Generac Power Systems SG400 Manuel utilisateur
Standby Power Rating
400 kW 500 kVA 60 Hz
Prime Power Rating*
360 kW 450 kVA 60 Hz
21.9L
Industrial Spark-Ignited Generator Set
EPA Certified Stationary Emergency
Image used for illustration purposes only
*EPA Certified Prime ratings are not available in the U.S. or its Territories
NFPA70, 99, 110, 37
ISO9001, 8528, 3046, 7637, Pluses #2b, 4
NEMA ICS10, MG1, 250, ICS6, AB1
NEC700, 701, 702, 708
UL2200, UL508, UL142, UL498
ANSI C62.41
IBC 2009, CBC 2010, IBC 2012, ASCE 7-05,
ASCE 7-10, ICC-ES AC-156 (2012)
SG400
SG400 400 kW
For over 50 years, Generac has led the industry with
innovative design and superior manufacturing.
Generac ensures superior quality by designing and
manufacturing most of its generator components,
including alternators, enclosures and base tanks,
control systems and communications software.
Generac’s gensets utilize a wide variety of options,
configurations and arrangements, allowing us to
meet the standby power needs of practically every
application.
Generac searched globally to ensure the most reliable
engines power our generators. We choose only engines
that have already been proven in heavy-duty industrial
application under adverse conditions.
Generac is committed to ensuring our customers’
service support continues after their generator
purchase.
Powering Ahead
Codes and Standards
Generac products are designed to the following standards:
CONTROL SYSTEM
Standard Features
ENGINE SYSTEM
General
Oil Drain Extension
Air Cleaner
Fan Guard
Stainless Steel flexible exhaust connection
Critical Exhaust Silencer
Factory Filled Oil
Radiator duct adapter (open set only)
Fuel System
Primary and Secondary Fuel Shutoff
Cooling System
Closed Coolant Recovery System
UV/Ozone resistant hoses
Factory-installed Radiator
Radiator drain extension
50/50 Ethylene glycol antifreeze
Engine Electrical System
Battery charging alternator
Battery Cables
Battery Tray
Solenoid activated starter motor
Rubber-booted engine electrical connections
ALTERNATOR SYSTEM
UL2200 GENprotect™
Class H insulation material
2/3 Pitch
Skewed Stator
Permanent Magnet Excitation
Sealed Bearings
Amortisseur winding
Full load capacity alternator
GENERATOR SET
Internal Genset Vibration Isolation
Separation of circuits - high/low voltage
Separation of circuits - multiple breakers
Wrapped Exhaust Piping
Standard Factory Testing
2 Year Limited Warranty (Standby rated Units)
1 Year Warranty (Prime rated units)
Silencer mounted in the discharge hood
(enclosed only)
ENCLOSURE (if selected)
Rust-proof fasteners with nylon washers to
protect finish
High performance sound-absorbing material
Gasketed doors
Stamped air-intake louvers
Air discharge hoods for radiator-upward
pointing
Stainless steel lift off door hinges
Stainless steel lockable handles
Rhino Coat™ - Textured polyester powder coat
Control Panel
Digital H Control Panel - Dual 4x20 Display
Programmable Crank Limiter
7-Day Programmable Exerciser
Special Applications Programmable PLC
RS-232/485
All-Phase Sensing DVR
Full System Status
Utility Monitoring
Low Fuel Pressure Indication
2-Wire Start Compatible
Power Output (kW)
Power Factor
kW Hours, Total & Last Run
Real/Reactive/Apparent Power
All Phase AC Voltage
All Phase Currents
Oil Pressure
Coolant Temperature
Coolant Level
Engine Speed
Battery Voltage
Frequency
Date/Time Fault History (Event Log)
Isochronous Governor Control
Waterproof/sealed Connectors
Audible Alarms and Shutdowns
Not in Auto (Flashing Light)
Auto/Off/Manual Switch
E-Stop (Red Mushroom-Type)
NFPA110 Level I and II (Programmable)
Customizable Alarms, Warnings, and Events
Modbus protocol
Predictive Maintenance algorithm
Sealed Boards
Password parameter adjustment protection
Single point ground
15 channel data logging
0.2 msec high speed data logging
Alarm information automatically comes up
on the display
Alarms
Oil Pressure (Pre-programmable Low
Pressure Shutdown)
Coolant Temperature (Pre-programmed High
Temp Shutdown)
Coolant Level (Pre-programmed Low Level
Shutdown)
Low Fuel Pressure Alarm
Engine Speed (Pre-programmed Over speed
Shutdown)
Battery Voltage Warning
Alarms & warnings time and date stamped
Alarms & warnings for transient and steady
state conditions
Snap shots of key operation parameters
