Generac Guardian Elite Commercial
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20-150 kW Liquid-Cooled Standby Generators and Controllers for Home or Office
Find generator sizes:
7 kW 10 kW
13 kW 20
kW up to 150 kW Single
and Three Phase Commercial Generators
Revolutionizing
the Commercial and Home Standby Power Generator Market
GUARDIAN® has long been known as America’s
#1 choice in home standby generators. Now, we’re fast becoming
recognized as the company that revolutionized the commercial market.
That’s because we’ve eliminated the noise, fuel and installation
concerns that traditionally made commercial standby power too costly.
GUARDIAN Elite™ generators are reliable
and value-oriented. So much so, they often pay for themselves
during the first extended outage.
Single and Three Phase available in selected
Generators. See below for information.
Generators
Features and Benefits
Spec Sheets
Controls
and Transfer Switches
|
 |
20-150 kW Liquid-Cooled Standby Generators
Three Phase Generators for your Home or Business Power Needs *
GUARDIAN® is now doing to the commercial market what it has already done to the
residential market… making standby power reliable, yet affordable. Protect
your revenue stream by investing in a GUARDIAN Elite™ commercial automatic
standby generator. Our GUARDIAN Elite generators are ideal for a broad range of
enterprises, including restaurants, convenience stores, supermarkets, banks,
fitness centers, hotels, and retail outlets.
Three-phase models range from 20-150 kW and single-phase models from 60-150 kW.
They run on either natural gas or LPV, feature automotive style, liquid-cooled
engines, GUARDIAN’s exclusive Whisper-Test™ feature and a
corrosion-resistant aluminum enclosure option.
Whisper Quiet Operation
GUARDIAN’s exclusive patent-pending Whisper-Test low speed exercise feature
makes our GUARDIAN Elite products the quietest liquid-cooled generators on the
market. Whisper-Test reduces noise by 50% during the generator’s weekly
self-test cycle allowing for near silent operation that satisfies all known
sound ordinances.
Value Priced
During a utility outage, a GUARDIAN Elite will protect your revenue stream and
prevent expensive losses by keeping your business… in business. Not only are
our products engineered for reliability and long life, our volume production and
short lead times make GUARDIAN Elite products an even better value.
- Liquid-Cooled Engine: Produces more
electricity for longer outages
- Whisper-Test™: Patent-pending,
self-test feature makes the GUARDIAN Elite 50% quieter during the
generator’s weekly self-test cycle
- Aluminum Enclosure:
Corrosion-resistance for coastal communities (60 kW and higher)
- Longest Life Expectancy in the Industry:
Over 3,000 hours of run time
- Superior Paint: Tough, textured
powder coat paint finish for unmatched durability and all weather protection
- UL Listed: For safety and certified
power ratings
- Clean Burning Fuel:
Natural gas or LPV
Generator
Set
| Rated Power LP (kW) |
20 |
25 |
35 |
45 |
| Rated Power NG (kW) |
20 |
25 |
35 |
43 |
| Amps @ 208V, 3Ø |
70 |
n/a |
122 |
156 |
| Amps @ 480V, 3Ø |
n/a |
n/a |
53 |
68 |
| Voltage @ 60 Hz |
120/208 |
120/208 |
120/208, 277/480 |
120/208, 277/480 |
| Phase |
Three |
Three |
Three |
Three |
| Frequency |
60 Hz |
60 Hz |
60 Hz |
60 Hz |
| Engine/Alternator RPM |
3600/3600 |
3600/3600 |
3600/3600 |
3600/3600 |
| Engine |
1.6L OHC 4 cyl. |
1.6L OHC 4 cyl. |
2.4L OHC 4 cyl. |
2.4L OHC 4 cyl. |
Fuel Consumption LP
(cu.ft./hr.)/(gal./hr.) |
125 (3.44) |
175 (4.81) |
222.3 (6.1) |
286 (7.86) |
| Fuel Consumption NG (cu.ft./hr.) |
315 |
437 |
560 |
720 |
| EPA/CARB Certified |
Yes |
Yes |
Yes |
Yes |
| Fuel |
Natural Gas
LP Vapor |
Natural Gas
LP Vapor |
Natural Gas
LP Vapor |
Natural Gas
LP Vapor |
| Engine Cooling |
Liquid |
Liquid |
Liquid |
Liquid |
| Controls |
R-Series |
R-Series |
R-Series |
R-Series |
| UL 2200 (US and Canada) |
Yes |
Yes |
Yes |
Yes |
| Sound Output dB(A) at 23
ft. with generator operating at full load |
72 |
73 |
71 |
72 |
| Sound Output dB(A) at 23
ft. with generator in WhisperTest™ low speed exercise mode |
62 |
63 |
57 |
58 |
| Main Line Circuit Breaker |
80 Amp |
100 Amp |
150, 60 Amp |
175, 80 Amp |
| Aluminum Enclosure Option |
Yes |
Yes |
Yes |
Yes |
| Dimensions (L" x
W" x H") |
71 x 29.5 x 36 |
71 x 29.5 x 36 |
77 x 33.5 x 45 |
77 x 33.5 x 45 |
| Unit Wt. (lbs.)
