Reliance Controls 30310A
#4 in 30 AFull review
A 10 circuit Reliance switch with meters and a built in inlet, sold by Amazon. Best when the switch can sit in a garage near the generator.
Amazon $384.74$384.74
The Reliance Controls 30310A is the better transfer switch overall, rated 4.3 to 4.2. The Reliance Controls 30310A costs $44.26 less ($384.74 vs $429).
Reliance Pro/Tran 2 310C
#6 in 30 AFull review
The current Pro/Tran 2 version of the 10 circuit switch with meters. Worth it only if you already own an inlet box and cord, since the full kit costs little more.
Amazon $429$429
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.
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 Controls 30310A | Reliance Pro/Tran 2 310C |
|---|---|---|
| Overall rating | 4.3/5 | 4.2/5 |
| Value 35% | 69 $38.47 per circuit ($384.74, 10 circuits) | 61 $42.90 per circuit ($429, 10 circuits) |
| Circuits 25% | 100 10 circuits | 100 10 circuits |
| Features 20% | 50 wattmeters, UL listed | 50 wattmeters, UL listed |
| Warranty 20% | 100 5-year warranty | 100 5-year warranty |
Specifications
| Reliance Controls 30310A | Reliance Pro/Tran 2 310C | |
|---|---|---|
| Switching | ||
| Type | Manual | Manual |
| Circuits | 10 | 10 |
| Generator connection | 30 A | 30 A |
| Max generator | 7,500 W | 7,500 W |
| Voltage | 120/240 V | 120/240 V |
| Wattmeters | Yes | Yes |
| In the box | ||
| Inlet | L14-30 on the switch | none (wire to a separate inlet box) |
| Inlet box included | No | No |
| Generator cord included | No | No |
| Build | ||
| Outdoor rated | No | No |
| UL listed | Yes | Yes |
| Warranty | 5 years | 5 years |