336 Excavator

  • Specs Summary

3512B Diesel Generator Set

The 3512B diesel generator sets have been developed to meet your mission critical, continuous, standby and prime applications. Producing reliable power from 1320 to 1875 kVA at 50 Hz, each generator set is designed to meet ISO 8528-5 transient response requirements and accept 100 percent rated load in one step. Our 3512B generator sets are designed for either low fuel consumption or low emissions. Our integrated control system, including ATS and switchgear keeps power supply consistent and keeps you connected to your fleet with on-site and remote monitoring options. Get management and diagnostics tools in one, with our EMCP 4 control panel options, all designed with a user-friendly interface. It's not just quality that matters but customization, choose from a broad range of accessories and bolt-on system expansion attachments. Discover our upgradeable packaging options to work with your spatial restrictions and environmental conditions. Our 3512B generator sets are developed for such demands,so that you can meet your specific power needs.

Standard Equipment

Air Inlet System

  • Aingle element canister type air cleaner with service indicator

Control Panel

  • EMCP 4.2
  • Emergency stop button
  • 24 Volt DC operation
  • Environmental sealed front face
  • Text alarm / event descriptions
  • Generator mounted - rear facing
  • 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
  • Radiator fan and fan drive
  • 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 System

  • 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 Leads
  • Generator set packages include: Regulator (CDVR)
  • Caterpillar's Digital Voltage Regulator (CDVR) includes:
  • Reactive droop capability
  • 3 Phase voltage sensing
  • KVAR / PF modes
  • RFI suppression
  • Min / max exciter limiter
  • Exciter diode monitor
  • LV:
  • Random wound
  • Internal Excitation
  • 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
  • 50 Hz models: IEC standard hole pattern
  • Note: 1800 frames are form wound, permanent magnet, with winding temp detectors

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
  • 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

  • Dual element air cleaners
  • Remote air inlet adaptors
  • Air Inlet protection

Circuit Breakers

  • Optional busbar power connections
  • Breaker harnesses
  • Center posts busbars
  • Cable entry options
  • Controls packaging - Enclosures
  • EMAX circuit breakers
  • 2000, 2500, 3200 and 4000 Amp, 3 pole, IEC rated circuit breakers
  • 2000, 2500, 3200 and 4000 Amp, 4 pole, IEC rated circuit breakers
  • Busbar connections
  • EMAX breakers connections

Control Panels

  • EMCP 4.3, EMCP 4.4
  • Customer connection mounting locations
  • Annunciator modules
  • Governors
  • Mounting group - External box clips
  • Auxiliary boxes
  • Customer interface options
  • Generator temperature monitoring
  • Remote speed adjust
  • Vandle proof panel door
  • Local PC monitoring
  • Ground (Automatically selected)

Cooling System

  • Optional radiator arrangements
  • Water level switch gauges
  • Heat exchangers

European Certifications

  • European Union certification
  • EU declaration of conformity
  • Eurasian conformity (EAC) mark
  • European directive genset, DoI (Declaration of Incorporation)

Exhaust System

  • Mufflers
  • Muffler mounting kits
  • Flexible fittings
  • Through-wall installation kit

Fuel System

  • Primary fuel filter

Generators and Attachments

  • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, internal excitation, No. of leads = 6, pitch= 0.6667
  • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, random wound, permanent magnet, No. of leads = 6, pitch= 0.6667
  • 1500 RPM, 380/400/415volts @ 50 Hz, 3 phase, form wound, permanent magnet, No. of leads = 6, pitch= 0.6667
  • Generator conversion
  • Space heater

Instrumentation

  • Pyrometer and thermocouples

Lube System

  • Oil level Reg-1 shallow pan
  • Electric prelube pumps
  • Manual prelube sump pumps

Mounting System

  • Spring-type vibration isolator
  • IBC vibration isolators

Protection System

  • Explosion relief valve

Special Tests / Reports

  • Neutral grounding connection
  • Neutral ground-LV
  • PGS test report @ 1.0 power factor
  • PGS test report @ 0.80 power factor
  • IBC seismic certifications

Starting / Charging System

  • 10 Amp battery chargers
  • 20 Amp battery charger
  • Oversize battery set
  • 24 Volt dual electric starting motor
  • Ether starting aid
  • Jacket water heaters

General

  • Engine barring group