®
Protector™
Series
INCLUDES:
• Two Line LCD Multilingual Digital
Evolution™ Controller (English/Spanish/
French/Portuguese) with external viewing
window for easy indication of generator
status and breaker position.
• Isochronous Electronic Governor
• Sound Attenuated Enclosure
• Smart Battery Charger
• UV/Ozone Resistant Hoses
• ±1% Voltage Regulation
• Integrated Base Tank Provides 24 Hour
Run Time Minimum at 1/2 Load
Standby Generators
Diesel Engine
Protector™ Series
1 of 6
Not for sale outside of US/CA
Standby Power Rating
Model RD015 (Gray) - 15 kW 60 Hz
Model RD020 (Gray) - 20 kW 60 Hz
Model RD030 (Gray) - 30 kW 60 Hz
Model RD048 (Gray) - 48 kW 60 Hz (single phase only)
Model RD050 (Gray) - 50 kW 60 Hz (three phase only)
• 5 Year Limited Warranty
• UL/CUL2200/UL 142 Listed
• Meets code requirements for External
Vent and Fill
FEATURES
¡ INNOVATIVE DESIGN & PROTOTYPE TESTING are key components of
GENERAC’S success in “IMPROVING POWER BY DESIGN.” But it
doesn’t stop there. Total commitment to component testing, reliability
testing, environmental testing, destruction and life testing, plus testing
to applicable CSA, NEMA, EGSA, and other standards, allows you to
choose GENERAC POWER SYSTEMS with the confidence that these
systems will provide superior performance.
¡ TEST CRITERIA:
PROTOTYPE TESTED NEMA MG1-22 EVALUATION
SYSTEM TORSIONAL TESTED MOTOR STARTING ABILITY
Meets EPA Emission Regulations
CA/MA Emissions Compliant
¡ SOLID-STATE, FREQUENCY COMPENSATED VOLTAGE REGULATION.
This state-of-the-art power maximizing regulation system is standard on
all Generac models. It provides optimized FAST RESPONSE to changing
load conditions and MAXIMUM MOTOR STARTING CAPABILITY by
electronically torque-matching the surge loads to the engine. Digital
voltage regulation at ±1%.
¡ SINGLE SOURCE SERVICE RESPONSE from Generac’s extensive dealer
network provides parts and service know-how for the entire unit, from the
engine to the smallest electronic component.
¡ GENERAC TRANSFER SWITCHES. Long life and reliability are
synonymous with GENERAC POWER SYSTEMS. One reason for this
confidence is that the GENERAC product line includes its own transfer
systems and controls for total system compatibility.
15 • 20 • 30 • 48 • 50 kW application & engineering data
GENERATOR SPECIFICATIONS
Type Synchronous
Protector™ Series
Rotor Insulation Class H (15 & 20 kW) or F (30 & 50 kW)
2 of 6
Stator Insulation Class H
Telephone Interference Factor (TIF) <50
Alternator Output Leads 1-Phase 3 wire
Alternator Output Leads 3-Phase 6 wire
Bearings Single Sealed Cartridge
Coupling Direct, Flexible Disc
Excitation System Direct
VOLTAGE REGULATION
Type Electronic
Sensing Single Phase
Regulation ± 1%
Features Adjustable Voltage & Gain
®
GOVERNOR SPECIFICATIONS
Type Electronic Isochronous
Steady State Regulation ± 0.25%
ELECTRICAL SYSTEM
Battery Charge Alternator 50 Amp (15 & 20 kW) or 70 Amp (30, & & 50 kW)
Smart Battery Charger 2 Amp
Recommended Battery
System Voltage 12 Volts
Group 27F, 700 CCA
GENERATOR FEATURES
Revolving field heavy duty generator
Directly connected to the engine
Operating temperature rise 120°C above a 40°C ambient
Class H insulation is rated at 150°C rise at 25°C ambient
Class F insulation is rated at 145°C rise at 25°C ambient
All models fully prototype tested
ENCLOSURE FEATURES
Steel weather protective enclosure with aluminum roof
Enclosed critical grade muffler Quiet, critical grade muffler is mounted inside the unit to prevent injuries and
Small, compact, attractive Makes for an easy, eye appealing installation.
SAE Sound attenuated enclosure ensures quiet operation.
Ensures protection against mother nature. Electrostatically applied textured epoxy paint
for added durability.
maximize sound dampening.
