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.

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Standard Equipment

  • Air Inlet System
  • Control System
    • Air cleaner; single element canister type with service indicator
    • 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
    • True RMS AC metering, 3-phase, +/-2% accuracy
    • 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
    • Coolant temperature
    • Volts (L-L & L-N)
    • Frequency (Hz)
    • Amps (per phase & average)
    • Power Factor (per phase & average)
  • Control Panel
    • KVAR/PF modes, RFI suppression, min/max exciter
    • Oil pressure (psi, kPa or bar)
  • Cooling System
    • 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:
  • Exhaust
  • Fuel System
    • Overspeed
    • Emergency stop
    • Failure to start (overcrank)
    • Low coolant temperature
    • 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
    • 6 programmable digital inputs
    • Woodward 2301A isochronous governor
  • Lube System
    • 2 programmable relay outputs (Form C)
    • 2 programmable digital outputs
    • JWAC
    • Fan and belt guards.
    • Coolant drain line with valve
    • Coolant level sensors. (Not included with packages without radiator)
    • 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
    • Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
    • 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
    • Dry Exhaust Manifold
    • Flanged faced outlet(s)
    • Secondary fuel filters
    • Fuel cooler; not included with packages without radiator
    • 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
  • Cooling System
    • Water level gauge
    • Exhaust Y adapters
    • Flexible fittings
    • Exhaust Elbows
    • Exhaust flange and expanders
  • Control System
    • 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
    • Optional radiator arrangements
    • Generator yemperature monitoring
    • Coolant
    • Mufflers
  • Exhaust System
    • Generator conversion
    • Space heater
    • Space heater control
    • Pyrometer and thermocouples
    • Lube oil
  • Generators And Attachments
    • Generator test report
    • PGS test report @ 0.8 power factor
    • Torsional vibration analysis
    • PGS test report @ 1.0 power factor
    • Standard engine test charge
    • Starter covers
    • Jacket water heater
    • Electric starting motors
    • Barring devices
  • Instrumentation
    • Oil level regulator
  • Lube System
    • Ventilation system
    • Protection systems
    • 24 Volt battery set - Dry
    • Battery chargers - 10, 20 and 35 amp
    • EMCP voltage and current sensing groups
    • Breaker power connections
  • Mounting System
    • Electronically operated circuit breakers
    • Low efficiency isolators puck
    • Low efficiency isolators
    • Spring type vibration isolator
  • Starting / Charging Systems
  • General
  • Crankcase System
    • Center post busbar
    • Right hand power connections
  • Batteries and Battery Housing
  • Power Connection System
  • Circuit Breaker - LV Packages
  • Power Connections
    • Low voltage - 1400 and 1600 Frame generators
    • Low voltage - Power connection options
    • Low voltage - Package mounted circuit breakers
    • Electrically operated circuit breakers
  • Special Tests / Reports
    • 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 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