GENERAC RG04845ANAX 48kW Protector Standby Generator

No transfer switch is included with the RG04845ANAX. You order the automatic transfer switch separately and size it to the service, and the unit is set up for 200 A at 120/240 V single phase, so that is the rating to match on the switch and the feeders. Budget for the switch, the fuel line, and the pad in the same job.

The Protector liquid-cooled units are approved for an 18 inch offset from the structure, which is what makes them workable on tight lot lines and narrow side yards. Plan the pad around a footprint of 83.4 inches long by 35 inches wide by 46 inches high, and remember the set weighs 1781 lbs, so the pad and the rigging have to carry it.

Either. The RG04845ANAX is a dual fuel unit that runs on natural gas or liquid propane, so it can be configured to whatever fuel is on site. The engine is a Generac 4.5L liquid cooled unit using an ultra low pressure fuel delivery system, so confirm your gas supply can carry the load at the pressure the engine expects before the meter or the tank is sized.

This one is single phase only, 120/240 V. If the building is served three phase, the RG04845ANAX is the wrong machine and you want a three phase Protector unit instead. Where the service is 120/240 single phase, 48 kW at 200 A covers a small commercial building, a large multi-family common load, or a full residential estate load without load shedding on most of it.

The enclosure is all aluminum with Generac's RhinoCoat powder coated finish, so there is no steel skin to rust through, and the coating protects the internal frame as well. Color is bisque, which is the neutral tan Generac uses so the set disappears against landscaping rather than reading as equipment.

True Power Technology holds total harmonic distortion under 5 percent, which is the threshold that matters for electronics, VFDs, and IT gear. Automatic voltage regulation is included as well, so the output stays inside band as loads step on and off.

Mobile Link comes standard on every Protector Series unit, so status is visible from a phone, tablet, or PC without being on site. That plus the Evolution controller, which reads from outside the enclosure and tracks maintenance intervals, and a built in hour meter is what a property manager running several buildings needs to schedule service without a site visit.

The unit is UL Listed, ETL Listed, and CSA Certified, which covers the listing questions an inspector or an institutional spec will raise on a permanently installed standby set. It is built in the United States.

1781 lbs, at 83.4 by 35 by 46 inches. That is past what a crew moves on rollers, so plan on a crane or a forklift and a poured or precast pad rated for the load. Getting the pad and the access route settled before delivery is what keeps this from becoming a second mobilization.

Quiet-Test runs the exercise cycle at a reduced RPM, for either five or twelve minutes, and it can be set weekly, bi-weekly, or monthly. That matters where the set sits near bedrooms or a neighboring property line, because the exercise is the only noise most people ever hear from a standby unit.

Low oil shutdown and overload protection are both built in, and the engine starts automatically on an outage with automatic override available. For an unattended site that combination is what keeps a long run from destroying the engine when nobody is there to watch it.