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.
Features
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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
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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
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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
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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
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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
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Certifications
- EU Declaration of Conformity
- EU Declaration of Incorporation
- Eurasian Conformity (EAC)
- Telecommunication Lab of China
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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
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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
Specifications
Units for specifications
Generator Set Specifications
| Standby Rating | 1625/1600/1500 kVA |
|---|---|
| Prime Power Rating | 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 | 1360 kVA |
| Maximum Rating | 1625 kVA |
Engine Specifications
| Engine Model | 3512B TA, V-12, 4-Stroke Water-Cooled Diesel |
|---|---|
| Bore | 6.69 in 170 mm |
| Stroke | 7.48 in 190 mm |
| Displacement | 3161.03 in³ 51.8 l |
| Compression Ratio | 14.0:1 |
| Aspiration | TA |
| Fuel System | Electronic Unit Injection |
| Governor Type | ADEM™ A3 |
Generator Set Dimensions
| Length - Minimum | 212.8 in 5404 mm |
|---|---|
| Length - Maximum | 217.1 in 5515 mm |
| Width - Minimum | 90 in 2286 mm |
| Width - Maximum | 90 in 2286 mm |
| Height - Minimum | 94.9 in 2411 mm |
| Height - Maximum | 94.9 in 2411 mm |
| Dry Weight - Genset (minimum) | 25620 lb 11621 kg |
| Dry Weight - Genset (maximum) | 26530 lb 12034 kg |
Standard Equipment
Control System
- Warnings/shutdown indicators
- Emergency stop pushbutton
- 24 Volt DC operation
- Digital indication for:
- Lamp test
- Emergency stop
- Auto/start/stop control
- Overspeed
- Low oil pressure
- Engine cycle crank
- Low coolant level
- Frequency (Hz)
- 4 Programmable digital inputs
- Operating hours
- True RMS AC metering, 3-phase, +/-2% accuracy
- Communications
- Oil pressure
- Speed adjust
- DC volts
- High coolant temperature
- Coolant temperature
- Amps (per phase & average)
- Engine cool-down timer
- RPM
- EMCP 4.2B
- Failure to start (overcrank)
- Volts (L-L & L-N)
- 4 Programmable digital outputs
- Alarm acknowledge
Governing System
- ADEM III
Cooling System
- Coolant level sensors
- SCAC
- Radiator fan and fan drive
- Caterpillar extended life coolant
- Coolant drain line with valve
- Fan and belt guards
Exhaust System
- Flanged faced outlet(s)
- Dry exhaust manifold
Fuel System
- Flexible fuel lines
- Fuel priming pump
- Secondary fuel filters.
- Fuel cooler; not included with packages without radiator
Generator System
- Min / max exciter
- Caterpillar's digital voltage regulator (CDVR)
- Class H temperature rise at 40C ambient
- Busbar connections
- Winding temperature detectors
- RFI suppression
- 3 Phase voltage sensing
- Internal excitation (IE)
- Random wound
- 3 phase brushless, Salient pole
- 6 Leads
- NEMA Class H insulation
Literature
- Parts book
- Operation & Maintenance Manual
Lube System
- Gear type lube oil pump
- Oil filter, filler and dipstick
- Fumes disposal
- Oil drain lines and valve
- Lubricating oil
- Integral lube Oil cooler
Mounting System
- Rails - Engine/generator/radiator mounting
General
- RH service
- Flywheel and Flywheel housing-SAE
- Caterpillar yellow with high gloss black rails & radiator
- SAE standard rotation
Optional Equipment
Air Inlet System
- Heavy duty air cleaner
- Dual element air cleaner
- Single element filter
Exhaust
- Exhaust mufflers
Generator
- Internal excitation (IE)
- Oversize and premium generators
- Permanent magnet excitation (PMG)
- Anti-condensation heater
Control System
- 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
- Circuit breakers, UL listed
- Circuit breakers, IEC compliant
Cooling System
- Installed radiators
- Cooling system attachments
- Water level switch gauges
- Coolant
Mounting
- Rubber anti-vibration mounts
- IBC isolators
- Spring type vibration isolators
Starting/Charging
- Charging alternator
- Heavy duty starting system
- Oversize batteries
- Air starting motor with control and silencer
- Jacket water heater
- Battery chargers
Exhaust System
- Y Adapters
- Mufflers
- Flexible fittings
- Flange and exhaust expanders
- Elbows
Factory Support
- Factory commissioning
Fuel System
- Primary fuel filter
- Secondary fuel filters
Generators and Attachments
- 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
- 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
- Pyrometer and thermocouples
Lube System
- Drain GP oil pan
- Lube oil filters
- Oil level regulator
- Standard sump oil pan
- Lube oil in standard sump
- Prelube pump groups
Crankcase System
- Crankcase protection group
- Crankcase ventilation system
Mounting System
- Low efficiency isolators
- Spring type vibration isolators
- Low efficiency isolators puck
- Low isolators
Power Connections
- 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
- 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
- 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
- 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
Documents
- Electric Power Ratings Guide
- 3512B, 50 Hz, 1625 kVA Standby/MC, 1500 kVA Prime, 1320 kVA Cont., Low Fuel Consumption or Low Emissions Spec Sheet
- 3512B Upgradeable, 50 Hz, 1500 kVA Low Fuel Consumption or Low Emissions Spec Sheet
- 3512B Upgradeable, 50 Hz, 1600 kVA Low Fuel Consumption or Low Emissions Spec Sheet
- 3512B, 50 Hz, 1500 kVA, Prime-DCP, Low Fuel Consumption or Low Emissions Spec Sheet
- 3512B, 50 Hz, 1360 kVA, Prime-DCP, Low Fuel Consumption or Low Emissions Spec Sheet