during alarms & warnings
Alarms and warnings spelled out (no alarm
codes)
SG400
SG400 400 kW
Engineered Options
CONTROL SYSTEM
Rating Definitions
Configurable Options
ENGINE SYSTEM
Coolant heater ball valves
Fluid containment pans
ALTERNATOR SYSTEM
3rd Breaker Systems
GENERATOR SET
Special Testing
Battery Box
ENCLOSURE
Motorized Dampers
Enclosure Ambient Heaters
Door Alarm Switch
CONTROL SYSTEM
Spare inputs (x4) / outputs (x4) - H Panel
Only
Battery Disconnect Switch
ENGINE SYSTEM
General
Engine Block Heater with ball valves
Flexible Fuel Line - NPT Connection
Oil Heater
Air Filter Restriction Indicator
Stone Guard (Open Set Only)
Engine Electrical System
10A UL battery charger
Battery Warmer
ALTERNATOR SYSTEM
Alternator Upsizing
Anti-Condensation Heater
Tropical coating (480/600 V non-upsized
only)
GENERATOR SET
Gen-Link Communications Software (English
Only)
Extended Factory Testing (3 Phase Only)
8 Position Load Center
2 Year Extended Warranty
5 Year Warranty
5 Year Extended Warranty
CIRCUIT BREAKER OPTIONS
Main Line Circuit Breaker
2nd Main Line Circuit Breaker
Shunt Trip and Auxiliary Contact
Electronic Trip Breakers
ENCLOSURE
Standard Enclosure
Level 1 Sound Attenuation
Level 2 Sound Attenuation
Steel Enclosure
Aluminum Enclosure
180 MPH Wind Kit
12 VDC Enclosure Lighting Kit
120 VAC Enclosure Lighting Kit
AC/DC Enclosure Lighting Kit
21-Light Remote Annunciator
Remote Relay Panel (8 or 16)
Oil Temperature Sender with Indication Alarm
Remote E-Stop (Break Glass-Type, Surface
Mount)
Remote E-Stop (Red Mushroom-Type,
Surface Mount)
Remote E-Stop (Red Mushroom-Type, Flush
Mount)
Remote Communication - Modem
Remote Communication - Ethernet
10A Run Relay
Ground fault indication and protection func-
tions
Standby – Applicable for a varying emergency load for the duration of a utility power outage with no overload capability.
Prime – Applicable for supplying power to a varying load in lieu of utility for an unlimited amount of running time. A 10% overload capacity is available for 1 out of
every 12 hours. The Prime Power option is only available on International applications.
Power ratings in accordance with ISO 8528-1, Second Edition dated 2005-06-01, definitions for Prime Power (PRP) and Emergency Standby Power (ESP).
SG400
SG400 400 kW
Standard Model 520
Poles 4
Field Type Revolving
Insulation Class - Rotor H
Insulation Class - Stator H
Total Harmonic Distortion <5%
Telephone Interference Factor (TIF) <50
Standard Excitation Permanent Magnet
Bearings Sealed Ball
Coupling Direct, Flexible Disc
Prototype Short Circuit Test Yes
Voltage Regulator Type Full Digital
Number of Sensed Phases 5
Regulation Accuracy (Steady State) +/- 0.25%
General
Make Generac
Cylinder # 12
Type V12
Displacement - L (Cu In) 21.9 (1336.42)
Bore - mm (in) 128 (5.03)
Stroke - mm (in) 142 (5.6)
Compression Ratio 10:1
Intake Air Method Turbocharged/Aftercooled
Number of Main Bearings 7
Connecting Rods Alloy Steel
Cylinder Head Cast Iron - OHV
Cylinder Liners Cast Alloy Steel
Ignition Altronic CD200D
Pistons Aluminum Alloy
Crankshaft Forged Alloy Steel
Lifter Type Solid
Intake Valve Material High Temp Alloy Steel
Exhaust Valve Material High Temp Alloy Steel
Hardened Valve Seats High Temp Alloy Steel
Engine Governing
Governor Electronic
Frequency Regulation (Steady State) (+/-) 0.25%
Lubrication System
Oil Pump Type Gear
Oil Filter Type Twin Full flow with intercooler
Crankcase Capacity - L (qts) 30 (31.7)
Cooling System
Cooling System Type Pressurized Closed Recovery
Water Pump Flow - gpm (lpm) 211 (800)
Fan Type Pusher
Fan Speed (rpm) 1404
Fan Diameter mm (in) 44
Coolant Heater Wattage 2500
Coolant Heater Standard Voltage 240 V
Fuel System
Fuel Type Natural Gas
Carburetor Down Draft
Secondary Fuel Regulator Standard
Fuel Shut Off Solenoid Standard (Dual)
Operating Fuel Pressure 11" - 15" H2O
Engine Electrical System
System Voltage 24 VDC
Battery Charging Alternator Std
Battery Size See Battery Index 0161970SBY
Battery Voltage (2) 12 VDC
Ground Polarity Negative
ENGINE SPECIFICATIONS
ALTERNATOR SPECIFICATIONS
SG400 application and engineering data
SG400 400 kW
FUEL CONSUMPTION RATES*
STARTING CAPABILITIES (sKVA)
POWER RATINGS
*Fuel supply installation must accommodate fuel consumption rates at 100% load.
