New | 3512C Generator Set

Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.

Generator Set Specifications
Minimum Rating	1750 ekW
Maximum Rating	1750 ekW
Emissions/Fuel Strategy	U.S. EPA Cert., Tier 2
Voltage	380 to 13800 Volts
Frequency	60 Hz
Speed	1800 rpm
Duty Cycle	Standby, Mission Critical
Engine Specifications
Engine Model	3512C ATAAC, V-12, 4-Stroke Water-Cooled Diesel
Bore	6.69 in
Stroke	8.46 in
Displacement	3574 in³
Compression Ratio	14.7:1
Aspiration	TA
Fuel System	Electronic unit injection
Governor Type	Adem™3
Generator Set Dimensions
Length - Maximum	262.9 in
Width - Maximum	89.8 in
Height - Maximum	110 in
Dry Weight - Genset (maximum)	32660 lb

Cat Generator Set Package

cat Generator Set Packages Have Been Fully Prototype Tested
accepts 100% Block Load In One Step And Meets Nfpa 110 Loading Requirements
conform To Iso 8528-5 Steady State And Transient Response Requirements

Cat Diesel Engine

reliable, Rugged, Durable Design
field-Proven In Thousands Of Applications Worldwide
four-Stroke-Cycle Diesel Engine Combines Consistent Performance And Excellent Fuel Economy With Minimum Weight

Sr5 Alternator

superior Motor Starting Capability Minimizes Need For Oversizing Alternator
designed To Match Performance And Output Characteristics Of Cat Diesel Engines
robust Class H Insulation

Emcp 4 Control Panel

user-Friendly Interface And Navigation
scalable System To Meet A Wide Range Of Installation Requirement
expansion Modules And Site-Specific Programming For Specific Customer Requirements

Cooling System

designed To Operate In Standard Ambient Temperatures Up To 50°c (122°f)
contact Your Cat Dealer For Specific Ambient And Altitude Capabilities

Certifications

ul2200
csa Certified
ibc Seismic Certification
oshpd Pre-Approval

One Safe Source

components Used In The Generator Set Are Selected At The Design Stage To Provide Optimum Package Performance
the Generator Set Is Fully Assembled At A Caterpillar Facility Following Our Quality Guidelines
each Generator Set Package Is Tested Before Leaving The Caterpillar Facility
cat Product Support, Including Dealer Service, Parts And Warranty Covers The Entire Cat Power System

World Wide Product Support

cat Dealers Have Over 1,800 Dealer Branch Stores Operating In 200 Countries
your Local Cat Dealer Provides Extensive Post-Sale Support, Including Maintenance And Repair Agreements

Standard Equipment

Air Inlet System

Air cleaner; single element canister type with service indicator

Cooling

Package mounted radiator

Exhaust

Exhaust flange outlet

Fuel

Primary fuel filter with integral water separator
Fuel priming pump
Secondary fuel filter

Generator

Matched to the performance and output characteristics of Cat engines
IP23 Protection

Power Termination

Busbar

Control Panel

EMCP 4 Genset Controller

Control System

Generator set packages include Caterpillar' s Voltage Regulator (IVR). IVR includes reactive droop capability, 3-phase voltage sensing, KVAR / PF modes, RFI suppression, min/max exciter. Limiter and exciter diode monitor
Emergency stop pushbutton
Oil pressure (psi, kPa or bar)
1 Programmable digital outputs
Accessory module data link
4 Programmable relay outputs (Form A)
kVAr-hr (total)
Reverse power (kW) (32)
kVAr (per phase, average & percent)
Amps (per phase & average)
Over / under frequency (81 o/u)
EMCP 4.2B
PLC functionality
1 Programmable relay outputs (Form C)
Programmable protective relaying functions:
RPM
Frequency (Hz)
Low coolant level
Number of I/O varies on options selected
Lamp test
kVA (per phase, average & percent)
Emergency stop
kW (per phase, average & percent)
Engine cool-down timer
Speed adjust
Generator phase sequence
Over / under voltage (27/59)
Warning/shutdown with common LED indication of shutdowns for:
Customer data link (Modbus RTU)
Volts (L-L & L-N)
High coolant temperature
Engine cycle crank
True RMS AC metering, 3-phase, +/-2% accuracy
Low coolant temperature
Low oil pressure
Cat Connect
Digital indication for:
Communications
Environmental sealed front face
Reverse reactive power (kVAr) (32RV)
24 Volt DC operation
Power Factor (per phase & average)
Overspeed
Auto / start / stop control
Load histogram feature
Controls:
Failure to start (overcrank)
Customizable screens
kW-hr (total)
Text alarm / event descriptions
Alarm acknowledge
Overcurrent (50/51)
Generator mounted - rear facing
Coolant temperature
DC volts