(steel/aluminum) |
784/694 |
794/704 |
1393/1276 |
1414/1297 |
Generator Set
| Rated Power LP (kW) |
60 |
70 |
80 |
| Rated Power NG (kW) |
60 |
70 |
80 |
| Amps @ 240V, 1Ø |
250 |
292 |
333 |
| Amps @ 208V, 3Ø |
208 |
243 |
278 |
| Amps @ 480V, 3Ø |
90 |
105 |
120 |
| Voltage @ 60 Hz |
120/240, 1Ø
120/208, 3Ø
277/480, 3Ø |
120/240, 1Ø
120/208, 3Ø
277/480, 3Ø |
120/240, 1Ø
120/208, 3Ø
277/480, 3Ø |
| Phase |
Single and 3-Phase |
Single and 3-Phase |
Single and 3-Phase |
| Frequency |
60 Hz |
60 Hz |
60 Hz |
| Engine/Alternator RPM |
3600/3600 |
1800/1800 |
3600/3600 |
| Engine |
3.0 V-6 |
6.8L V-10 |
4.6L V-8 |
Fuel Consumption LP
(cu.ft./hr.)/(gal./hr.) |
376.3 (10.34) |
411 (11.3) |
465 (12.78) |
| Fuel Consumption NG (cu.ft./hr.) |
960 |
1020 |
1154 |
| EPA/CARB Certified |
Yes |
Yes |
Yes |
| Fuel |
Natural Gas
LP Vapor |
Natural Gas
LP Vapor |
Natural Gas
LP Vapor |
| Engine Cooling |
Liquid |
Liquid |
Liquid |
| Controls |
R-100 |
H-100 |
H-100 |
| UL 2200 (US and Canada) |
Yes |
Yes |
Yes |
| Sound Output dB(A) at 23 ft. with
generator operating at full load |
73 |
71 |
74 |
| Sound Output dB(A) at 23 ft. with
generator in WhisperTest™ low speed exercise mode |
62 |
60 |
61 |
| Main Line Circuit Breaker |
300, 250, 100 Amp |
300, 250, 125 Amp |
350, 300, 150 Amp |
| Aluminum Enclosure Option |
Yes |
Yes |
Yes |
| Dimensions (L" x W" x H") |
88.6 x 33.5 x 47.8* |
96.5 x 36.8 x 47.9 |
115.2 x 36.8 x 54.8* |
| Unit Wt. (lbs.) (steel/aluminum) |
1650/1513 |
2185/2040 |
2010/1836 |
Generator Set
| Rated Power LP (kW) |
100 |
100 |
130 |
150 |
| Rated Power NG (kW) |
100 |
100 |
130 |
150 |
| Amps @ 240V, 1Ø |
417 |
417 |
542 |
625 |
| Amps @ 208V, 3Ø |
347 |
347 |
451 |
520 |
| Amps @ 480V, 3Ø |
150 |
150 |
195 |
226 |
| Voltage @ 60 Hz |
120/240, 1Ø
120/208, 3Ø
277/480, 3Ø |
120/240, 1Ø
120/208, 3Ø
277/480, 3Ø |
120/240, 1Ø
120/208, 3Ø
277/480, 3Ø |
120/240, 1Ø
120/208, 3Ø
277/480, 3Ø |
| Phase |
