Producing reliable power from 1600 to 1875 kVA at 50 Hz, our 3512B diesel generator sets are made to meet your mission critical, continuous, standby and prime applications. We’ve designed each to ISO 8528-5 transient response requirements and to accept 100% rated load in one step. Generator sets offer both low fuel consumption and low emission systems.
Cat
3512B (50 Hz) Generator Set
Overview
Photos
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3512B Diesel Generator Sets (Rear Right) -
3512B Diesel Generator Sets (Rear Left) -
3512B Diesel Generator Sets (Front Left) -
3512B Diesel Generator Sets (Front Right)
360° View
Exterior
360° Exterior view. Double click on the image to zoom in on any area of the product.
Showroom
Virtual Product tour
Documents
- Electric Power Ratings Guide
- 3512B, 50 Hz, 1750 kVA Standby/MC, 1600 kVA Prime, Low Fuel Consumption or Low Emissions Spec Sheet
- 3512B, 50 Hz, 1875 kVA Standby/MC, 1700 kVA Prime, 1500 kVA Cont., Low Fuel Consumption or Low Emissions Spec Sheet
- 3512B, 50 Hz, 1600 kVA, Prime-DCP, Low Fuel Consumption or Low Emissions Spec Sheet
- 3512B, 50 Hz, 1700 kVA, Prime-DCP, Low Fuel Consumption or Low Emissions Spec Sheet
Features
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 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
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
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
Cat ECS 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
Cat ECS 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
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
- IBC seismic certification
- EU Declaration of Conformity
- EU Declaration of Incorporation
- EU Eurasian Conformity (EAC)
Certifications
- IBC seismic certification
- EU Declaration of Conformity
- EU Declaration of Incorporation
- EU Eurasian Conformity (EAC)
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
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
Worldwide 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
Worldwide 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
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Generator Set Specifications
Spec Value Standby Rating 1875/1750 kVA Prime Power Rating 1700/1600 kVA Emissions/Fuel Strategy Low Fuel, Low Emissions Voltage 380 to 415 Volts Frequency 50 Hz Speed 1500 rpm Duty Cycle Standby, Mission Critical, Prime Maximum Rating 1875 kVA Minimum Rating 1600 kVA -
Engine Specifications
Spec Value Engine Model 3512B TA, V-12, 4-Stroke Water-Cooled Diesel Bore 6.69 in Stroke 8.46 in Displacement 3576 in³ Displacement - HD 3576 in³ Compression Ratio 15.5:1 HD Aspiration TA Fuel System Electronic Unit Injection Governor Type ADEM™ A3 Stroke - HD 8.46 in -
Generator Set Dimensions
Spec Value Length - Minimum 206.6 in Length - Maximum 215.3 in Width - Minimum 77.8 in Width - Maximum 90 in Height - Maximum 93.2 in Dry Weight - Genset (minimum) 25010 lb Dry Weight - Genset (maximum) 26840 lb
Standard Equipment
Air Inlet System
- Aingle element canister type air cleaner with service indicator
Air Inlet
- Air cleaner
Cooling
- Package mounted radiator (except C175)
Control Panel
- Speed adjust
- Oil pressure (psi, kPa or bar)
- 4 Programmable relay outputs (Form A)
- kVAr (per phase, average & percent)
- Over/under frequency (81 o/u)
- Operating hours
- Accessory module data link
- Text alarm/event descriptions
- Amps (per phase & average)
- DC volts
- Frequency (Hz)
- 2 Programmable relay outputs (Form C)
- kVAr-hr (total)
- Volts (L-L & L-N)
- RPM
- kW (per phase, average & percent)
- Over/under voltage (27 / 59)
- Environmental sealed front face
- Controls:
- Engine cool-down timer
- Customer data link (Modbus RTU)
- High coolant temperature
- 2 Programmable digital outputs
- Power factor (per phase & average)
- 24 Volt DC operation
- Overspeed
- Alarm acknowledge
- Lamp test
- kW-hr (total)
- Low coolant temperature
- Emergency stop
- Generator phase sequence
- Auto/start/stop control
- Cat ECS 100
- Low oil pressure
- Engine cycle crank
- Programmable protective relaying functions:
- Reverse power (kW) (32)
- Generator mounted - rear facing
- Digital indication for:
- Overcurrent (50 / 51)
- Warning/shutdown with common LED indication of shutdowns for:
- kVA (per phase, average & percent)
- Serial annunciator module data link
- Emergency stop button
- Reverse reactive power (kVAr) (32RV)
- 6 Programmable digital inputs
- Failure to start (overcrank)
- Low coolant level
- Communications
- Coolant temperature
- True RMS AC metering, 3 phase, +/-2% accuracy
Exhaust
- Exhaust flange outlet
Fuel
- Primary fuel filter with integral water separator
- Secondary fuel filters
- Fuel priming pump
Control System
- Failure to start (overcrank)
- Auto/start/stop control
- Cat ECS 100
- Lamp test
- Emergency stop pushbutton
- 4 programmable digital inputs
- Volts (L-L & L-N)
- Low coolant level
- Overspeed
- frequency (Hz)
- Engine cycle crank
- DC volts
- Coolant temperature
- Alarm acknowledge
- True RMS AC metering, 3-phase, +/-2% accuracy
- Communications
- 24 Volt DC operation
- Engine cool-down timer
- RPM
- Warnings/shutdown indicators
- Digital indication for:
- Oil pressure
- Low oil pressure
- Amps (per phase & average)
