A complete 10 circuit kit with meters for less than the Reliance and Generac kits. A smart buy for most 30 A generator owners.
Amazon $377
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.
- 10Circuits
- 7,500 WMax generator
- L14-30 on the switchConnection
- 5 yearsWarranty
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
- Inlet on the switch itself lets you plug in a cord directly in a garage or shed
- Wattmeters show the load on each generator leg
- Ten circuits for a 7,500 W generator, at less than a full kit costs
- UL 1008 listed with a five year warranty
- Running the cord through a door to an indoor inlet is clumsy; most homes still need an outdoor inlet box
- No cord included
- Original Pro/Tran model; the Pro/Tran 2 equivalent is the 310A
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 | 30310A |
|---|---|
| Switching | |
| Type | Manual |
| Circuits | 10 |
| Generator connection | 30 A |
| Max generator | 7,500 W |
| Voltage | 120/240 V |
| Wattmeters | Yes |
| In the box | |
| Inlet | L14-30 on the switch |
| Inlet box included | No |
| Generator cord included | No |
| Build | |
| Outdoor rated | No |
| UL listed | Yes |
| Warranty | 5 years |
Alternatives in this rating
The cheapest way into a 10 circuit Reliance switch, sold by Amazon. Pick it if you already have an inlet box and cord and can live without meters.
Amazon $299.99The 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 $473.99Compare
Compare the Reliance Controls 30310A with any other transfer switch →
More from Reliance Controls: every Reliance Controls product ranked.