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

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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