- Speed adjust
- Emergency stop
- 4 programmable digital outputs
- Operating hours
- High coolant temperature
Generator
- Matched to the performance and output characteristics of Cat engines
- IP23 Protection
Power Termination
- Busbar
Generator System
- Internal excitation (IE)
- NEMA Class H insulation
- Caterpillar's digital voltage regulator (CDVR)
- Class H temperature rise at 40C ambient
- 3-phase voltage sensing
- Busbar connections
- min/max exciter
- Random wound
- 3 phase brushless, Salient pole
- RFI suppression
- Winding temperature detectors
- 6 Lead
Literature
- Operation & Maintenance Manual
- Parts book
Cooling System
- Coolant drain line with valve
- Radiator fan and fan drive
- Fan and belt guards
- JWAC
- Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
- Coolant level sensors (Not included with packages without radiator)
Exhaust System
- Dry exhaust manifold
- Flanged faced outlet(s)
Fuel System
- Flexible fuel lines - shipped loose
- Secondary fuel filters
- Fuel priming pump
- Fuel cooler; not included with packages without radiator
Generators and Attachments
- 6 Leads
- Note: 1800 Frames are form wound, permanent magnet excitation (PMG), with winding temp detectors
- Busbar connections, top center mounted, top cable entry
- KVAR / PF modes
- Internal excitation (IE)
- Generator set packages include: Regulator (CDVR)
- RFI suppression
- Winding temperature detectors
- NEMA Class H insulation
- 50 Hz models: IEC standard hole pattern
- Reactive droop capability
- 3 Phase brushless, Salient pole
- Exciter diode monitor
- Min / max exciter limiter
- Random wound
- 3 Phase voltage sensing
- LV
- Class H temperature rise at 40C ambient (125C prime / 150C standby)
- Caterpillar's digital voltage regulator (CDVR) includes:
Governing System
- Woodward 2301A isochronous governor
Lube System
- Lubricating oil
- Fumes disposal
- Integral lube Oil cooler
- Oil drain lines and valve
- Gear type lube oil pump
- Oil filter, filler and dipstick
Mounting System
- Rubber anti-vibration mounts - shipped loose
- Rails - Engine/generator/radiator mounting
Starting / Charging System
- 24 Volt electric starting motor
- Battery and battery rack w/cables
- Battery disconnect switch
General
- Paint - Caterpillar yellow with high gloss black rails & radiator
- RH service
- SAE standard rotation
- Flywheel and Flywheel housing-SAE No. 00
Optional Equipment
Air Inlet System
- Dual element air cleaners
- Remote air inlet adaptors
- Air inlet protection
Exhaust
- Exhaust mufflers
Generator
- Internal excitation (IE)
- Anti-condensation heater
- Oversize and premium generators
- Permanent magnet excitation (PMG)
Circuit breakers
- Cable entry options
- Optional busbar power connections
- EMAX breakers connections
- Center posts busbars
- 2000, 2500, 3200 and 4000 Amp, 3 pole, IEC rated Circuit breakers
- Breaker harnesses
- 2000, 2500, 3200 and 4000 Amp, 4 pole, IEC rated Circuit breakers
- Controls packaging - Enclosures
- Busbar connections
- EMAX Circuit breakers
Power Termination
- Circuit breakers, UL listed
- Circuit breakers, IEC compliant
Mounting
- Rubber anti-vibration mounts
- Spring type vibration isolators
- IBC isolators
Control Panels
- Annunciator modules
- Generator temperature monitoring
- Vandle proof panel door
- Auxiliary boxes
- Mounting group - External box clips
- Ground (Automatically selected)
- Remote speed adjust
- Local PC monitoring
- Customer connection mounting locations
- EMCP 4.4
- Governors
- Customer interface options
Starting/Charging
- Oversize batteries
- Air starting motor with control and silencer
- Heavy duty starting system
- Jacket water heater
- Charging alternator
- Battery chargers
Cooling System
- Water level switch gauges
- Heat exchangers
- Optional radiator arrangements
European Certifications
- European Directive genset, DoI (Declaration of Incorporation)
- EU Declaration of Conformity
- European Union certification
- Eurasian Conformity (EAC) mark
Exhaust System
- Through-wall installation kit
- Mufflers
- Muffler mounting kits
- Flexible fittings
Fuel System
- Primary fuel filter
Generators and Attachments
- Generator conversion
- 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, Permanent magnet excitation (PMG), No. of leads = 6, pitch= 0.6667
- Space heater
- 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, Form wound, Permanent magnet excitation (PMG), No. of leads = 6, pitch= 0.6667
- 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, Internal excitation (IE), No. of leads = 6, pitch= 0.6667
Instrumentation
- Pyrometer and thermocouples
Lube System
- Oil level reg-1 shallow pan
- Manual prelube sump pumps
- Electric prelube pumps
Mounting System
- IBC vibration isolators
- Spring type vibration isolators
Protection System
- Explosion relief valves
Special Tests / Reports
- PGS Test report @ 0.80 power factor
- PGS Test report @ 1.0 power factor
- IBC seismic Certifications
- Neutral ground-LV
- Neutral grounding connection
Starting / Charging System
- 24 Volt dual electric starting motor
- Oversize battery set
- Jacket water heaters
- Ether starting aid
- 20 Amp Battery charger
- 10 Amp Battery chargers
General
- Engine barring group
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