No. 4W124 Heavy Duty Automatic Transfer Switch

300 Amp, 250 volts, 48 inches x 30 inches x 13 inches

Prompts the automatic start-up of a Dayton standby generator during partial or total utility power loss. Also prompt the line switching necessary to provide a smooth transition from utility to generator power. Transfers loads back to utility power once restored. It automatically exercises the generator, which keeps the generator ready for emergency start-up. The switch also provides protection for the generator by removing the possibility of utility power backfeed into the generator, limiting rapid intermittent start-up and shut-down, prolonging the life of the power system.
For use with Dayton standby generators under 40kW, manufactured after 1991 only. Not compatible with any other make or model.
Exerciser clock starts engine every seven days at preselected time.
Line failure, under voltage, and generator frequency sensing
UL Listed (1008) at 480Volts or less
Current rating: 300 amps
Volts(AC): 250
Phase: 1 or 3
NEMA Enclosure No. 12
Line Failure: Adjustable
Sensing under voltage: Adjustable
Neutral: yes
Dimensions (HxWxD): 48 x 30 x 13inches
Note: Switch should be installed by a qualified electrician or contractor, and may require local permits and inspection.

Manufacturer reference: 8931