Reliance Pro/Tran 2 510D
#4 in 50 AFull review
A plain 10 circuit 50 A switch for a large generator. Choose it over meter models only when price matters most.
Amazon $467.30$467.30
The Reliance Pro/Tran 2 510D is the better transfer switch overall, rated 3.4 to 3.1. The Reliance Pro/Tran 2 510D leads on value. The Jackery Smart Transfer Switch wins on circuits. The Reliance Pro/Tran 2 510D costs $531.70 less ($467.30 vs $999).
Jackery Smart Transfer Switch
#6 in 50 AFull review
A seamless automatic switch for owners of Jackery’s big power stations. Not usable with a gas generator or other brands.
Amazon $999 Jackery $1,159$999
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?
- Choose the Reliance Pro/Tran 2 510D for value ($46.73 per circuit ($467.30, 10 circuits) vs $83.25 per circuit ($999, 12 circuits)).
- Choose the Jackery Smart Transfer Switch for circuits (12 circuits vs 10 circuits).
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 weight | Reliance Pro/Tran 2 510D | Jackery Smart Transfer Switch |
|---|---|---|
| Overall rating | 3.4/5 | 3.1/5 |
| Value 35% | 55 $46.73 per circuit ($467.30, 10 circuits) | 13 $83.25 per circuit ($999, 12 circuits) |
| Circuits 25% | 40 10 circuits | 60 12 circuits |
| Features 20% | 25 UL listed | 25 wattmeters |
| Warranty 20% | 100 5-year warranty | 100 5-year warranty |
Specifications
| Reliance Pro/Tran 2 510D | Jackery Smart Transfer Switch | |
|---|---|---|
| Switching | ||
| Type | Manual | Automatic |
| Circuits | 10 | 12 |
| Generator connection | 50 A | 60 A |
| Max generator | 12,500 W | 14,400 W |
| Voltage | 120/240 V | 120/240 V |
| Wattmeters | No | Yes |
| In the box | ||
| Inlet | none (wire to a separate inlet box) | Jackery power station cable |
| Inlet box included | No | No |
| Generator cord included | No | Yes |
| Build | ||
| Outdoor rated | No | No |
| UL listed | Yes | - |
| Weight | - | 25.6 lb |
| Warranty | 5 years | 5 years |