(All ratings in accordance with BS5514, ISO3046, ISO8528, SAE J1349 and DIN6271)
15 • 20 • 30 • 48 • 50 kW application & engineering data
®
ENGINE SPECIFICATIONS: 15 & 20 kW
Make Generac
Model In-line
Cylinders 4
Displacement (Liters) 2.28
Bore (in./mm) 3.46/88
Stroke (in./mm) 3.70/94
Compression Ratio 21.3:1
Intake Air System Naturally Aspirated
Cylinder Head Type Cast Iron OHV
Piston Type Aluminum
EPA Emissions Compliance Emergency Stationary
ENGINE SPECIFICATIONS: 30 kW
Make Generac
Model In-line
Cylinders 4
Displacement (Liters) 2.4
Bore (in/mm) 3.54/90
Stroke (in/mm) 3.70/94
Compression Ratio 21.3:1
Intake Air System Turbocharged
Cylinder Head Type Cast Iron OHV
Piston Type Aluminum
EPA Emissions Compliance Emergency Stationary
ENGINE SPECIFICATIONS: 48/50 kW
Make Generac
Model In-Line
Cylinders 4
Displacement (Liters) 3.4
Bore in/mm 3.86/98
Stroke in/mm 4.45/113
Compression Ratio 18.5:1
Intake Air System Turbocharged/Aftercooled
Cylinder Head Type Cast Iron OHV
Piston Type Aluminum
EPA Emissions Compliance Emergency Stationary
ENGINE LUBRICATION SYSTEM
Oil Pump Type Gear
Oil Filter Type Full flow spin-on canister
6.87/6.5 - 15 & 20 kW
Crankcase Capacity (quarts/liters)
6.8/6.4 - 30 kW
7.4/7 - 48 & 50 kW
ENGINE COOLING SYSTEM
Type
Water Pump Pre-lubed, self-seating
Fan Speed (rpm)
Fan Diameter (in/mm)
Fan Mode Pusher
Pressurized radiator - 15 & 20 kW
Closed recovery - 30, 48 & 50 kW
1800 - 15 & 20 kW
2061 - 30 kW
2029 - 48 & 50 kW
18.11/460 (15 & 20 kW) or
22/559 (30, 48 & 50 kW)
FUEL SYSTEM
Fuel Type Ultra Low Sulfur Diesel Fuel
Fuel Pump Type Mechanical Engine Driven Gear
Injector Type Mechanical
Fuel Supply Line (mm/in) 7.94/0.31 (ID)
Fuel Return Line (mm/in) 7.94/0.31(ID)
Fuel Specification ASTM
Fuel Filtering (microns) 5 (15, 20 & 30 kW)
or 10 (48 & 50 kW)
TANK SPECIFICATIONS
Total Size (gallons/liters) 34/128.7 - 15 & 20 kW
62/234.7 - 30, 48 & 50 kW
Usable Size (gallons/liters) 32/121.1 - 15 & 20 kW
57/215.8 - 30, 48 & 50 kW
Run Time @ 1/2 Load (hrs) 38 - 15 kW
28.6 - 20 kW
36.7 - 30 kW
24 - 48 & 50 kW
Listings UL142
Protector™ Series
3 of 6
15 • 20 • 30 • 48 • 50 kW operating data
GENERATOR OUTPUT VOLTAGE/kW - 60 Hz
Protector™ Series
4 of 6
RD015
RD020
RD030
RD048/RD050
®
kW (Standby) Amp (Standby) CB Size
120/240 V, 1Ø, 1.0 pf 15 62 70
120/208 V, 3Ø, 0.8 pf 15 52 60
120/240 V, 3Ø, 0.8 pf 15 45 50
120/240 V, 1Ø, 1.0 pf 20 83 100
120/208 V, 3Ø, 0.8 pf 20 69 80
120/240 V, 3Ø, 0.8 pf 20 60 70
120/240 V, 1Ø, 1.0 pf 30 125 150
120/208 V, 3Ø, 0.8 pf 30 104 125
120/240 V, 3Ø, 0.8 pf 30 90 100
277/480 V, 3Ø, 0.8 pf 30 45 50
120/240 V, 1Ø, 1.0 pf 48 200 200
120/208 V, 3Ø, 0.8 pf 50 173 200
120/240 V, 3Ø, 0.8 pf 50 150 175
277/480 V, 3Ø, 0.8 pf 50 75 90
SURGE CAPACITY IN AMPS
120/240 V, 1Ø 53 129
RD015
RD020
RD030
RD048/RD050
120/208 V, 3Ø 37 90
120/240 V, 3Ø 32 78
120/240 V, 1Ø 87 211
120/208 V, 3Ø 59 143
120/240 V, 3Ø 51 124
120/240 V, 1Ø 66 168
120/208 V, 3Ø 59 144
120/240 V, 3Ø 51 125
277/480 V, 3Ø 26 64
120/240 V, 1Ø 69 189
120/208 V, 3Ø 90 218
120/240 V, 3Ø 78 189
277/480 V, 3Ø 36 87
Voltage Dip @ < .4 pf
15% 30%
ENGINE FUEL CONSUMPTION
25% of rated load 0.51 1.93
RD015
RD020
RD030
RD048/RD050
50% of rated load 0.79 2.99
75% of rated load 1.14 4.31
100% of rated load 1.48 5.58
25% of rated load 0.67 2.6
50% of rated load 1.05 3.97
75% of rated load 1.52 5.32
100% of rated load 1.98 7.48
25% of rated load 0.92 3.5
50% of rated load 1.45 5.5
75% of rated load 1.96 7.4
100% of rated load 2.74 10.4
25% of rated load 1.35 4.92
50% of rated load 2.15 8.71
75% of rated load 3.06 12.5
100% of rated load 3.98 16.36
gal/hr L/hr
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.