COOLING
COMBUSTION AIR REQUIREMENTS
Natural Gas – ft3/hr (m3/hr)
Percent Load Standby
25% 1856 (52.6)
50% 2845 (80.5)
75% 3833 (108.5)
100% 4823 (136.6)
Standby
Cooling Fan Air Flow (Open Set) ft3/min (m3/min) 25,100 (711)
Coolant Flow per Minute gpm (lpm) 211 (800)
Coolant System Capacity gal (L) 23 (87)
Heat Rejection to Coolant BTU/hr 1,102,122
Max. Operating Air Temp on Radiator ºF (ºC) 122 (50.0)
Maximum Additional Radiator Backpressure in H2O 0.5
Standby
Flow at Rated Power cfm (m3/min) 750 ( 21)
Standby
Rated Engine Speed rpm 1800
Engine Horsepower** hp 620
Piston Speed ft/min (m/min) -
BMEP psi 123
** Refer to “Emissions Data Sheet” for maximum bHP for EPA and SCAQMD permitting
purposes.
Standby
Exhaust Flow (Rated Output) cfm (m3/min) 2720 ( 77)
Maximum Recommended Back Pressure (Post Turbo) inHg 1.5
Exhaust Temp (Rated Output - post silencer) ºF (ºC) 1350 (732)
Exhaust Outlet Size (Open Set) in 3.5" O.D. Flex (No Muffler)
ENGINE EXHAUST
Natural Gas
Three-Phase 120/208 VAC @0.8pf 400 kW Amps: 1389
Three-Phase 120/240 VAC @0.8pf 400 kW Amps: 1204
Three-Phase 277/480 VAC @0.8pf 400 kW Amps: 602
Three-Phase 346/600 VAC @0.8pf 400 kW Amps: 481
sKVA vs. Voltage Dip
480 VAC 208/240 VAC
Alternator kW 10% 15% 20% 25% 30% 35% 10% 15% 20% 25% 30% 35%
Standard 400 387 581 775 968 1162 1356 345 570 835 1100 1450 1710
Upsize 1 555 457 686 914 1143 1371 1600 - - - - - -
Upsize 2 642 471 707 943 1179 1414 1650 543 814 1086 1357 1629 1900
SG400 operating data
Deration – Operational characteristics consider maximum ambient conditions. Derate factors may apply under atypical site conditions. Please consult a Generac Power Systems Industrial Dealer for
additional details. All performance ratings in accordance with ISO3046, BS5514, ISO8528 and DIN6271 standards.
SG400 400 kW
*All measurements are approximate and for estimation purposes only. Sound levels measured at 23 ft (7 m) and does not account for ambient site conditions.
OPEN SET (Includes Exhaust Flex)
L x W x H in (mm) 154.4 (3923) x 71 (1803) x 67 (1702)
Weight lbs (kg) 8429 (3823)
Sound Level (dBA*) 93
STANDARD ENCLOSURE
L x W x H in (mm) 207.4 (5268) x 71 (1803) x 80 (2032)
Weight lbs (kg) Steel: 10428 (4730)
Aluminum: 9298 (4217)
Sound Level (dBA*) 92
LEVEL 1 ACOUSTIC ENCLOSURE
L x W x H in (mm) 247.5 (6285) x 71 (1803) x 80 (2032)
Weight lbs (kg) Steel: 11211 (5085)
Aluminum: 9720 (4409)
Sound Level (dBA*) 84
LEVEL 2 ACOUSTIC ENCLOSURE
L x W x H in (mm) 207.4 (5268) x 71 (1803) x 114 (2899)
Weight lbs (kg) Steel: 11759 (5333)
Aluminum: 9951 (4513)
Sound Level (dBA*) 75
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. Part No. 0K6098-A / Printed in U.S.A. 11/14/13
Specification characteristics may change without notice. Please consult a Generac Power Systems Industrial Dealer for detailed installation drawings.
SG400 dimensions, weights, and sound levels
YOUR FACTORY RECOGNIZED GENERAC INDUSTRIAL DEALER
SG400 400 kW
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