An affordable 50 A Reliance switch for a large generator that only needs to run a few heavy circuits.
Amazon $348.10The Reliance Pro/Tran 2 506C rates 3.0 among 50 A transfer switchs; the Nature's Generator 120V 30A 6-Circuit rates 3.0 among 30 A ones. The Nature's Generator 120V 30A 6-Circuit costs $68.11 less ($279.99 vs $348.10).

A 120 V switch for a power station or small generator without a 240 V outlet. Skip it if you need to run any 240 V appliance.
Amazon $279.99Prices 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.
Scores side by side
These two sit in different rating classes (50 A and 30 A), and each is scored against the reference points for its own class, so a rating says how well each does among its own rating peers. How we rank explains each factor.
| Factor weight | Reliance Pro/Tran 2 506C | Nature's Generator 120V 30A 6-Circuit |
|---|---|---|
| Overall rating | 3.0/5 | 3.0/5 |
| Value 35% | 39 $58.02 per circuit ($348.10, 6 circuits) | 55 $46.66 per circuit ($279.99, 6 circuits) |
| Circuits 25% | 0 6 circuits | 33 6 circuits |
| Features 20% | 50 wattmeters, UL listed | 25 UL listed |
| Warranty 20% | 100 5-year warranty | 50 warranty not published (neutral score used) |
Specifications
| Reliance Pro/Tran 2 506C | Nature's Generator 120V 30A 6-Circuit | |
|---|---|---|
| Switching | ||
| Type | Manual | Manual |
| Circuits | 6 | 6 |
| Generator connection | 50 A | 30 A |
| Max generator | 12,500 W | - |
| Voltage | 120/240 V | 120 V |
| Wattmeters | Yes | - |
| In the box | ||
| Inlet | none (wire to a separate inlet box) | L5-30 on the switch |
| Inlet box included | No | No |
| Generator cord included | No | Yes |
| Build | ||
| Outdoor rated | No | No |
| UL listed | Yes | Yes |
| Warranty | 5 years | - |