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Generator Set CONFIGURED FOR PARALLELING MODULAR PARALLELING SYSTEM

UL2200 TESTED ENSURES A QUALITY PRODUCT

RHINOCOAT PAINT SYSTEM IMPROVES RESISTANCE TO ELEMENTS

WIDE RANGE OF ENCLOSURES AND TANKS PROVIDES A SINGLE SOURCE SOLUTION

Engine

EPA TIER COMPLIANT ENVIRONMENTALLY FRIENDLY

INDUSTRIAL TESTED, GENERAC APPROVED FOR INDUSTRIAL APPLICATIONS

POWER-MATCHED OUTPUT ENGINEERED FOR PERFORMANCE

INDUSTRIAL GRADE IMPROVES LONGEVITY AND RELIABILITY

Alternator

TWO-THIRDS PITCH ELIMINATES HARMFUL 3RD HARMONIC

LAYER WOUND ROTOR & STATOR IMPROVES COOLING

CLASS H MATERIALS HEAT TOLERANT DESIGN

DIGITAL 3-PHASE VOLTAGE CONTROL FAST AND ACCURATE RESPONSE

Controls

ENCAPSULATED BOARD W/ SEALED HARNESS EASY, AFFORDABLE REPLACEMENT

4-20mA VOLTAGE-TO-CURRENT SENSORS NOISE RESISTANT 24/7 MONITORING

SURFACE-MOUNT TECHNOLOGY PROVIDES VIBRATION RESISTANCE

ADVANCED DIAGNOSTICS & COMMUNICATIONS HARDENED RELIABILITY

Industrial Diesel Generator SetEPA Emissions Certification: Tier III

MD350

Standby Power Rating350KW 60 Hz

Prime Power Rating280KW 60 Hz

features benefits

primary codes and standards

MD

350

350k

W

ENGINE SPECIFICATIONS

General Cooling SystemMake Cooling System TypeEPA Emissions Compliance Water PumpEPA Emissions Reference Fan TypeCylinder # Fan Blade Number Type Fan Diameter (in.)Displacement - L (cu. in.) Coolant Heater WattageBore - mm (in.) Coolant Heater Standard VoltageStroke - mm (in.)Compression Ratio Fuel SystemIntake Air Method Fuel Type*Cylinder Head Type Fuel SpecificationsPiston Type Fuel Filtering (microns)

Fuel Inject Pump MakeFuel Pump TypeInjector Type

Engine Governing Engine TypeGovernor Fuel Supply LineFrequency Regulation (Steady State) Fuel Return Line

* LS-Low Sulphur, ULS-Ultra Low Sulfur

Engine Electrical SystemSystem VoltageBattery Charging Alternator

Lubrication System Battery Size (at 0 oC)Oil Pump Type Battery GroupOil Filter Type Battery Voltage

Iveco / FPT Closed Yes Tier III Belt Driven Centrifugal

See Emissions Data Sheet Pusher6 2466 (10)

Diesel 3012.9 Liter Two 2000 Watt

4.09 2405.19616.5:1

Turbocharged/Aftercooled #2 Diesel LS or ULS4 Valve ASTM

Aluminum 5Electronic

Engine Driven GearElectronic

Pre-CombustionElectronic 1/2" NPT

Isochronous 1/2" NPT

24VDC90 Amp995 CCA

Gear 31Full Flow (2) - 12 VoltOil Filter Type Battery Voltage

Crankcase Capacity - L (gal)(qts) Ground Polarity

ALTERNATOR SPECIFICATIONS

Model Voltage Regulator TypePoles Number of Sensed PhasesField Type Regulation Accuracy (Steady State)Insulation Class - RotorInsulation Class - StatorTotal Harmonic DistortionTelephone Interference Factor (TIF)Alternator TypeBearingsCouplingLoad Capacity - StandbyLoad Capacity - PrimePrototype Short Circuit Test

CODES AND STANDARDS COMPLIANCE (WHERE APPLICABLE) PARALLELING CONTROLS

NFPA 99 AUTO-SYNCHRONIZATION PROCESSNFPA 110 ISOCHRONOUS LOAD SHARINGISO 8528-5 REVERSE POWER PROTECTIONISO 1708A.5 MAXIMUM POWER PROTECTIONISO 3046 ELECTRICALLY OPERATED, MECHANICALLY HELD PARALLELING SWITCHBS5514 SYNC CHECK SYSTEMSAE J1349 INDEPENDENT ON-BOARD PARALLELINGDIN6271 OPTIONAL PROGRAMMABLE LOGIC FULL AUTO BACK-UP CONTROL (PLS)IEEE C62.41 TESTINGNEMA ICS 1

Full Flow (2) - 12 Volt36.8 Negative

Generac 520 Digital4 3

Revolving +/-1%HH

<5%<50

Synchronous BrushlessOne- Pre Lubed & Sealed

Direct, Flexible Disc350315

Y

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Rating Definitions:Standby – Applicable for a varying emergency load for the duration of a utility power outage with no overload capability. (Max. load factor = 70%) Prime – Applicable for supplying power to a varying load in lieu of utility for an unlimited amount of running time. (Max. load factor = 80%) A 10% overload capacity is available for 1 out of every 12 hours.

