Westinghouse 120/240 Volt, 200 Amp Automatic Portable
Westinghouse 120/240 Volt, 200 Amp Automatic Portable Generator Transfer Switch, Outdoor Enclosure
- AUTOMATIC HOME BACKUP: Pair the WATS200 Automatic Transfer Switch with a compatible Westinghouse Smart Switch Ready generator for always-ready automatic backup power. When utility power goes out, it starts backup power automatically and shuts the generator down when utility power returns
- STANDBY POWER FOR A FRACTION OF THE COST: Get automatic home backup for a fraction of the cost of a permanent standby installation, with less equipment, site prep, installation and ongoing maintenance costs
- UPGRADE YOUR SMART SWITCH READY GENERATOR: Compatible with 2017 and newer Westinghouse generators that include the Smart Switch Ready outlet. If you already own one of these units, the WATS200 gives you an easy path to automatic home backup power
- SMART A/C LOAD MANAGEMENT: Built-in load shedding automatically manages up to four air conditioner loads, keeping demand balanced so your generator runs efficiently through an outage
- COMPLETE YOUR HOME BACKUP SETUP: Includes the Automatic Transfer Switch and 25 ft. ST Control Cable. Professional installation is recommended for code compliance. Generator, power cord and inlet box sold separately
- THE BRAINS BEHIND AUTOMATIC BACKUP: The included 25 ft. ST Control Cable connects the ATS to your generator's 7-pin Smart Switch Ready outlet, enabling automatic start/shutdown while keeping the battery charged during standby
- BUILT TO LAST: ETL Listed to UL 1008 with a NEMA 3R indoor/outdoor rated enclosure and 5-year limited warranty for long-term peace of mind
The Westinghouse WATS200 Automatic Transfer Switch gives homeowners a smarter path to automatic backup power for a fraction of the cost of traditional permanent standby systems by reducing equipment, site prep and installation costs. The WATS200 is a new and innovative way to get automatic standby home backup using a compatible Westinghouse Smart Switch Ready generator. This 200 amp transfer switch communicates with both your generator and your utility power to keep your home ready for an outage. It automatically starts your generator and transfers power to your home outlets. When utility power returns, it automatically switches back and shuts the generator down. It also keeps your generator’s battery charged, so it’s always ready to power up automatically. The WATS200 offers serious home backup generator capability with service entrance rated design, a NEMA 3R indoor/outdoor enclosure, ETL Listed to UL 1008 and integrated A/C load management. Many Westinghouse generators already have a Smart Switch Ready outlet and are ready to upgrade to automatic standby. Comes with a 5-year limited warranty.
| SKU: | B0H4NDM7KD |
| Weight: | 32.4 pounds |
| Dimensions: | 27.7″L x 15.6″W x 7.8″H |
| Brand: | Westinghouse |
| Model: | WATS200 |
| Colour: | Grey |
| Manufacture: | Westinghouse |
| Colour: | Grey |
From the manufacturer


WATS200 ATS Compatible Generators
![]() 28000 Peak Watt Tri-Fuel | ![]() 18000 Peak Watt Tri Fuel | ![]() 14500 Peak Watt Tri Fuel | ![]() 13500 Peak Watt Tri Fuel | ![]() 12500 Peak Watt Tri Fuel | ![]() 12500 Watt Dual Fuel | ![]() 12000 Peak Watt Tri Fuel | |
|---|---|---|---|---|---|---|---|
| Customer Reviews | 4.4 out of 5 stars55 | 4.4 out of 5 stars118 | 4.8 out of 5 stars1,255 | 4.8 out of 5 stars1,182 | 4.7 out of 5 stars1,938 | 4.7 out of 5 stars8,991 | 4.6 out of 5 stars76 |
| Fuel Type | Tri Fuel: Gas, LPG, NG | Tri Fuel: Gas, LPG, NG | Tri Fuel: Gas, LPG, NG | Tri Fuel: Gas, LPG, NG | Tri Fuel: Gas, LPG, NG | Dual Fuel: Gas, LPG | Tri Fuel: Gas, LPG, NG |
| Peak Watts | Gas:28000 LPG:25200 NG:22400 | Gas:18000 LPG:16000 NG:14400 | Gas:14500 LPG:13500 NG:12000 | Gas:13500 LPG:12500 NG:10000 | Gas:12500 LPG:11200 NG:9500 | Gas:12500 LPG:11200 | Gas:12000 LPG:11000 NG:9800 |
| Running Watts | Gas:20000 LPG:18000 NG:16000 | Gas:14500 LPG:13000 NG:11600 | Gas:11500 LPG:10500 NG:9500 | Gas:10500 LPG:9500 NG:8500 | Gas:9500 LPG:8500 NG:7500 | Gas:9500 LPG:8500 | Gas:9000 LPG:8100 NG:7200 |
| 50A Outlet | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| 30A Outlet | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| Smart Switch Ready | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ | ✔ |
| Gas Tank Size | 17.2 G | 10.5 G | 9.5 G | 9.5 G | 6.6 G | 6.6 G | 7.9 G |
| Engine Displacement | 999cc V-Twin | 713cc V-Twin | 550cc | 500cc | 457cc | 457cc | 457cc |
| CO Sensor | ✔ | ✔ | ✔ | ✔ | ✔ | ✘ | ✔ |
| Full Power Terminal Block | ✔ | ✘ | ✘ | ✘ | ✘ | ✘ | ✘ |
| Total Harmonic Distortion | Less Than 5% | Less Than 5% | Less Than 5% | ≤23% | ≤23% | ≤23% | Less Than 3% |
| Generator Type | Traditional | Traditional | Traditional | Traditional | Traditional | Traditional | Inverter |


















