer switch burn out one leg on my a class rv i was able to bypass the switch until the new one was deliverd. i replaced the switch in omly about an hour and its working great. this is not a job for the novice but if you have a resonable understanding of A/C current and wiring you should have no issues. just be sure to turn all power to the switch
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2 of 2 people found the following review helpful By taken on July 8, 2015
This switch may be fine for an installation other than in an RV, but if you value silence, LOOK ELSEWHERE. This is an AC contactor type transfer switch which by nature has a hum to it. However, Progressive took the hum to a new level by using 50Hz coils in it despite the US power grid running at 60Hz. This makes for an even louder hum. If it's really buried in the RV's basement you might get by with it but if it's anywhere near your living space the noise will make you crazy. There are other brands out there but your 100% best bet is a different type of transfer switch all together. There is a switch called a DC relay type switch which is completely silent. I went from the PD52 to a ESCO LPT50BRD and the silence is deafening! It is a touch more expensive but can be found for $155 delivered on sites other than Amazon as of 7-8-2015. ESCO sells them direct for $169.
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2 of 2 people found the following review helpful By L W Louisville KY on December 8, 2013
Verified Purchase
I matched exactly for the one that went out in my 5th Wheel Travel Trailer. I would recommend this to anyone replacing a similar unit.
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1 of 1 people found the following review helpful By Andrew J. Hartridge on October 2, 2014
Purchased as part of a solar "grid fall back" system. Worked exactly as advertised. One thing to be aware of - the relays remain energized to maintain either of the sources. This concerns be as I am sure there will come a point were the relay fails (after being energized 24X7) and will thus not default to either source. I emailed tech support on this and they informed me (within about 2 hours ! great response time) that if you physically depressed the relay "pop out" it would still engage the relay connectors. So I just need to find a way that, in an emergency failure situation, I can hold the relay pop out down. If the device had defaulted to one of the sources, I would have given it 5 stars.
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Verified Purchase
I purchased this switch to replace the one in my RV that had stopped working. The installation was simple enough, though the pre-knocked out holes were too large so I had to use reducers. One difference I noticed is that on my old one, the default was shore power, where on this one the default is the generator. I don't think it really makes a difference, but thought I would mention it.

Also, if the switch is connected to shore power and then the generator is started, (once the time delay is over) when power transfers from shore power to generator, there must be a brief moment where both the shore power and generator power are live, and it will blow the breakers on the generator and the shore power every time. In real life, I've never had a situation where I started the generator while connected to shore power, but in testing I had this happen, and then tried it again just to make sure. I did try the inverse, having the generator running and then plug into shore power. Since the generator is the default, it will continue using generator power. When the generator is turned off, it switches over to shore power without an issue.

Another thing to note. Technically, you should have the A/C units or any other high power items turned off when starting the generator. But in reality sometimes they were left running when power was disconnected. I have found that if both my A/C units were left on, and I start the generator, when the switch tries to engage the generator power, the relay fails to engage and it repeatedly tries to engage. If I turn off one (or both) A/C units, then the relay engages fine, and I can then turn the A/C units back on.
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By Frank on December 27, 2014
Verified Purchase
I had to replace the Transfer switch in my Motor home, after reading all of the information out there on the web regarding replacement Transfer switches I decided to go with the Progressive Dynamics PD52v 50 amp Transfer switch. I did the installation myself, the installation was pretty simple and while I was at it I did some major electrical clean-up. I re-routed a lot of wires and did a nice installation. While I was replacing the transfer switch I replaced the on-board battery charger too. They are both working perfectly with no problems.
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Progressive Dynamics (PD52V) 50 Amp Automatic Transfer Relay System
This item: Progressive Dynamics (PD52V) 50 Amp Automatic Transfer Relay System
Price: $148.28
Ships from and sold by Amazon.com