MD350 application and engineering data

MD

350

350k

W

POWER RATINGS (kW)

Single-Phase 120/240VAC @1.0pfThree-Phase 120/208VAC @0.8pfThree-Phase 120/240VAC @0.8pfThree-Phase 277/480VAC @0.8pfThree-Phase 600VAC @0.8pf

STARTING CAPABILITIES (sKVA)

kW 10% 15% 20% 25% 30% 35% 10% 15% 20% 25% 30% 35%350 383 575 767 958 1150 1342 306 460 614 766 920 1074400 387 581 775 968 1162 1356 310 465 620 774 930 1085500 457 686 914 1143 1371 1600 366 549 731 914 1097 1280

FUEL

STANDBY PRIME350 315350 315350 315350 315350 315

sKVA vs. Voltage Dip480VAC 208/240VAC

Alternator*StandardUpsize 1Upsize 2

*All Generac industrial alternators utilize Class H materials. Standard alternator provides less than or equal to Class F temperature rise. Upsize 1 provides less than or equal to Class B temperature rise. Upsize 2 provides equal or less than Class A temperature rise.

Fuel Consumption Rates

STANDBY PRIMEPercent Load Gallons/Hour (liters/Hour) Percent Load Gallons/Hour (liters/Hour)

25% 8.4(31.8) 25% 7.56(28.8)Fuel Pump Lift - in (m) 50% 14.5(54.9) 50% 13.05(49.6)

COOLING

Coolant Flow per Minute gpm (lpm)System Heat rejection to Coolant BTU/minEngine Inlet Air cfm (m3/min)Radiator Max. Operating Radiator Air Temp Fo (Co)

Fo (Co)

COMBUSTION AIR REQUIREMENTS

cfm (m3/min)

EXHAUST

Exhaust Flow (Rated Output) cfm (m3/hr)Maximum Backpressure oHg (Kpa)Exhaust Temp (Rated Output) oF (oC)

ENGINE

Rated Engine Speed rpmHorsepower at Rated kW hpPiston Speed ft/min (m/min)BMEP psi

Fuel Pump Lift - in (m) 50% 14.5(54.9) 50% 13.05(49.6)36 (0.9) 75% 20.1(76.1) 75% 18.09(68.5)

100% 25.3(95.8) 100% 22.77(86.3)

STANDBY PRIMECoolant Capacities - Gal (L) 146 (553) 146 (553)

18 580,560 580,560NA 19070(539.7) 19070(539.7)NA 122 (50) 122 (50)

Max. Ambient Temp (before derate) 104 (40) 104 (40)

STANDBY PRIMEFlow at Rated Power 1195 (33.8) CALL

STANDBY PRIMEExhaust Outlet Size - N.P.T. (female) 2988(5073.6) 2988(5073.6)

2.5" 2 21076(580) 1076(580)

STANDBY PRIME1,800 1800560 CALL

1772(50.1) CALL313 CALL

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.

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MD350 operating data (60Hz)

MD

350

350k

W

GENERATOR SET CONTROL SYSTEM

Genset Vibration Isolation Std Control PanelSeismic Rated Vibration Isolators Opt Digital H Control Panel - Dual 4x20 Display naExtended warranty Opt Digital G-100 Control Panel - Touchscreen naExport boxing Opt Digital G-200 Paralleling Control Panel - Touchscreen StdGen-Link Communications Software Opt Programmable Crank Limiter StdSteel Enclosure Opt 21-Light Remote Annunciator OptAluminum Enclosure Opt Remote Relay Panel (8 or 16) Opt

7-Day Programmable Exerciser -Special Applications Programmable PLC Std

ENGINE SYSTEM RS-232 Std

RS-485 StdGeneral All-Phase Sensing DVR StdOil Drain Extension Std Full System Status StdOil Make-Up System Opt Utility Monitoring (Req. CTs and PTs) StdOil Heater Opt 2-Wire Start Compatible Std

Power Output (kW) StdFuel System Power Factor StdFuel lockoff solecnoid Std Reactive Power StdSecondary fuel filter Std All phase AC Voltage and Frequency StdStainless steel flexible exhaust connection Std All phase Currents StdIndustrial Exhaust Silencer Std Digital Synchroscope StdCritical Exhaust Silencer Opt Coolant Temperature StdFlexible fuel lines Opt Coolant Level StdPrimary fuel filter Opt Oil Temperature StdSingle Wall Tank (Export Only) - Fuel Pressure StdUL 142 Fuel Tank Opt Engine Speed StdInternal Base Tank Battery Voltage StdInternal Base Tank Battery Voltage Std

