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 3.5. The Westinghouse WMTS30A10C 30A Kit leads on circuits and value. The Reliance Pro/Tran 2 306C costs $40.04 less ($299.95 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.
The six circuit Pro/Tran 2 with meters, for someone who already has an inlet box. The 306CRK kit adds the box and cord for not much more.
Amazon $299.95Which 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 $49.99 per circuit ($299.95, 6 circuits)).
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 306C |
|---|---|---|
| Overall rating | 3.9/5 | 3.5/5 |
| Value 35% | 62 $42.50 per circuit ($339.99, 8 circuits) | 50 $49.99 per circuit ($299.95, 6 circuits) |
| Circuits 25% | 67 8 circuits | 33 6 circuits |
| Features 20% | 50 wattmeters, inlet box included | 50 wattmeters, UL listed |
| Warranty 20% | 100 5-year warranty | 100 5-year warranty |
Specifications
| Westinghouse WMTS30A10C 30A Kit | Reliance Pro/Tran 2 306C | |
|---|---|---|
| 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 | none (wire to a separate inlet box) |
| Inlet box included | Yes | No |
| Generator cord included | - | No |
| Build | ||
| Outdoor rated | - | No |
| UL listed | - | Yes |
| Weight | 31 lb | - |
| Warranty | 5 years | 5 years |
