The Reliance Controls 31410CRK is the better transfer switch overall, rated 4.3 to 3.9. The Reliance Controls 31410CRK leads on features. The Nature's Generator 30A 12-Circuit wins on value. The Nature's Generator 30A 12-Circuit costs $94 less ($379.99 vs $473.99).
The classic complete kit for a 30 A generator: switch, inlet box and cord, with meters to balance the load. A good pick for a homeowner who wants one part number to hand an electrician.
Amazon $473.99The most circuits for the money on a 30 A generator or 240 V power station. A good pick when you want to switch many small circuits.
Amazon $379.99Prices 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.
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 Controls 31410CRK | Nature's Generator 30A 12-Circuit |
|---|---|---|
| Overall rating | 4.3/5 | 3.9/5 |
| Value 35% | 54 $47.40 per circuit ($473.99, 10 circuits) | 83 $31.67 per circuit ($379.99, 12 circuits) |
| Circuits 25% | 100 10 circuits | 100 12 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) |
| Reliance Controls 31410CRK | Nature's Generator 30A 12-Circuit | |
|---|---|---|
| Switching | ||
| Type | Manual | Manual |
| Circuits | 10 | 12 |
| Generator connection | 30 A | 30 A |
| Max generator | 7,500 W | - |
| Voltage | 120/240 V | 120/240 V |
| Wattmeters | Yes | - |
| In the box | ||
| Inlet | L14-30 | L14-30 on the switch |
| Inlet box included | Yes | No |
| Generator cord included | Yes | Yes |
| Build | ||
| Outdoor rated | No | - |
| UL listed | Yes | Yes |
| Weight | 15 lb | - |
| Warranty | 5 years | - |
