A budget switch and inlet box kit for a 30 A generator. The short warranty and thin specs make the Connecticut Electric kit a safer choice.
Amazon $339.99The Westinghouse WMTS30A10C 30A Kit is the better transfer switch overall, rated 3.9 to 3.6. The Westinghouse WMTS30A10C 30A Kit leads on circuits and value. The Reliance Pro/Tran 2 R306A Outdoor wins on features. The Reliance Pro/Tran 2 R306A Outdoor costs $31.29 less ($308.70 vs $339.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
An outdoor six circuit switch that doubles as the inlet, so the generator plugs straight into it. Good for houses where the panel is on an outside wall or in a garage.
Amazon $308.70Which should you buy?
- Choose the Westinghouse WMTS30A10C 30A Kit for circuits (8 circuits vs 6 circuits) and value ($42.50 per circuit ($339.99, 8 circuits) vs $51.45 per circuit ($308.70, 6 circuits)).
- Choose the Reliance Pro/Tran 2 R306A Outdoor for features (wattmeters, outdoor rated, UL listed vs wattmeters, inlet box included).
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 | Westinghouse WMTS30A10C 30A Kit | Reliance Pro/Tran 2 R306A Outdoor |
|---|---|---|
| Overall rating | 3.9/5 | 3.6/5 |
| Value 35% | 62 $42.50 per circuit ($339.99, 8 circuits) | 48 $51.45 per circuit ($308.70, 6 circuits) |
| Circuits 25% | 67 8 circuits | 33 6 circuits |
| Features 20% | 50 wattmeters, inlet box included | 75 wattmeters, outdoor rated, UL listed |
| Warranty 20% | 100 5-year warranty | 100 5-year warranty |
Specifications
| Westinghouse WMTS30A10C 30A Kit | Reliance Pro/Tran 2 R306A Outdoor | |
|---|---|---|
| Switching | ||
| Type | Manual | Manual |
| Circuits | 8 | 6 |
| Generator connection | 30 A | 30 A |
| Max generator | 7,500 W | 7,500 W |
| Voltage | - | 120/240 V |
| Wattmeters | Yes | Yes |
| In the box | ||
| Inlet | L14-30P | L14-30 on the switch |
| Inlet box included | Yes | No |
| Generator cord included | - | No |
| Build | ||
| Outdoor rated | - | Yes |
| UL listed | - | Yes |
| Weight | 31 lb | - |
| Warranty | 5 years | 5 years |