15 • 20 • 30 • 48 • 50 kW operating data
ENGINE COOLING
15 kW 20 kW 30 kW 48/50 kW
Air flow (inlet air including alternator and combustion air in cfm/cmm) 2824/80 2824/80 3038/86 2824/80
System coolant capacity (gal/liters) 2.8/10.6 2.8/10.6 2.8/10.6 2.8/10.6
Heat rejection to coolant (BTU per hr/MJ per hr) 63,535/67 63,535/67 111,000/117.1 135,900/143.4
Maximum operation air temperature on radiator (°C/°F) 50/122
Maximum ambient temperature (°C/°F) 50/122
COMBUSTION REQUIREMENTS
Flow at rated power (cfm/cmm) 190/5.38 190/5.38 190/2.55 190/5.38
SOUND EMISSIONS
Exercising at 7 meters/23 feet (dB(A)) 65
Normal operation at 7 meters/23 feet (dB(A)) 70
*Sound levels are taken from the front of the generator. Sound levels taken from other sides of the generator may be higher depending on installation parameters.
EXHAUST
®
Protector™ Series
5 of 6
Exhaust flow at rated output (cfm/cmm) 448/12.7 448/12.7 230/6.51 448/12.7
Exhaust temperature at rated output (°C/°F) 604.4/1120 604.4/1120 454.4/850 604.4/1120
ENGINE PARAMETERS
Rated Synchronous RPM 1800
HP at rated kW 26.4 33.5 49 85
POWER ADJUSTMENT FOR AMBIENT CONDITIONS
Temperature Deration .................................................................................................................3% for every 5 °C above 25 °C or 1.7% for every 5 °F above 77 °F
Altitude Deration (15, 30, 48 & 50 kW) .............................................................................1% for every 100 m above 915 m or 3% for every 1000 ft above 3000 ft
Altitude Deration (20 kW) ................................................................................................ 1% for every 100 m above 305 m or 3% for every 1000 ft above 1000 ft
CONTROLLER FEATURES
2-Line Plain Text Multilingual LCD Display .....................................................................................................................Simple user interface for ease of operation.
Mode Buttons: Auto ............................................................................................................................................Automatic Start on Utility failure. 7 day exerciser.
Manual ....................................................................................... Start with starter control, unit stays on. If utility fails, transfer to load takes place.
Off .........................................................................................................................Stops unit. Power is removed. Control and charger still operate.
Ready to Run/Maintenance Messages ................................................................................................................................................................................ Standard
Engine Run Hours Indication .............................................................................................................................................................................................. Standard
Programmable start delay between 2-1500 seconds .........................................................................................................Standard (programmable by dealer only)
Utility Voltage Loss/Return to Utility Adjustable .................................................................................................................................... From 140-171 V/190-216 V
Future Set Capable Exerciser/Exercise Set Error Warning .................................................................................................................................................... Standard
Run/Alarm/Maintenance Logs .................................................................................................................................................................................50 Events Each
Engine Start Sequence ................................................................................................................... Cyclic cranking: 16 sec on, 7 rest (90 sec maximum duration).
Starter Lock-out ...............................................................................................................................Starter cannot re-engage until 5 sec after engine has stopped.
