Nature's Generator 50A 12-Circuit vs Reliance Pro/Tran 2 510D

Last updated: October 31, 2026

The Nature's Generator 50A 12-Circuit is the better transfer switch overall, rated 3.5 to 3.4. The Nature's Generator 50A 12-Circuit leads on features, circuits and value. The Reliance Pro/Tran 2 510D costs $12.69 less ($467.30 vs $479.99).

Nature's Generator 50A 12-Circuit vs Reliance Pro/Tran 2 510D

Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every 50 A transfer switch; a clear win is highlighted. How we rank explains each one.

Factor weightNature's Generator 50A 12-CircuitReliance Pro/Tran 2 510D
Overall rating3.5/53.4/5
Value 35%66 $40 per circuit ($479.99, 12 circuits)55 $46.73 per circuit ($467.30, 10 circuits)
Circuits 25%60 12 circuits40 10 circuits
Features 20%50 inlet box included, UL listed25 UL listed
Warranty 20%50 warranty not published (neutral score used)100 5-year warranty

Specifications

Nature's Generator 50A 12-CircuitReliance Pro/Tran 2 510D
Switching
TypeManualManual
Circuits1210
Generator connection50 A50 A
Max generator-12,500 W
Voltage120/240 V120/240 V
Wattmeters-No
In the box
InletCS6375none (wire to a separate inlet box)
Inlet box includedYesNo
Generator cord includedYesNo
Build
Outdoor ratedNoNo
UL listedYesYes
Warranty-5 years

All transfer switch comparisons →