3512B Diesel Generator Set

3512B Diesel Generator Set

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.

Maximum Rating
1500 eKW
Voltage
380 to 480 Volts
Frequency
60 Hz
Speed
1800 rpm

Generator Set Specifications

Maximum Rating
1500 eKW
Voltage
380 to 480 Volts
Frequency
60 Hz
Speed
1800 rpm
Duty Cycle
Continuous, Prime, Standby, Mission Critical
Minimum Rating
1230 eKW

Generator Set Configurations

Emissions/Fuel Strategy
Low Fuel Consumption, Low Emissions

Engine Specifications

Engine Model
3512B TA, V-12, 4-Stroke Water-Cooled Diesel
Compression Ratio
14.0:1 Std 15.5:1 HD
Aspiration
TA
Governor Type
ADEM™A3
Fuel System
Electronic Unit Injection
Bore
6.69in
Displacement - HD
3573.55in³
Displacement - Std
3161.03in³
Stroke - HD
8.46in
Stroke - Standard
7.48in
Air Inlet
Single element canister style with service indicator
Exhaust Flange Size
203.2 mm (8.0 in)

Generator Set Dimensions

Height - Maximum
94.9in
Length - Maximum
217.1in
Width - Maximum
90in

Standard Equipment:

  • Air Inlet System
    • Air cleaner; single element canister type with service indicator
  • Control System
    • True RMS AC metering, 3-phase, +/-2% accuracy
  • Control Panel
    • EMCP 4.2B
    • Emergency stop pushbutton
    • 24-volt DC operation
    • Environmental sealed front face
    • Text alarm / event descriptions
    • Generator mounted - rear facing
    • 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
    • Controls:
    • Speed adjust
    • Auto / start / stop control
    • Engine cool-down timer
    • Engine cycle crank
    • Alarm acknowledge
    • Lamp test
    • True RMS AC metering, 3-phase, +/-2% accuracy
    • Digital indication for:
    • RPM
    • DC volts
    • Operating hours
    • 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)
    • Warning / shutdown with common LED indication of shutdowns for:
    • Low oil pressure
    • High coolant temperature
    • Overspeed
    • Emergency stop
    • Failure to start (overcrank)
    • Low coolant temperature
    • Low coolant level
    • Programmable protective relaying functions:
    • Generator phase sequence
    • Over / under voltage (27/59)
    • Over / under frequency (81 o/u)
    • Reverse power (kW) (32)
    • Reverse reactive power (kVAr) (32RV)
    • Overcurrent (50/51)
    • Communications:
    • Customer data link (Modbus RTU)
    • Accessory module data link
    • Serial annunciator module data link
    • 6 programmable digital inputs
    • 4 programmable relay outputs (Form A)
    • 2 programmable relay outputs (Form C)
    • 2 programmable digital outputs
  • Cooling System
    • JWAC
    • Fan and belt guards.
    • Coolant drain line with valve
    • Coolant level sensors. (Not included with packages without radiator)
    • Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
  • Exhaust
    • Dry Exhaust Manifold
    • Flanged faced outlet(s)
  • Fuel System
    • Secondary fuel filters
    • Fuel cooler; not included with packages without radiator
    • Flexible fuel lines - shipped loose
    • Fuel priming pump
  • Generators And Attachments
    • 3 Phase brushless, salient pole
    • 6 Lead
    • LV:
    • Random wound
    • Internal excitation or permanent magnet
    • NEMA Class H insulation
    • Class H temperature rise at 40C ambient (125C prime / 150C standby)
    • Winding temperature detectors
    • Busbar connections, top center mounted, top cable entry
    • 60 Hz models: NEMA standard hole pattern
  • Governing System
    • Woodward 2301A isochronous governor
  • Lube System
    • Lubricating oil
    • Gear type lube oil pump
    • Integral lube oil cooler
    • Oil filter, filler and dipstick
    • Oil drain lines and valve
    • Fumes disposal
  • Mounting System
    • Rails - engine/generator/radiator mounting
    • Rubber anti-vibration mounts (shipped loose)
  • Starting / Charging System
    • 24-volt electric starting motor
    • 50 Amp charging alternator
    • Battery and battery rack w/cables
    • Battery disconnect switch
  • General
    • Paint - Caterpillar yellow with high gloss black rails & radiator
    • RH Service
    • Flywheel and Flywheel housing-SAE No. 00
    • SAE Standard Rotation

Optional Equipment:

  • Air Inlet System
    • Single stage air cleaners
    • Duel element air filters
    • Air Cleaner: Includes installed single element Cat filter and service indicator
  • Control Panels
    • EMCP 4.3, EMCP 4.4
    • Locale discrete I / O package
    • Cat connect (must choose one)
    • First local annunicator
    • CAN 2 network equipment
    • RTD module - may select one
    • Remote custom annunciator
    • Vandle proof panel door
    • Modbus monitoring of packages
  • Control System
    • Generator yemperature monitoring
  • Cooling System
    • Optional radiator arrangements
    • Water level gauge
    • Coolant
  • Exhaust System
    • Mufflers
    • Exhaust Y adapters
    • Flexible fittings
    • Exhaust Elbows
    • Exhaust flange and expanders
  • Generators And Attachments
    • Generator conversion
    • Space heater
    • Space heater control
  • Instrumentation
    • Pyrometer and thermocouples
  • Lube System
    • Lube oil
    • Prelube manual sump pump
    • Electric prelube sump pump
    • Oil level regulator
  • Special Tests / Reports
    • Generator test report
    • PGS test report @ 0.8 power factor
    • Torsional vibration analysis
    • PGS test report @ 1.0 power factor
    • Standard engine test charge
    • PGS test report @ 1.0 power factor
    • PGS test report @ 0.8 power factor
    • Generator test report
    • Standard generator TVA report
    • Custom generator TVA report
    • Generator fuel consumption test
    • Standard engine test charge
  • Starting / Charging Systems
    • Starter covers
    • Jacket water heater
    • Electric starting motors
  • General
    • Barring devices
  • Crankcase System
    • Ventilation system
    • Protection systems
  • Batteries And Battery Housing
    • 24 Volt battery set - Dry
    • Battery chargers - 10, 20 and 35 amp
  • Power Connection System
    • EMCP voltage and current sensing groups
    • Breaker power connections
    • Center post busbar
  • Circuit Breaker - Lv Packages
    • Right hand power connections
    • Electronically operated circuit breakers
  • Mounting System
    • Spring type vibration isolator
    • Low efficiency isolators puck
    • Low efficiency isolators
    • Spring type vibration isolator
  • Power Connections
    • Low voltage - 1400 and 1600 Frame generators
    • Low voltage - Power connection options
    • Low voltage - Package mounted circuit breakers
    • Electrically operated circuit breakers
  • Starting / Charging System
    • 10 Amp battery charger
    • 20 Amp battery charger
    • 35 Amp battery charger
    • Electric starting motors
    • Starter covers
    • Jacket water heaters
    • Jacket water heater wiring groups
    • Batteries, racks and cables
  • Extended Service Coverage
    • Cat branded commercial power system
    • Platinum - 24, 36, 48, 60, 120 month coverage
    • Silver - 36 ,48, 60, 120 month coverage
    • Gold - 36,48, 60, 120 month coverage