Generac 0L2910 Automatic Transfer Switch 100A 250V

The Generac 0L2910 Automatic Transfer Switch is a dual-pole, 100 A, 250 VAC mechanism designed for automatic transfer of electrical loads between utility and generator power in residential and commercial standby systems. This single-phase ATS operates at 50/60 Hz with a 10,000 RMS symmetrical amp short-circuit rating and is UL Listed per UL 1008, meeting NEC Article 702 requirements for automatic power-switching equipment. It is compatible with Generac Guardian, Honeywell, Carrier, Siemens, and Centurion backup power configurations and pairs with Generac 100A ATS assemblies; the device accommodates copper or aluminum conductors from #14 through 1/0 AWG, with a tightening torque of 50 in-lbs (5.6 Nm) and a solid, non-switched neutral. Enclosures rated for NEMA 3R and NEMA 1 ATS applications are supported, enabling installation in both outdoor and indoor standby installations; designed for automatic switching between utility and generator power, it is used in whole-house backup, commercial standby, healthcare facilities, and industrial backup applications, serving maintenance teams and system integrators for repairs, retrofits, and replacements.