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3516 Diesel Generator Set – 380 to 415 Volts

3516 Diesel Generator Set – 380 to 415 Volts

The 3516 generator set has been developed for a wide range of applications, from emergency standby installations such as healthcare and datacenters to continuously powering remote installations. The packages can be optimized for performance that matters to you with either low emissions or low fuel consumption versions available. Backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty, Cat generator sets will provide the reliability and durability you expect.

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Standby Rating2000 kVA

Prime Power Rating1825 kVA

Emissions/Fuel StrategyLow Fuel Consumption

Voltage380 to 415 Volts

Frequency50 Hz

Speed1500 rpm

Duty CycleStandby, Mission Critical, Prime, Continuous

Maximum Rating2000 kVA

Minimum Rating1600 kVA

Engine Model3516 TA, V-16, 4-Stroke Water-Cooled Diesel




Compression Ratio13.0:1


Fuel SystemMechanical unit injection

Governor TypeWoodward

Length - Maximum234.4in

Width - Maximum90in

Height - Maximum94.9in

Dry Weight - Genset (maximum)33840lb


Air Cleaner; single element canister type


Dual element air cleaner

Single element filter




Auto / start / stop control


Environmental sealed front face

Generator mounted - rear facing

Speed adjust

24 Volt DC operation

Generator set packages include Caterpillar's Voltage Regulator

Text alarm/event descriptions

Emergency stop pushbutton

Engine cool-down timer

Engine cycle crank

IVR includes reactive droop capability, 3-phase voltage sensing, KVAR / PF modes, RFI suppression, min / max exciter. Limiter and exciter diode monitor


Alarm acknowledge

Lamp test

PLC functionality

Load histogram feature

3 Analog inputs

Operating hours

Serial annunciator module data link

Digital indication for:

4 programmable relay outputs (Form A)

ATAAC - 3516E Package Radiators shipped installed


Customer data link (Modbus RTU)

Reverse Reactive Power (kVAr) (32RV)

Accessory module data link

Number of I/O varies on options selected:


Overcurrent (50/51)

Customizable screens -0 True RMS AC metering, 3-phase, +/-2% accuracy

1 programmable relay outputs (Form C)

1 programmable digital outputs

Cat Connect

6 Customer programmable digital inputs

Certified standard PGS provided

Volts (L-L & L-N)

Coolant temperature

Oil pressure (psi, kPa or bar) - Coolant temperature - Volts (L-L & L-N) - Frequency (Hz) - Amps (per phase & average) - Power Factor (per phase & average) - kW (per phase, average & percent) - kVA (per phase, average & percent) - kVAr (per phase, average & percent) - kW-hr (total) - kVAr-hr (total)

Frequency (Hz)

kVA (per phase, average & percent)

Amps (per phase & average)

Power Factor (per phase & average)

kVAr (per phase, average & percent

kW (per phase, average & percent

kW-hr (total)

kVAr-hr (total)

Failure to start (overcrank)

Emergency stop


Warning/shutdown with common LED indication of shutdowns for:

High coolant temperature

Low oil pressure

Programmable protective relaying functions

Low coolant level

Low coolant temperature

Generator phase sequence

Over / Under frequency (81 o/u)

Over / Under voltage (27/59)

Reverse Power (kW) (32)


Local annunciator module: [ ] NFPA 110 [ ] Custom

EMCP 4.3, EMCP 4.4


Dry exhaust manifold

Flanged faced outlet(s)



Exhaust offset

Tier 4 dosing cabinet

Flexible fittings


Clean emission parts

Tier 4 clean emissions module


Tier 4 clean emission MOD Kits


Flange and exhaust expanders


Fuel priming pump

Flexible fuel lines - shipped loose

Secondary fuel filters

Fuel cooler; not included with packages without radiator


Fuel Priming Pumps (Tier 4) - Manual or electric

Primary Fuel Filter


Right hand servicing

Flywheel and flywheel housing - SAE No. 00

Caterpillar yellow with high gloss black rails and radiator

SAE standard rotation


UL 2200 package

US aid emblem

Special paint (Colors other than Caterpillar yellow or high performance paints)

Seismic Certification per applicable building codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007

The following options are based on regional and product configuration:


Winding temperature detectors

Bus bar connections, right side extension box, bottom cable entry

Permanent magnet

NEMA Class H insulation, Class H temperature rise at 40C ambient (125C prime/150C standby

