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
4.2/5
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.
- 10Circuits
- 7,500 WMax generator
- none (wire to a separate inlet box)Connection
- 5 yearsWarranty
Check price at Amazon$429
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Color coded wattmeters make it easy to keep the generator load balanced
- Ten circuits with standard 1 in breakers, including AFCI and GFCI types
- UL 1008 listed with a five year warranty
Cons
- Needs a separate inlet box and cord
- Costs more than the 31410CRK kit that adds both
The Reliance Pro/Tran 2 family
Every Reliance Pro/Tran 2 model we rank, smallest first. Ratings compare each against its own rating.
| Model | Circuits | Rating | Price |
|---|---|---|---|
| Reliance Pro/Tran 2 306D | 6 | 3.3/5 | $303.80 |
| Reliance Pro/Tran 2 306C | 6 | 3.5/5 | $299.95 |
| Reliance Pro/Tran 2 306A | 6 | 3.5/5 | $299 |
| Reliance Pro/Tran 2 R306A Outdoor | 6 | 3.6/5 | $308.70 |
| Reliance Pro/Tran 2 306CRK | 6 | 3.5/5 | $345.71 |
| Reliance Pro/Tran 2 506C | 6 | 3.0/5 | $348.10 |
| Reliance Pro/Tran 2 310C (this one) | 10 | 4.2/5 | $429 |
| Reliance Pro/Tran 2 A310A | 10 | 4.0/5 | $518.40 |
| Reliance Pro/Tran 2 510D | 10 | 3.4/5 | $467.30 |
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its rating. How we rank explains each one.
Specifications
| Model number | 310C |
|---|---|
| Switching | |
| Type | Manual |
| Circuits | 10 |
| Generator connection | 30 A |
| Max generator | 7,500 W |
| Voltage | 120/240 V |
| Wattmeters | Yes |
| In the box | |
| Inlet | none (wire to a separate inlet box) |
| Inlet box included | No |
| Generator cord included | No |
| Build | |
| Outdoor rated | No |
| UL listed | Yes |
| Warranty | 5 years |
Alternatives in this rating
Reliance Controls 31410CRK
#5 in 30 AFull review
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 $473.99$473.99
Reliance Pro/Tran 2 A310A
#7 in 30 AFull review
The 10 circuit Pro/Tran 2 set up for two 30 A 240 V loads out of the box. Worth the premium only if you need those breakers.
Amazon $518.40$518.40
Compare
Compare the Reliance Pro/Tran 2 310C with any other transfer switch →
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