Reliance Pro/Tran 2 306CRK
#14 in 30 AFull review
The Pro/Tran 2 successor to the popular 31406CRK, with everything needed for a small backup setup. A good fit for a fridge, furnace and a few lights on a 30 A generator.
Amazon $345.71$345.71
The Reliance Pro/Tran 2 306CRK is the better transfer switch overall, rated 3.5 to 3.0. The Reliance Pro/Tran 2 306CRK leads on features. The Nature's Generator 120V 30A 6-Circuit wins on value. The Nature's Generator 120V 30A 6-Circuit costs $65.72 less ($279.99 vs $345.71).
Nature's Generator 120V 30A 6-Circuit
#20 in 30 AFull review
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 $279.99$279.99
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 306CRK for features (wattmeters, inlet box included, UL listed vs UL listed).
- Choose the Nature's Generator 120V 30A 6-Circuit for value ($46.66 per circuit ($279.99, 6 circuits) vs $57.62 per circuit ($345.71, 6 circuits)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 30 A transfer switch; a clear win is highlighted. How we rank explains each one.
| Factor weight | Reliance Pro/Tran 2 306CRK | Nature's Generator 120V 30A 6-Circuit |
|---|---|---|
| Overall rating | 3.5/5 | 3.0/5 |
| Value 35% | 40 $57.62 per circuit ($345.71, 6 circuits) | 55 $46.66 per circuit ($279.99, 6 circuits) |
| Circuits 25% | 33 6 circuits | 33 6 circuits |
| Features 20% | 75 wattmeters, inlet box included, UL listed | 25 UL listed |
| Warranty 20% | 100 5-year warranty | 50 warranty not published (neutral score used) |
Specifications
| Reliance Pro/Tran 2 306CRK | Nature's Generator 120V 30A 6-Circuit | |
|---|---|---|
| Switching | ||
| Type | Manual | Manual |
| Circuits | 6 | 6 |
| Generator connection | 30 A | 30 A |
| Max generator | 7,500 W | - |
| Voltage | 120/240 V | 120 V |
| Wattmeters | Yes | - |
| In the box | ||
| Inlet | L14-30 | L5-30 on the switch |
| Inlet box included | Yes | No |
| Generator cord included | Yes | Yes |
| Build | ||
| Outdoor rated | No | No |
| UL listed | Yes | Yes |
| Warranty | 5 years | - |