Busbar connections, top center mounted, top cable entry

Anti Condensation Space Heater

NEMA standard hole pattern

NEMA Class H insulation, Class H temperature rise at 40C ambient (125C prime/150C standby)

Low Voltage:

Winding temperature detectors

Form wound

Medium Voltage:

Winding temperature detectorsle pattern

NEMA standard hole pattern

Six lead

Form wound

Internal Excitation

3 Phase brushless, salient pole

Random wound

Busbar connections, top center mounted, top cable entry

Class H insulation, Class F temperature rise at 40C ambient (105C prime/130C standby)

High Voltage:




Oil drain lines and valve

Lubricating oil

Gear type lube oil pump

Integral lube oil cool

Fumes disposal

Oil filter, filler and dipstick


Lube oil in standard sump

Prelube pumps

Oil level regulator


Rails - engine / generator / radiator mounting

Rubber anti-vibration mounts (shipped loose)

Anti-vibration mounts (shipped loose)


Puck style low efficiency isolators

Spring type vibration isolators

IBC vibration isolators


24 Volt electric starting motor

45 Amp charging alternator

Battery disconnect switch

Battery and battery rack w/cables


Water level switch gauges


Standard ambient radiators

Standard ambient ATAAC radiators

Optional installed ATAAC radiators

Optional installed radiators


Starting Aids: [ ] 220V 50 Hz Jacket Water Heater

Air Cleaner: [ ] Single element air cleaners [ ] Dual element air cleaners [ ] Heavy duty air cleaners

Batteries: [ ] Standard (1400 CCA) [ ] Heavy Duty (2800 CCA)

Starting Motors: [ ] Standard [ ] Heavy Duty

Muffler: [ ] Industrial Grade


Explosion relief valves

Ventilation system

No explosion relief valves


Temperature Rise (over 40°C ambient): [ ] 150°C [ ] 125°C [ ] 105°C [ ] 80°C


Circuit breaker operation: [ ] Electrical

Circuit breaker trip unit: [ ] LSI [ ] LSIG [ ] LSIG-P

Power Termination: [ ] Busbar [ ] Circuit Breaker

Circuit Breaker rating: [ ] 2000A [ ] 2500A [ ] 3200A [ ] 4000A


Low / medium voltage: 380, 440, 480, 600 volts, 3 phase 1800 rpm. RW, IE, No. of Leads = 6, Pitch = .6667: 1600 Frame

Low / medium voltage: 380, 416, 440, 480, 600, 2400, 4160 Volts, 3 Phase 1800 RPM, FW, PM, No. of Leads = 6, Pitch = .6667: 1600, 1800 Frame

Space heater

Differential current transformers (DCT)

Low / medium voltage: 380/400/415 volts, 3 phase 1500 rpm. RW, PM, No. of Leads = 6, Pitch = .6667: 1600 and 1800 Frames

Generator conversion

Differntial current transformers (DCT) 8.7 kV and 15 kV classes

Thermostate for space heater

Alternator air cleaner

High voltage: 12470, 13200, 13800 volts, 3 phase 1800 rpm,FW, PM, No. of Leads = 6, Pitch = .6667: 2700, 3000 Frame

High voltage: 6300, 6600, 6900 volts, 3 phase 1800 rpm, FW, PM, No. of Leads = 6, Pitch = .6667: 2700, 3000 Frame

Low / medium voltage: 380/400/415 volts, 3 phase 1500 rpm. RW, IE, No. of Leads = 6, Pitch = .6667: 1600 Frame


Extended Service Contract (ESC): [ ] 2 Year [ ] 3 Year [ ] 5 Year


Pyrometer and thermocouples


Right side power connections

Ground cables between generator and terminal box

2700 Frame, four lead, four terminal

Neutral ground connections

Rear power connections

Low voltage circuit breakers

Center post busbar

Left side power connections


PGS test report @ 0.8 power factor

PGS test report @ 1.0 power factor

Canadian Standards Association certification

Standard engine test charge

IBC certification

Generator set fuel consumption test

OSHPD certification

Generator test report

Torsional vibration analysis reports

Fuel consumption test


10, 20, 35 and 50 amp battery chargers

24 Volt battery set - Dry

Electric starting motors

Air starting motors

Starter cover

Engine barring device

Air pressure regulator

Jacket water heaters


Platinum, Gold and Silver coverage



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