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Standby Power Rating 50 kW 60 Hz Generator from Generac
Guardian Elite Series Model QT050 Liquid Cooled Generator Sets

 

 


 

 

 

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Generac 5870 8,000 Watt Air-Cooled Propane/Natural Gas Powered Home Automatic Standby Generator With Transfer Switch (CARB Compliant) Generac 5870 8,000 Watt Air-Cooled Propane/Natural Gas Powered Home Automatic Standby Generator With Transfer Switch (CARB Compliant)
Buy new: $2,159.00
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Guardian QuietSource Liquid-Cooled Light Commercial 18,000 Watt Stand By Generator With Gray Aluminum Enclosure 5399 Guardian QuietSource Liquid-Cooled Light Commercial 18,000 Watt Stand By Generator With Gray Aluminum Enclosure 5399
Buy new: $6,971.35
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Generac QT04842ANAX 48,000 Watt Liquid Cooled Propane/Natural Gas Powered Home Automatic Standby Generator Generac QT04842ANAX 48,000 Watt Liquid Cooled Propane/Natural Gas Powered Home Automatic Standby Generator
Buy new: $13,871.00
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Generac Commercial Series Liquid-Cooled Standby Generator 60 kW, 277/480 Volts, LP, Model# QT06030KVSN Generac Commercial Series Liquid-Cooled Standby Generator 60 kW, 277/480 Volts, LP, Model# QT06030KVSN
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Generac Guardian Series QT03016 30,000 Watt Liquid Cooled Propane/Natural Gas Powered Home Automatic Standby Generator (CARB Compliant) Generac Guardian Series QT03016 30,000 Watt Liquid Cooled Propane/Natural Gas Powered Home Automatic Standby Generator (CARB Compliant)
Buy new: $8,927.00
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Generac QT04524Y 45,000 Watt Liquid Cooled Propane/Natural Gas Powered Home Automatic Standby Generator (CARB Compliant) Generac QT04524Y 45,000 Watt Liquid Cooled Propane/Natural Gas Powered Home Automatic Standby Generator (CARB Compliant)
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Generac 4582-2 Ultra Source 15,000 Watt Portable Generator (CARB Compliant) Generac 4582-2 Ultra Source 15,000 Watt Portable Generator (CARB Compliant)
Buy used from: $4,500.00
Generac QT03016ANSX 30,000 Watt Liquid Cooled Propane/Natural Gas Powered Home Automatic Standby Generator (CARB Compliant) Generac QT03016ANSX 30,000 Watt Liquid Cooled Propane/Natural Gas Powered Home Automatic Standby Generator (CARB Compliant)
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Generac QuietSource Series QT02516 25,000 Watt Liquid Cooled Propane/Natural Gas Powered Home Automatic Standby Generator (CARB Compliant) Generac QuietSource Series QT02516 25,000 Watt Liquid Cooled Propane/Natural Gas Powered Home Automatic Standby Generator (CARB Compliant)
Buy new: $7,919.00
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Generac QT02516ANSX 25,000 Watt Liquid Cooled Propane/Natural Gas Powered Home Automatic Standby Generator (CARB Compliant) Generac QT02516ANSX 25,000 Watt Liquid Cooled Propane/Natural Gas Powered Home Automatic Standby Generator (CARB Compliant)
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Generac 3.0L Engine - Naturally Aspirated Gaseous Fueled UL 2200 Listed 

Quiet-Test Mode For Low Noise Exercise 61 dB(A) at 23 feet

Standard Equipment

All input connections in one single area Watertight state of the art electrical connectors
High coolant temperature shutdown Mainline circuit breaker
Low oil pressure shutdown Radiator drain extension
Low coolant level automatic shutdown Battery charge alternator
Overspeed automatic shutdown 2 Amp static battery charger
Crank timer Battery and battery cables
Exercise timer Battery rack
Oil drain extension Fan and belt guards
Cool flow radiator Isochronous governor
Closed coolant recovery system
UV/Ozone resistant hoses
FEATURES
Innovative design and fully prototype tested State of the art digital control system
UL2200 Listed Watertight electrical connectors
Solid state frequency compensated digital Rodent proof construction
voltage regulator High efficiency, low distortion Generac designed alternator
Dynamic and static battery charger Vibration isolated from mounting base
Sound attenuated acoustically designed enclosure Matching Generac transfer switches engineered and
Quiet test for low noise level exercise tested to work as a system
Acoustically designed engine cooling system All components easily accessible for maintenance
High flow low noise factory engineered exhaust system Electrostatically applied powder paint
R100 digital control panel
 

