Commercial Generators
Generac makes it easy and cost effective to configure the exact backup power system your business requires. These generators often pay for themselves in one power outage, easily backing up a wide range of applications. Backup your large home or business and everything in between. What can automatic backup power provide your business in a power outage? Capable of providing full power protection for large homes and commercial applications from gas stations and convenience stores to restaurants, schools, assisted living centers, and municipal buildings. Higher power nodes for large applications. COMMERCIAL SERIES DATA SHEETS 22kw 25kw 27kw 30kw 36kw 45kw 48kw 60kw 70kw 80kw 100kw 130kw 150kw Premium features are standard for the ultimate standby generator. Thanks to the low-speed engine, it’s so quiet you’ll forget you own a generator until you need it. Ideal for large residential and small to medium commercial applications. Keep your power and the peace with the QuietSource 22kW. Packing a lot of power into a small footprint with less noise., ideal applications include larger homes, gas stations, convenience stores and other small businesses. 22kw Spec Sheet 27kw Spec Sheet 36kw Spec Sheet 48kw Spec Sheet 
COST EFFECTIVE BACKUP POWER FOR BUSINESS
Single and three phase output in a variety of voltages.
Liquid cooled engines available in low and high-speed options.
Quiet-Test Mode for a weekly self test that runs quieter than the competition.
Aluminum, All-Weather Enclosure option provides substantial protection from the elements. Aluminum’s corrosion resistance prolongs the life of your generator. Recommended for salt-air, coastal communities. Sturdy galvanneal steel enclosures are coated with Rhinocoat™ finish for added weather protection.
Continuous fuel choice of LP or natural gas.
Hour Meter monitors run time, providing information to determine maintanance intervals.
H-controller with optional remote annunciator on 70 kW units and above.
Remote monitoring with GenLInk software available on 70 kW and above.
THE PREMIUM STANDBY GENERATOR
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QUIET SOURCE SERIES
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 Diesel Power for Demanding Industrial Applications |
Major components are designed and manufactured by Generac in a vertically integrated environment, ensuring the highest reliability standards.
Easily serviced by any qualified diesel technician.
National industrial dealer network of factory-certified technicians with expertise in everything from system design to diagnostics and repairs.
24/7 emergency response, warranty service and scheduled preventive maintenance programs.
Readily available replacement parts and maintenance items.
Diesel gensets up to 600 kW
| 40 kW | SD040 | 2.4DT John Deere |
| 50 kW | SD050 | 2.4DT John Deere |
| 60 kW | SD060 | 4.5DT FPT |
| 80 kW | SD080 | 4.5DTA FPT |
| 100 kW | SD100 | 6.7DTA FPT |
| 130 kW | SD130 | 6.7DTA FPT |
| 150 kW | SD150 | 6.7DTA FPT |
| 175 kW | SD175 | 6.7DTA FPT |
| 135 kW | SD135 | 6.8DTA |
| 150 kW | SD150 | 6.8DTA |
| 200 kW | SD200 | 8.7DTA FPT |
| 230 kW | SD230 | 8.7DTA FPT |
| 250 kW | SD250 | 8.7DTA FPT |
| 275 kW | SD275 | 10.3DTA |
| 300 kW | SD300 | 10.3DTA |
| 350 kW | SD350 | 12.9DTA |
| 400 kW | SD400 | 13.0DTA Volvo |
| 500 kW | SD500 | 16.0DTA |
| 500 kW | SD500 | 18.0DTA |
HTS Transfer Switch
The HTS transfer switch is a "smart switch" designed to operate in conjunction with the controller. HTS switches have a 2-wire RS485 communication link to the controller. Utility voltage and phasing are monitored by the HTS switch along with signal before transfer timing, time delay neutral and in-phase transfer. All timers and voltage set points are remotely programmable via communications software.External LED displays on the outside of the door show the switch position, indicate when the generator is operating and whether or not the utility is available. An external, 3-position test switch allows testing in either normal or fast mode without opening the cabinet. HTS transfer switches are available in 100 to 2600 amp models with a choice of NEMA 1, NEMA 3R or NEMA 12 enclosures and are rated to all classes of loads.
External LED displays on the outside of the door show the switch position, indicate when the generator is operating and whether or not the utility is available. An external, 3-position test switch allows testing in either normal or fast mode without opening the cabinet. HTS transfer switches are available in 100 to 2600 amp models with a choice of NEMA 1, NEMA 3R or NEMA 12 enclosures and are rated to all classes of loads.
HTS 100-400 Amps Spec Sheet HTS 600-1000 Amps Spec Sheet HTS 1200-2600 Amps Spec Sheet
GTS Transfer Switches
Generac is the only manufacturer of open transition switches to incorporate the two most common switching methods (inphase and delayed-transition) into the same ATS. Our inphase monitor provides safe, fast (160 msec) transfers between two live voltage sources when the source voltages are aligned (within 20°). If voltages are not inphase within an appropriate time, the system will automatically revert to the time delayed-transition transfer. If the inphase function is disabled, our GTS switches utilize delayed-transition transfer that allows load voltage to decay to a safe level before switching sources.
Generac GTS transfer switches feature status lights that indicate switch position and source status, a programmable weekly exerciser that can be user-configured to transfer on exercise, independent voltage pickup and dropout adjustments and utility monitoring to protect against utility phase loss conditions. Our front access test mode switch allows the entire standby system to be tested in either a normal or fast test mode.
GTS 100-400 Amps Spec Sheet GTS 100-400 Amps TTN Spec Sheet GTS 600-1000 Amps Spec Sheet
GTS 1200-2600 Amps Spec Sheet