Smart Battery Charger ....................................................................................................................................................................................................... Standard
Charger Fault/Missing AC Warning ..................................................................................................................................................................................... Standard
Low Battery/Battery Problem Protection and Battery Condition Indication ........................................................................................................................... Standard
Automatic Voltage Regulation with Over and Under Voltage Protection ............................................................................................................................... Standard
Under-Frequency/Overload/Stepper Overcurrent Protection ................................................................................................................................................. Standard
Safety Fused/Fuse Problem Protection ............................................................................................................................................................................... Standard
Automatic Low Oil Pressure/High Oil Temperature Shutdown ............................................................................................................................................. Standard
Overcrank/Overspeed (@ 72 Hz)/RPM Sense Loss Shutdown ........................................................................................................................................... Standard
High Engine Temperature Shutdown .................................................................................................................................................................................. Standard
Internal Fault/Incorrect Wiring Protection ........................................................................................................................................................................... Standard
Common External Fault Capability ..................................................................................................................................................................................... Standard
Field Upgradable Firmware ................................................................................................................................................................................................Standard
15 • 20 • 30 • 48 • 50 kW available accessories
®
Model # Product Description
006502-0 Spill Box
Protector™ Series
6 of 6
006504-0 90% Fuel Level Alarm
006505-0 - 15 & 20 kW
006506-0 - 30 & 50 kW
006507-0 Fuel Fill Drop Tube
006513-0 - 15 & 20 kW
006517-0 - 30 kW
006516-0 - 50 kW
006510-0 E-Stop
006511-0 Spill Box Drainback Kit
006512-0 Lockable Fuel Cap
006572-0 - 15 & 20 kW
006571-0 - 30 kW
006570-0 - 50 kW
006560-0 - 15 & 20 kW
006559-0 - 30 kW
006558-0 - 50 kW
006576-0 Fuel Maintenance Kit
005704-0 Paint Kit
Tank Risers
Stainless Steel Fuel Lines
Maintenance Kits
Cold Weather Kits
®
The 5-gallon spill box screws into the existing fuel fill port of the base tank. It captures and
contains fuel if over fueling or spilling occurs during the fill process.
The 90% fuel level alarm alerts the fuel fill operator when the tank reaches a 90% fill level by
sounding an audible alarm and triggering an LED warning light.
Tank risers are required in some municipalities to help avoid potential base tank corrosion
caused by mounting on rough surfaces.
A powder coat painted, steel fuel fill drop tube is required in some municipalities to prevent
sparking due to static electricity buildup, which can be caused by the fuel dropping into the
tank from the fill area. Using a drop tube also results in submerged filling, which increases
the fuel delivery flow rate and reduces vapors, foam and potential tank evaporation.
Some municipalities require the use of stainless steel fuel lines instead of the standard hoses
provided with the diesel generator products. These stainless steel lines are fire resistant for
additional safety.
E-stop allows for immediate fuel shutoff and generator shutdown in the event of an
emergency.
The spill box drainback kit allows fuel that was captured in the 5-gallon spill box to be drained
directly back into the fuel tank to avoid vapors.
The cast iron, lockable fuel cap provides the ability to lock the fuel system to prevent
unwanted fuel tampering or fuel siphoning.
The Protector Maintenance Kits offer all the hardware necessary to perform complete
maintenance on Generac Protector generators.
Recommended for generators installed in regions where the temperature regularly falls below
32 °F (0 °C). The Cold Weather Kits consist of a block heater with all necessary mounting
hardware and a battery warmer with a thermostat built into the battery wrap.
The Fuel Maintenance Kit contains everything needed to maintain and clean a diesel fuel
system
If the generator enclosure is scratched or damaged, it is important to touch-up the paint to
protect from future corrosion. The paint kit includes the necessary paint to properly maintain
or touch-up a generator enclosure.
005928-0 Basic Wireless Remote
005951-0
006199-0 PMM Starter Kit
006186-0
Advanced Wireless
Remote
Power Management
Module (50 Amps)
006463-0 Mobile Link™
006478-0 Harness Adapter Kit
Generac Power Systems, Inc. • S45 W29290 HWY. 59, Waukesha, WI 53189 • generac.com
©2013 Generac Power Systems, Inc. All rights reserved. All specifications are subject to change without notice. Bulletin 0K4729-A Printed in U.S.A. 07/19/13
Completely wireless and battery powered, Generac's wireless remote monitor provides you
with instant status information without ever leaving the house.
Remotely control generator functions with the advanced model's LCD display. In addition to
remote testing of the generator, set the exercise cycle and maintenance interval reminders.
The PMM Starter Kit consists of a 24 VAC, field installed transformer that enables the use
of the 24 VAC Power Management Modules (PMMs) and one PMM. The standard controller
(without starter kit) can control two HVAC loads with no additional hardware. Not compatible
with pre-wired switches.
Power Management Modules are used in conjunction with the Smart Switch to increase its
power management capabilities. It gives the Smart Switch additional power management
flexibility not found in any other transfer switch. Not compatible with pre-wired switches.
Note: PMM Starter Kit required.
Generac's Mobile Link allows you to check the status of your generator from
anywhere that you have access to an Internet connection from a PC or with any
smart device. You will even be notified when a change in the generator’s status
occurs via e-mail or text message. Note: Harness Adapter Kit required.
The Harness Adapter Kit is required to make liquid-cooled units compatible with
Mobile Link™.
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