The Generac 100A Automatic Transfer Switch Provides Seamless Power Transition For Whole-Home Backup
Ensure your home or business never misses a beat during an outage with the Generac 100A Automatic Transfer Switch. Designed for reliability and ease of use, this essential component automatically detects a loss of utility power and transfers the electrical load to your standby generator within seconds. When utility power is restored, the switch safely returns the load back to the grid—no manual intervention required.
Built with heavy-duty Generac engineering, this 100-amp ATS is compatible with a wide range of Generac standby generators. Its durable, weather-resistant enclosure allows for flexible indoor or outdoor installation, while its streamlined design ensures quiet, reliable operation.
Perfect for residential or light commercial applications, the Generac 100A Automatic Transfer Switch delivers:
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Seamless Power Control – Transfers power automatically for uninterrupted protection.
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Flexible Compatibility – Works with Generac standby generators up to the rated capacity.
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Durable Construction – NEMA-rated enclosure built for indoor/outdoor use. Peace of Mind – Eliminates the need to manually switch power during an outage.
With the Generac 100A Automatic Transfer Switch, you can rest easy knowing your essential circuits—and your peace of mind—are always protected.
Generac Transfer Switch Model Comparison
| Model |
RXSW100A3SPD |
RXSW100A3 |
RXSC100A3 |
G0099510 |
G0099520 |
G0099530 |
G0099540 |
G0099550 |
G0099550 |
| Amps |
100 |
100 |
100 |
200 |
200 |
200 |
150 |
150 |
150 |
| Voltage |
120/240, 1ø |
120/240, 1ø |
120/240, 1ø |
120/240, 1ø |
120/240, 1ø |
120/240, 1ø |
120/240, 1ø |
120/240, 1ø |
120/240, 1ø |
| Load Transition Type (Auto) |
Open Transition Service Rated |
Open Transition Service Rated |
Open Transition |
Open Transition Service Rated |
Open Transition Service Rated |
Open Transition |
Open Transition Service Rated |
Open Transition Service Rated |
Open Transition Service Rated |
| Enclosure Type |
NEMA 3R |
NEMA 3R |
NEMA 3R |
NEMA 3R |
NEMA 3R |
NEMA 3R |
NEMA 3R |
NEMA 3R |
NEMA 3R |
| ETL Rating |
ETLus |
ETLus |
cETLus |
ETLus |
ETLus |
cETLus |
ETLus |
ETLus |
ETLus |
| Withstand Rating (Amps) |
10,000 |
10,000 |
10,000 |
22,000 |
22,000 |
10,000 |
22,000 |
22,000 |
22,000 |
| Lug Range |
2/0 – #14 |
2/0 – #14 |
2/0 – #14 |
250 MCM – #6 |
250 MCM – #6 |
250 MCM – #6 |
250 MCM – #6 |
250 MCM – #6 |
250 MCM – #6 |
| Installer Fast Mount |
No |
No |
No |
Yes |
Yes |
Yes |
Yes |
Yes |
Yes |
Generac 100A Automatic Transfer Switch Features
Seamless Transition for Uninterrupted Power
Experience a smooth shift from grid to backup during outages. This ensures continuity in your household operations, preventing disruptions to your daily routine whenever power issues occur.
Weather-Resistant NEMA 3R Enclosure
Constructed to endure harsh weather, it protects components effectively. This enables indoor or outdoor installation, ensuring long-lasting and reliable functionality regardless of environmental conditions.
Hardened Transfer Switch Control
Combat power disturbances with robust protective measures in place. This feature maintains performance, defending your devices and appliances from harmful electrical fluctuations like brownouts.
Compatible with Generac Single-Phase Generators
Works seamlessly with Evolution™ or Power Zone™ 200 controllers. This compatibility ensures optimal performance of your backup power system whenever needed.
Protective 5-Year Limited Warranty
Feel secure with comprehensive warranty coverage and surge protection. This commitment to quality reassures users of the product's robust design and future reliability.
Integrated Surge Protection for Device Safety
Defends your home’s devices against voltage spikes and surges effectively. This essential protection minimizes the risk of damage to your electronics and appliances.
Generac 100A Automatic Transfer Switch Warranty
Generac provides a 5-year warranty policy, ensuring the absence of defects in materials, workmanship, and performance during the warranty period.
What's Included
- 1 x Generac 100A Automatic Transfer Switch
Generac 100A Automatic Transfer Switch Specifications
Surge Protection Device Specifications
|
| Surge Current Capacity Per Phase |
50 kA |
| Nominal Discharge Current (In) |
20 kA |
| Short Circuit Current Rating (SCCR) |
200 kA |
| SPD Type Rated |
Type 1 or Type 2 |
| System Voltages Available |
120/240 VAC Single Split-phase |
| Protection Modes |
L-N, L-L |
| Maximum Continuous Operating Voltage (MCOV) |
150 L-N, 300 L-L |
| Voltage Protection Rating (VPR) |
600V L-N, 1000V L-L |
| Input Power Frequency |
50/60 Hz |
| Enclosure Rating |
NEMA 4X |
| Operating Temperature |
-4 °F through 122 °F (-20 °C through 50 °C) |
| Operating Humidity |
5% through 95%, non-condensing |
| Operating Altitude |
Up to 6,500 ft (2,000 m) |
| Agency Certification and Approvals |
UL1449 4th Edition Listed Device |
| Warranty |
5 Years |
Generac 100A Automatic Transfer Switch Manual