Oil Pressure StdCooling System Date/Time Fault History (Event Log) Std120VAC Coolant Heater Opt UL2200 Generator Protector -208VAC Coolant Heater Opt Low-Speed Exercise -240VAC Coolant Heater Opt Isochronous Governor Control StdOther Coolant Heater_______________________ - -40deg C - 70deg C Operation StdClosed Coolant Recovery System Std Waterproof Plug-In Connectors StdUV/Ozone resistant hoses Std Audible Alarms and Shutdowns StdFactory-Installed Radiator Std Not in Auto (Flashing Light) StdRadiator Drain Extension Std On/Off/Manual Switch Std

E-Stop (Red Mushroom-Type) StdEngine Electrical System Remote E-Stop (Break Glass-Type, Surface Mount) OptBattery charging alternator Std Remote E-Stop (Red Mushroom-Type, Surface Mount) OptBattery cables Std Remote E-Stop (Red Mushroom-Type, Flush Mount) OptBattery tray Std NFPA 110 Level I and II (Programmable) StdBattery box Opt Remote Communication - RS232 OptBattery heater Opt Remote Communication - Modem OptSolenoid activated starter motor Std Remote Communication - Ethernet OptAir cleaner Std PLS Full Auto Back-Up for PM-SC OptFan guard StdRadiator duct adapter Std Alarms (Programmable Tolerances, Pre-Alarms and Shutdowns)2A battery charger Opt Low Fuel Std10A UL float/equalize battery charger Opt Oil Pressure (Pre-programmed Low Pressure Shutdown) StdRubber-booted engine electrical connections Std Coolant Temperature (Pre-programmed High Temp Shutdown) Std

Coolant Level (Pre-programmed Low Level Shutdown) Std

ALTERNATOR SYSTEM Oil Temperature Std

Fuel Pressure StdUL2200 Generator Protector Std Engine Speed (Pre-programmed Overspeed Shutdown) StdMain Line Circuit Breaker Opt Voltage (Pre-programmed Overvoltage Shutdown) Std2nd Circuit Breaker Opt Battery Voltage Std3rd Circuit Breaker -Alternator Upsizing Opt Other OptionsAnti-Condensation Heater OptTropical coating OptVoltage changeover switch -

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MD350 standard features and options

MD

350

350k

W

OPEN SET

L W H WT dBA*NO TANK 136 57 73 7000

8 HR 136 57 98 826012 HR 136 57 98 826024 HR 136 57 110 856336 HR 208 57 112 1002548 HR 278 57 112 1103572 HR CALL CALL CALL CALL96 HR CALL CALL CALL CALL

WEATHERPROOF ENCLOSURE

L W H WT dBA*NO TANK 174 57 79 8360

8 HR 174 57 104 989012 HR 174 57 104 989024 HR 174 57 116 992336 HR 208 57 118 1138548 HR 278 57 118 1239572 HR CALL CALL CALL CALL96 HR CALL CALL CALL CALL

LEVEL 1 SOUND ENCLOSURE

TANK SIZE

90

TANK SIZE

85

L W H WT dBA*NO TANK 200 57 79 8540

8 HR 200 57 104 980012 HR 200 57 104 980024 HR 200 57 116 1010336 HR 234 57 118 1156548 HR 304 57 118 1257572 HR CALL CALL CALL CALL96 HR CALL CALL CALL CALL

LEVEL 2 SOUND ENCLOSURE

L W H WT dBA*NO TANK 181 57 106 10874

8 HR 181 57 131 1213412 HR 181 57 131 1213424 HR 181 57 143 1243736 HR 208 57 145 1389948 HR 278 57 145 1490972 HR CALL CALL CALL CALL96 HR CALL CALL CALL CALL

Tank OptionsMDEQ OPTFlorida DERM/DEP OPTChicago Fire Code OPTIFC Certification CALLULC CALL

TANK SIZE

75

*All measurements are approximate and for estimation purposes only. Weights are without fuel in tank. Sound levels measured at 23ft (7m) and does not account for ambient site conditions.

Other Custom Options Available from your Generac Industrial Power Dealer

TANK SIZE

77

L W

H

L W

H

L W

H

L W

H

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MD350 dimensions, weights and sound levels

YOUR FACTORY RECOGNIZED GENERAC INDUSTRIAL DEALER

Generac Power Systems, Inc. • S45 W29290 HWY. 59, Waukesha, WI 53189 • generac.com©2009 Generac Power Systems, Inc. All rights reserved. All specifications are subject to change without notice. Bulletin 0184870SBY rev A /Printed in U.S.A. 10/22/09

Specification characteristics may change without notice. Dimensions and weights are for preliminary purposes only. Please consult a Generac Power Systems Industrial Dealer for detailed installation drawings.

MD

350

350k

W