Single and
3-Phase |
Single and
3-Phase |
Single and
3-Phase |
Single and
3-Phase |
| Frequency |
60 Hz |
60 Hz |
60 Hz |
60 Hz |
| Engine/Alternator RPM |
3600/3600 |
2300/1800 |
3000/1800 |
3600/3600 |
| Engine |
5.4L V-8 |
6.8L V-10 |
6.8L V-10 |
6.8L V-10 |
Fuel Consumption LP
(cu.ft./hr.)/(gal./hr.) |
554 (15.02) |
507 (13.9) |
719 (19.8) |
830 (22.8) |
| Fuel Consumption NG (cu.ft./hr.) |
1374 |
1260 |
1786 |
2061 |
| EPA/CARB Certified |
Yes |
Yes |
Yes |
Yes |
| Fuel |
Natural Gas
LP Vapor |
Natural Gas
LP Vapor |
Natural Gas
LP Vapor |
Natural Gas
LP Vapor |
| Engine Cooling |
Liquid |
Liquid |
Liquid |
Liquid |
| Controls |
H-100 |
H-100 |
H-100 |
H-100 |
| UL 2200 (US and Canada) |
Yes |
Yes |
Yes |
Yes |
| Sound Output dB(A) at 23
ft. with generator operating at full load |
75 |
74 |
74 |
76 |
| Sound Output dB(A) at 23
ft. with generator in WhisperTest™ low speed exercise mode |
62 |
61 |
61 |
62 |
| Main Line Circuit Breaker |
450, 400, 175 Amp |
450, 400, 175 Amp |
600, 500, 225 Amp |
700, 600, 250 Amp |
| Aluminum Enclosure Option |
Yes |
Yes |
Yes |
Yes |
| Dimensions (L" x
W" x H") |
115.2 x 36.8 x 54.8* |
115.2 x 36.8 x 54.8* |
115.2 x 36.8 x 54.8* |
115.2 x 36.8 x 54.8* |
| Unit Wt. (lbs.)
(steel/aluminum) |
2311/2137 |
2705/2531 |
2873/2699 |
2666/2492 |
Controls and Transfer Switch
 |
 |
 |
|
R-Series
Digital Controller |
|
|
|
|
| 7 LED
Indicator Lights |
Standard |
| High
Temperature Shutdown |
Standard |
| Low
Coolant Level Shutdown |
Standard |
| Automatic
Voltage Regulator with Over-voltage Protection |
Standard |
- Voltage Regulation (at steady state
from no load to 100% load
|
± 1.0 % |
- Frequency Regulation (at steady state
from no load to 100% load)
|
± 0.5% |
|
| Engine
Start Sequence |
Cyclic Cranking: Initially 15 sec. on,
then 7 sec. rest, 7 sec. on. 90 sec. maximum duration |
| Safety
Fuse |
Standard |
| Starter
Lockout |
Starter cannot re-engage until 5 sec.
