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Reliance Controls

A510C Pro/Tran2 50-Amp 10-Circuit 2 Manual Transfer Switch

  • Based on 405 reviews
Condition: New
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Availability: In Stock.
Fulfilled by MaxTool
Arrives Wednesday, Sep 10
Order within 18 hours and 57 minutes
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Features

  • Includes full manufacturer warranty
  • Includes full manufacturer warranty
  • Includes full manufacturer warranty
  • Includes full manufacturer warranty
  • Includes full manufacturer warranty

Description

A510C Features: -Pro/Tran 2 series is UL listed to UL standard 1008 and is suitable for use in accordance with article 702 of the national electrical code ANSI/NFPA 70. -Made in the USA. Country of Manufacture: -United States. Product Type: -Transfer switch cover. Hardware Finish: -Painted steel cabinet. Finish: -Steel. Dimensions: Overall Height - Top to Bottom: -11.25". Overall Width - Side to Side: -11.75". Overall Depth - Front to Back: -4.5". Overall Product Weight: -19 lbs.

Operation Mode: Manual


Current Rating: 50 Amps


Operating Voltage: 240 Volts


Contact Type: Normally Open


Connector Type: Screw Terminal


Brand: Reliance Controls


Terminal: Normally Open


Item dimensions L x W x H: 11.75 x 4.5 x 11 inches


Circuit Type: mixed (single-pole and double-pole)


Actuator Type: Hinge Lever


Product Dimensions ‏ : ‎ 11.75 x 4.5 x 11 inches; 18 Pounds


Item model number ‏ : ‎ A510C


Date First Available ‏ : ‎ May 27, 2015


Manufacturer ‏ : ‎ Reliance Controls


Best Sellers Rank: #71,536 in Patio, Lawn & Garden (See Top 100 in Patio, Lawn & Garden) #35 in Outdoor Generator Transfer Switches


#35 in Outdoor Generator Transfer Switches:


Customer Reviews: 4.5 4.5 out of 5 stars 405 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Sep 10

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Bought thi one for a friend.
Bought this for a friend. Great product. Installed in under 2 hours. This is a must if you have a portable generator in a hurricane prone area like Florida. It works great. Good value.
Reviewed in the United States on July 26, 2025 by David Kirk
    • Quality brand and happy to pay a bit more for it
Good quality and instructions are clear. Uses square D breakers and instructions come with a replacement parts list. On the expensive side of switches but the quality is great. The flexible conduit is a bit tight for all the wires on the 10 switch model but they can be pulled through. Installed and testing went well. ... show more
Reviewed in the United States on July 7, 2025 by Amazon Customer
    • Would recommend
Great box. Built well and instructions are easy to follow.
Reviewed in the United States on June 23, 2025 by Amazon Customer
    • Cannot imagine a better designed Transfer Switch.
Review Image by curlgary curlgary
I installed flush mount recessed into sheet rock wall using trim kit, as photo shows: https://www.amazon.com/dp/B00REJVYYG?psc=1&ref=ppx_yo2ov_dt_b_product_details Very well built and well laid out to install yourself. Cables all labelled to match throw switches. Get a good layout of your house breakers before you begin, so you know which ones to run through the transfer switch. I removed the jumper for positions C&D and only used A&B for 220V. That left me 6 15 amp and 2 20 amp for other circuits. Will run everything I need plus bottom floor air and heat. Good videos on YouTube to install the Reliance Pro/Tran. Reliance Contral Products customer support is fantastic and quick. Had some questions, contacted them by email, and had answers the same day. Guenther handled my emails and was great to deal with. This is a super product, very well laid out, and very well made. Cable tails are plenty long to reach anywhere in the breaker box. I had to cut length off all of mine. Give this one a look if looking for a transfer switch. Mine will work from an outside portable generator. I ran 6-3 w/grd from the transfer switch to an outside wall plu,g to plug the generator in. Got great plug from Amazon also. It is also a Reliance Control Product: https://www.amazon.com/dp/B004HSO1JW?psc=1&ref=ppx_yo2ov_dt_b_product_details As you can see from photo I fixed a label under each transfer switch poooooosition showing the breaker number it was feeding. The only suggestion I would have to improve the box install is the have terminals to attach to for incoming wire from the gerator instead of have to splice with connectors, but was not a big issue. ... show more
Reviewed in the United States on February 9, 2023 by curlgary curlgary
    • solid unit, could be better
item well built and performed well. However, three things could be improved. first unit comes with no instructions or wiring diagram. Second, unit has two, 2-pole breakers, where 1-pole breaker would be better. Finally the flex conduit is extremely difficult to pull the numerous cable through
Reviewed in the United States on May 16, 2025 by z-man
    • Easy to install panel though 10AWG feed wires in panel
The transfer switch was easy to install. the feeding of wires through the flexible steel conduit was a bit of a challenge. Videos on the manufacture site were excellent. I wrote the manufacture when I connected my 6AWG wires to the red and black wires inside the transfer switch. The transfer switch uses 10AWG (red and black) for connection to your 6AWG wires for the 50Amp service to the switch. This counters my knowledge of using 6AWG copper wires for 50Amp circuits. The manufacture emailed me back and said NEC doesn't apply to wiring inside enclosures like the transfer switch. UL reviewed the switch and approved the wiring used for the 50AMP feed based upon temp rise of wires, the type of wires being used, and the fact it is inside an enclosure and not an inwall or conduit application. Here is what the manufacture said. "I had the same question when I came to work at Reliance Controls in Tech Support. Here is the answer. Wire in a Panel is rated differently than typical Conduit wiring as rated by the NEC. The wire size that is typically associated with 50-amp is 6-gauge or 8-gauge when using 75° C wire, but the wire size does not apply to internal wiring inside of panels. Wire rating is arbitrary, once that is understood, everything should make more sense. The NEC wire ratings are specific to specific conditions. There are all sorts of wire ratings based on insulation temperature, type of insulation, and whether it's in a conduit or an open space cabinet/enclosure. It is not true that 10-gauge wires are 30 amps, and 8-gauge wires are 40-amps, and 6-gauge wires are 50-amps. The attached table 310.15 (B) (16) in the NEC shows this. Even so, this table does not apply to factory build control panels; it is just setting forth rules for wiring circuits in buildings through conduit. Nor does the table refer to 10-gauge MTW wire that is rated for 105° C which is used in the Transfer Switches. 10-gauge wires can handle way more power than the NEC depicts in the table, as they want wiring in residential to be overrated. The wiring in our transfer switch is 10-AWG (105° C) MTW, but per the testing lab Underwriter's Laboratories (UL), none of these matters. They run very stringent heat rise tests with much higher amperages (for example, our 30-amp toggle switches must pass 60-amps for over 5,000 operations). The wire size in this transfer switch or other factory wired control panels that have testing lab certifications to a certain temperature rise unless there is a claim of a fraudulent marking for the certification. We have been passing 50-amps (plus) testing for nearly 20 years with 10-AWG 105° C wire, a lot has to do with the fact it's in an open enclosure versus in a conduit where the heat factor is much higher in a conduit. Now if you were running wire in a conduit between an inlet box and the transfer switch, that falls under applicable building codes, and different rules must apply (like using 8-AWG). But not in the transfer switch. " ... show more
Reviewed in the United States on January 12, 2024 by K. Kittinger

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