APPLICATION & ENGINEERING DATA 50 kW GENERATOR SPECIFICATIONS

Generator Features

Revolving field heavy duty generator

Directly connected to the engine

Operating temperature rise 120 C above a 40 C ambient

Insulation is Class H rated at 150 C rise

All models are fully prototyped tested

CONTROL PANEL FEATURES

SIX LED INDICATOR LIGHTS:

Overcrank shutdown Overspeed shutdown

Low coolant level shutdown High coolant temperature shutdown

Low oil pressure shutdown Low battery voltage

System ready for operation No utility sensing

Exerciser not set (in auto mode only) Low fuel pressure

Delay on utility failure for engine start Engine warmup before transfer

Delay to retransfer to utility Delay to retransfer to utility

Engine cooldown timer

INTERNAL FUNCTIONS:

3 position switch (auto, off and manual)

2 wire start for any transfer switch

Communicates with the Generac RTS transfer switch

Built-in 7 day exerciser

Selectable engine speed at exercise

Governor controller is built into the master control board

Temperature range -40 C to 70 C

ENGINE COOLING SYSTEM

TYPE ....................................................................................................................Closed

WATER PUMP ................................................................................................Belt driven

FAN SPEED..............................................................................................................1900

FAN DIAMETER................................................................................................22 inches

FAN MODE..............................................................................................................Puller

FUEL SYSTEM

FUEL TYPE ..........................................................................Natural gas, propane vapor

CARBURETOR ..............................................................................................Down Draft

SECONDARY FUEL REGULATOR ..................................................................Standard

FUEL SHUT OFF SOLENOID ..........................................................................Standard

OPERATING FUEL PRESSURE..................................................................5 - 14 H2O

ELECTRICAL SYSTEM

BATTERY CHARGE ALTERNATOR ............................................................12V 30 Amp

STATIC BATTERY CHARGER ..............................................................................2 Amp

RECOMMENDED BATTERY ......................................................................24F 625CCA

SYSTEM VOLTAGE ............................................................................................12 Volts

GOVERNOR SPECIFICATIONS

TYPE ................................................................................................................Electronic

FREQUENCY REGULATION .................................................................................. 1%

STEADY STATE REGULATION ............................................................................ 1/2%

ADJUSTMENTS

Speed......................................................................................................Yes

Droop ......................................................................................................Yes

ENGINE LUBRICATION SYSTEM

OIL PUMP ................................................................................................................Gear

OIL FILTER ..........................................................................................Full flow cartridge

CRANKCASE CAPACITY ..................................................................................4 Quarts

 

GENERATOR SPECIFICATIONS

TYPE ..........................................................................................................Synchronous

ROTOR INSULATION ..........................................................................................Class H

STATOR INSULATION ........................................................................................Class H

TOTAL HARMONIC DISTORTION ........................................................................<3.5%

TELEPHONE INTERFERENCE FACTOR (TIF) ........................................................<50

ALTERNATOR OUTPUT LEADS 3 PHASE............................................................4 wire

BEARINGS ....................................................................................................Sealed Ball

COUPLING ..................................................................................................Flexible Disc

LOAD CAPACITY (STANDBY RATING) ................................................................50 kW

EXCITATION SYSTEM............................................................................................Direct

NOTE: Generator rating and performance in accordance with ISO8528-5,

BS5514, SAE J1349, ISO3046, and DIN6271 standards.

GENERATOR FEATURES

Revolving field heavy duty generator

Directly connected to the engine

Operating temperature rise 120 C above a 40 C ambient

Insulation is Class H rated at 150 C rise

All models are fully prototyped tested

VOLTAGE REGULATOR

TYPE ................................................................................................................Electronic

SENSING ....................................................................................................Single Phase

REGULATION .......................................................................................................... 1%

FEATURES................................................................................................V/F Adjustable

Adjustable Voltage and Gain

LED Indicators

CONTROL PANEL FEATURES

SIX LED INDICATOR LIGHTS:

Overcrank shutdown Overspeed shutdown

Low coolant level shutdown High coolant temperature shutdown

Low oil pressure shutdown Low battery voltage

System ready for operation No utility sensing

Exerciser not set (in auto mode only) Low fuel pressure

Delay on utility failure for engine start Engine warmup before transfer

Delay to retransfer to utility Delay to retransfer to utility

Engine cooldown timer

INTERNAL FUNCTIONS:

