3512B Diesel Generator Set
At a Glance
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Standby Rating
1875/1750/1625/1500 kVA
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Prime Power Rating
1700/1600/1500/1360 kVA
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Emissions/Fuel Strategy
Low Fuel , Low Emissions
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Voltage
400 to 415 Volts
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Overview
The 3512B 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.
Generator Set Specifications
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| Standby Rating |
1875/1750/1625/1500 kVA |
| Prime Power Rating |
1700/1600/1500/1360 kVA |
| Emissions/Fuel Strategy |
Low Fuel , Low Emissions |
| Voltage |
400 to 415 Volts |
| Frequency |
50 Hz |
| Speed |
1500 rpm |
| Duty Cycle |
Standby, Mission Critical, Prime, Continuous |
| Minimum Rating |
1320 kVA |
| Maximum Rating |
1875 kVA |
Engine Specifications
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| Engine Model |
3512B TA, V-12, 4-Stroke Water-Cooled Diesel |
| Bore |
6.69in |
| Stroke |
7.48in |
| Stroke - HD |
8.46in |
| Displacement |
3161.03in³ |
| Displacement - HD |
3573.55in³ |
| Compression Ratio |
14.0:1 Std 15.5:1 HD |
| Aspiration |
TA |
| Fuel System |
Electronic Unit Injection |
| Governor Type |
ADEM™ A3 |
Generator Set Dimensions
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| Length - Minimum |
212.8in |
| Length - Maximum |
217.1in |
| Width - Minimum |
90in |
| Width - Maximum |
90in |
| Height - Minimum |
94.9in |
| Height - Maximum |
94.9in |
| Dry Weight - Genset (minimum) |
25620lb |
| Dry Weight - Genset (maximum) |
26530lb |
Standard Equipment:
Control System
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Warnings/shutdown indicators
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Emergency stop pushbutton
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24 Volt DC operation
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Digital indication for:
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Lamp test
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Emergency stop
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Auto/start/stop control
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Overspeed
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Low oil pressure
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Engine cycle crank
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Low coolant level
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Frequency (Hz)
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4 Programmable digital inputs
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Operating hours
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True RMS AC metering, 3-phase, +/-2% accuracy
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Communications
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Oil pressure
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Speed adjust
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DC volts
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High coolant temperature
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Coolant temperature
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Amps (per phase & average)
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Engine cool-down timer
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RPM
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EMCP 4.2B
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Failure to start (overcrank)
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Volts (L-L & L-N)
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4 Programmable digital outputs
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Alarm acknowledge
Cooling System
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Coolant level sensors
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SCAC
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Radiator fan and fan drive
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Caterpillar extended life coolant
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Coolant drain line with valve
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Fan and belt guards
Exhaust System
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Flanged faced outlet(s)
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Dry exhaust manifold
Fuel System
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Flexible fuel lines
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Fuel priming pump
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Secondary fuel filters.
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Fuel cooler; not included with packages without radiator
Generator System
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Min / max exciter
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Caterpillar's digital voltage regulator (CDVR)
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Class H temperature rise at 40C ambient
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Busbar connections
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Winding temperature detectors
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RFI suppression
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3 Phase voltage sensing
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Internal excitation (IE)
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Random wound
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3 phase brushless, Salient pole
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6 Leads
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NEMA Class H insulation
Lube System
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Gear type lube oil pump
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Oil filter, filler and dipstick
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Fumes disposal
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Oil drain lines and valve
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Lubricating oil
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Integral lube Oil cooler
Mounting System
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Rails - Engine/generator/radiator mounting
General
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RH service
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Flywheel and Flywheel housing-SAE
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Caterpillar yellow with high gloss black rails & radiator
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SAE standard rotation
Optional Equipment:
Air Inlet System
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Heavy duty air cleaner
Dual element air cleaner
Single element filter
Generator
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Internal excitation (IE)
Oversize and premium generators
Permanent magnet excitation (PMG)
Anti-condensation heater
Control System
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Generator temperature monitoring
Neutral to ground connection
Local annunciator modules (Low voltage)
EMCP 4.3, EMCP 4.4
Cat connect: Ethernet telematics / Satellite telematics / Cell telematics
Annunciator modules (Local and remote)
Load share module options (LV)
CAN2 network equipment
Governors (MUI-Low voltage)
Customer interface options
Annunciator network equipment
Remote annunciator module (Low voltage)
EMCP voltage and current sensing groups
Power Termination
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Circuit breakers, UL listed
Circuit breakers, IEC compliant
Cooling System
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Installed radiators
Cooling system attachments
Water level switch gauges
Coolant
Mounting
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Rubber anti-vibration mounts
IBC isolators
Spring type vibration isolators
Starting/charging
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Charging alternator
Heavy duty starting system
Oversize batteries
Air starting motor with control and silencer
Jacket water heater
Battery chargers
Exhaust System
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Y Adapters
Mufflers
Flexible fittings
Flange and exhaust expanders
Elbows
Fuel System
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Primary fuel filter
Secondary fuel filters
Generators And Attachments
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Low voltage generators 380, 400, 415 Volts 3 Phase, 1500 rpm
Space heater kit
1400 and 1600 Frame
Pitch 0.6667
6 Leads
Internally excitation
Generator conversion kits - PM to IE / IE to PM
Permanent magnet excitation (PMG)
RW
General
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UL 2200 package
The following options are based on regional and product configuration:
Seismic Certification per applicable building codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007
EU Certificate of Conformance (CE)
Instrumentation
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Pyrometer and thermocouples
Lube System
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Drain GP oil pan
Lube oil filters
Oil level regulator
Standard sump oil pan
Lube oil in standard sump
Prelube pump groups
Crankcase System
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Crankcase protection group
Crankcase ventilation system
Mounting System
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Low efficiency isolators
Spring type vibration isolators
Low efficiency isolators puck
Low isolators
Power Connections
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Low voltage - Package mounted circuit breakers
Electrically operated circuit breakers
Low voltage - 1400 and 1600 Frame generators
Low voltage - Power connection options
Special Tests / Reports
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Standard generator TVA report
Standard engine test charge
Generator test report
PGS Test report @ 1.0 power factor
Custom generator TVA report
Generator fuel consumption test
PGS Test report @ 0.8 power factor
Starting / Charging System
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Batteries, racks and cables
10 Amp Battery charger
Starter cover
Electric starting motors
Jacket water heaters
20 Amp Battery charger
Jacket water heater wiring groups
35 Amp Battery charger
Extended Service Coverage
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Silver - 36 ,48, 60, 120 month coverage
Gold - 36,48, 60, 120 month coverage
Cat branded commercial power system
Platinum - 24, 36, 48, 60, 120 month coverage