after engine has stopped |
| 2 Amp
Battery Charger |
Standard |
| Engine
Warm-up |
10-15 seconds |
| Engine
Cool-down |
1 minute |
| Mode Switch |
|
|
|
Utility Failure /
7 day exerciser |
|
|
Stops unit. Power
is removed. Control and charger still operate. |
|
|
Start with
starter control, unit stays on. If utility fails, transfer
to load takes place |
|
| Automatic
Weekly Exerciser with Selectable Low Speed Exercise |
Standard |
Controls and Transfer Switch
| 32-Bit
Microprocessor |
Single point of
control for engine, generator and transfer switch functions |
| Automatic
Voltage Regulator with Over-voltage Protection |
Standard |
- Variable Voltage Frequency Settings
|
Allows
matching V/F to load for more consistent output; prevents
excessive engine lugging under load to protect motors and
improve motor starting |
- Voltage Regulation (at steady state
from no load to 100% load)
|
±
0.25% |
- Frequency Regulation (at steady state
from no load to 100% load)
|
Isochronous |
|
| Sealed
Casing |
Protects against vibration, dust, heat
moisture, corrosion, radio interference, electromagnetic
interference and static discharge |
| Low
Coolant, Hight Temperature and Low Oil Pressure Automatic Shutdown |
Standard |
| Digital
Readout of AC kW, kVA, Power Factor and All Engine Functions |
Standard |
| Isochronous
Govenor Control |
Standard |
| Predictive
Maintenance Reminders |
Standard |
| 3
Phase Sensing |
Protects motor by monitoring voltage
across all 3 phases |
| 2 Amp
Automatic Battery Charger |
Standard |
| Fault
Protection (I2T Function) |
Provides total generator winding
protection under all fault conditions |
| Start/Stop
Control |
Programmable auto-crank feature |
| Starter
Lockout |
Standard |
| Automatic
Weekly Exerciser with Selectable Low Speed Exercise |
Standard |
| Overspeed/Over-voltate
Protection |
Standard |
| Overcrank
Protection |
Standard |
| Emergency
Stop |
Standard |
| RS485
Remote 2-way Communication with HTS Transfer Switch |
Standard |
| RS232
& RS485 Outputs |
Computer connections for remote
monitoring and remote adjustments (with optional model and GenLink
software) |
Controls and Transfer Switch
| Liquid-cooled models with
3.0 liter engines or smaller use RTS transfer switches (100-400
amps). |
| Liquid-cooled models with
engines over 3.0 liters use HTS transfer switches (100-800 amps). |
| For more information
please see the Transfer
Switch page. |
Features
and Benefits
Automotive Engine
GUARDIAN Elite™ generators use modified automotive engines that can easily
be serviced using readily available, cost-effective parts. These engines are
produced in high volume allowing to pass along the cost savings to our
customers.
Whisper-Test™
Reduces noise to a whisper by lowering engine speed during the
generator’s weekly self-test. The Whisper-Test sound level is comparable to
a car at idle and is 50% quieter than the competition.
Superior Paint
New textured, powder coat paint process provides consistent coverage
and better bonding to seams and exposed edges. This ensures greater durability
and a longer lasting finish.
Aluminum Enclosure
GUARDIAN Elite generators are available in a corrosion-resistant
aluminum enclosure to better withstand the elements. This option is especially
important for businesses in southern and coastal communities.
Automatic Exerciser
An automatic seven (7) day test of your system allows you to verify
that your generator is in peak operating condition at all times.
Automatic Transfer Switch
The automatic transfer switch automatiy switches the source of
power from utility to the generator within seconds of a power outage. Because
it’s automatic, you never have to flip a switch.
Convenient Fuel Supply
GUARDIAN Elite generators operate on natural gas or LP gas service.
This provides you with unlimited run time during extended utility power
failures.
Maintenance Friendly
GUARDIAN Elite generators feature large, removable doors. This provides
easy and quick access for servicing and maintenance.
Automatic Safety Shutdowns
Automatic safety shutdowns protect the engine and generator in the
event of low oil pressure, high temperature, overspeed and/or overcrank.
Protective Enclosure
The enclosure protects your generator from harmful weather and includes
key locks for security. Sound-absorbing panels also reduce exterior noise
levels.
Battery Charger
A built-in battery charger ensures that the battery remains at an
optimum performance level.
UL-Listed
For your safety, GUARDIAN standby generators are UL 2200 listed and all
transfer switches are UL 1008 listed. This validates safety and kilowatt
ratings.
EPA and CARB Emission Requirements
Generators up to 25kW must comply with EPA and CARB emissions
requirements. All GUARDIAN generators up to 25 kW meet these requirements.
Made in USA 
Manufactured by Generac Power Systems, we design and build our complete
product from the controls to the enclosures. This ensures that all GUARDIAN
Elite products are built to our highest standards.
GUARDIAN
Elite™ Spec Sheets
GUARDIAN Elite™ Spec Sheets
GUARDIAN spec sheets are available to download as Adobe Acrobat PDF files.
Click on the PDF link to view the document.
Shipping cost may be extra - for shipping quote and ship time *Cash discount
for wire transfer
* Cash discount for wire transfer
** Delivery time may be up to 8 weeks during natural disasters. Plan ahead
for Hurricane Season!!
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Commercial single phase and commercial three (3) Phase Rated Amps at 120/208V,
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