3 position switch (auto, off and manual)

2 wire start for any transfer switch

Communicates with the Generac RTS transfer switch

Built-in 7 day exerciser

Selectable engine speed at exercise

Governor controller is built into the master control board

Temperature range -40 C to 70 C

ENGINE SPECIFICATIONS

MAKE ................................................................................................................ Generac

MODEL..................................................................................................................V Type

CYLINDERS ..................................................................................................................6

DISPLACEMENT ................................................................................................3.0 Liter

BORE ........................................................................................................................3.55

STROKE......................................................................................................................3.1

COMPRESSION RATIO ..........................................................................................9.3:1

INTAKE AIR SYSTEM........................................................................Naturally Aspirated

VALVE SEATS ..................................................................................................Hardened

LIFTER TYPE ....................................................................................................Hydraulic

 

Rating definitions - Standby: Applicable for supplying emergency power for the duration of the utility power outage. No overload capability is available for this rating. (All ratings in accordance with BS5514, ISO3046 and DIN6271). (All ratings in accordance with BS5514, ISO3046, ISO8528 and DIN6271).

 

50 kW OPERATING DATA

COMMERCIAL 50 kW
KW RATING 50
ENGINE SIZE 3.0 Liter V-6
GENERATOR OUTPUT VOLTAGE/KW - 60Hz 120/240V, 1-phase, 1.0 pf 120/208V, 3-phase, 3.0 pf 277/480V, 3-phase, 3.0 pf KW 50 50 50 AMP 208 173 75 CB Size 225 200 90
GENERATOR LOCKED ROTOR KVA AVAILABLE @ VOLTAGE DIP OF 35% Single phase or 208 3-phase 480V 3-phase 92 105
ENGINE FUEL CONSUMPTION (Natural Gas) Exercise cycle ft3/hr. 25% of rated load ft3/hr. 50% of rated load ft3/hr. 75% of rated load ft3/hr. 100% of rated load ft3/hr.116 185 357 497 687
ENGINE COOLING Air flow (inlet air including alternator and combustion air) ft3/min. Coolant capacity US gal. Heat rejection to coolant BTU/hr. Max. operating air temp. on radiator ˚C (˚F) Max. ambient temperature ˚C (˚F)3250 2.5 190,000 60 (150) 50 (140)
COMBUSTION AIR REQUIREMENTS Flow at rated power 60 Hz cfm 190
SOUND EMISSIONS IN DBA Exercising at 7 meters Full load at 7 meters 61 75
EXHAUST Exhaust flow at rated output 60 Hz cfm Exhaust temp. at muffler outlet ˚F 570 925
ENGINE PARAMETERS Rated synchronous RPM 60 Hz HP at rated KW 60 Hz 3600 78
POWER ADJUSTMENT FOR AMBIENT CONDITIONS Temperature Deration 3% for every 10 ˚C above - ˚C 1.65% for every 10 ˚F above - ˚F Altitude Deration 1% for every 100 m above - m 3% for every 1000 ft. above - ft. 25 77 182 600

RATING: All three phases units are rated at 0.8 power factor. All single phase units are rated at 1.0 power factor. STANDBY RATING: Standby ratings apply to installations served by a reliable utility source. The standby rating is applicable to varying loads for the duration of a power outage. There is no overload capability for this rating. Ratings are in accordance with ISO-3046-1. Design and specifications are subject to change without notice. KW rating is based on LPG Fuel and may derate with natural gas.

INTERCONNECTIONS DIAGRAM 50 kW Generator Generac Guardian Elite

INSTALLATION LAYOUT DIAGRAM 
50kW liquid cooled commercial generator from Generac Guardian Elite

UNIT WEIGHT 1590 LBS.

GENERAC® POWER SYSTEMS All specifications are subject to change without notice.

 

30kW - 3.0L Liquid Cooled 40kW - 3.9L Liquid Cooled 50kW - 3.0L Liquid Cooled 55kW - 5.4L Liquid Cooled 70kW - 3.9L Liquid Cooled 70kW - 6.8L Liquid Cooled 80kW - 5.4L Liquid Cooled 100kW - 5.4L Liquid Cooled 100kW - 6.8L Liquid Cooled 130kW - 6.8L Liquid Cooled 150kW - 6.8L Liquid Cooled 11 kW 15, 20 & 25 kW 30 kW & 40 kW

 

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