Governing System

ADEM III

Cooling System

SCAC
Fan and belt guards
Caterpillar extended life coolant (Not included with packages without radiator, installed SF44CTS
Coolant level sensors (Not included with packages without radiator)
Radiator fan and fan drive
Coolant drain line with valve

Exhaust System

Flanged faced outlet(s)
Dry exhaust manifold

Fuel System

Secondary fuel filters
Fuel priming pump
Fuel cooler; not included with packages without radiator
Flexible fuel lines - shipped loose

Generators and Attachments

Random wound
Permanent magnet
High voltage
Six lead
NEMA standard hole pattern
NEMA Class H insulation, Class H temperature rise at 40C ambient (125C prime / 150C standby)
NEMA Class H insulation, Class H temperature rise at 40C ambient (125C prime/150C standby)
Class H insulation, Class F temperature rise at 40C ambient (105C prime/130C standby)
NEMA standard hole pattern
Winding temperature detectors
NEMA standard hole pattern
Internal excitation
Form wound
3 Phase brushless, salient pole
Bus bar connections, right side extension box, bottom cable entry
Low voltage:
Busbar connections, top center mounted, top cable entry
Medium voltage:

Literature

English

Lube System

Oil drain lines and valve
Lubricating oil
Oil filter, filler and dipstick
Fumes disposal
Gear type lube oil pump
Integral lube oil cooler

Mounting System

Rubber anti-vibration mounts (shipped loose)

Starting / Charging System

Battery and battery rack w/cables
45 Amp charging alternator
24 Volt electric starting motor
Battery disconnect switch

General

Paint - Caterpillar Yellow except rails and radiators gloss black
SAE Standard Rotation
Right hand servicing
Flywheel and Flywheel housing-SAE No. 00
Paint: Caterpillar yellow with high gloss black rails & radiator

Optional Equipment

Control Panels

Digital I/O module
EMCP 4.3, EMCP 4.4
Load share module
Remote monitoring software
Generator temperature monitoring & protection

Exhaust

Exhaust mufflers

Air Inlet System

Heavy duty air cleaner
Single element filter

Generator

Permanent magnet excitation (PMG)
Anti-condensation heater
Internal excitation (IE)
Oversize and premium generators

Power Termination

Circuit breakers, IEC compliant
Circuit breakers, UL listed

Cooling System

Standard installed radiators
Standard installed ATAAC radiators
Optional installed ATAAC radiators
Water level switch gauges
Coolant
Optional installed radiators

Exhaust System

Flanges
Flange and exhaust expanders
Flexible fittings
Elbows
Y Adapters
Mufflers

Fuel System

Primary fuel filter

Starting/Charging

Heavy-duty starting system
Charging alternator
Battery chargers
Oversize batteries
Air starting motor with control and silencer
Jacket water heater

Generators and Attachments

1400, 1600, 2700 Frames
Space heater
Generator conversion from IE to PM
Differential current transformers (DCT) 15 kV class
RW, IE, 6 leads, Pitch 0.6667
Generator air cleaner
Low Voltage: 380,440 / 480 Volts, 3 Phase, 1800 rpm
Differential current transformers (DCT) 8.7 kV class

Instrumentation

Wiring GP W/O cyl sensors
Pyrometer and thermocouples

Lube System

Oil drains
Lubrication oil in standard sump
Oil level regulator
Prelube pumps

General

US aid emblem
The following options are based on regional and product configuration:
Automatic transfer switches (ATS)
EU Certificate of Conformance (CE)
CSA Certification
Integral & sub-base UL listed dual wall fuel tanks
EEC Declaration of Conformity
UL 2200 package
Integral & sub-base fuel tanks
Seismic Certification per applicable building codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007
Enclosures: sound attenuated, weather protective

Crankcase Protection