Exterior View
Standby Rating

1625/1600/1500 kVA

Prime Power Rating

1500/1360 kVA

Emissions/Fuel Strategy

Low Fuel, Low Emissions

3512B (50 Hz) Generator Set

ABOUT THE 3512B 50

Caterpillar is leading the power generation market with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.

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COMPARE THE 3512B 50 TO OTHER Diesel-generator-sets

Standby Rating
1625/1600/1500 kVA
Prime Power Rating
1500/1360 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
1625 kVA
Minimum Rating
1320 kVA
Engine Model
3512B TA, V-12, 4-Stroke Water-Cooled Diesel
Bore
6.69in
Stroke
7.48in
Displacement
3161.03in³
Compression Ratio
14.0:1
Aspiration
TA
Fuel System
Electronic Unit Injection
Governor Type
ADEM™ A3
Length – Minimum
206.6in
Length – Maximum
215.3in
Width – Minimum
77.8in
Width – Maximum
90in
Height – Maximum
93.2in
Dry Weight – Genset (minimum)
25010lb
Dry Weight – Genset (maximum)
26840lb
  • Air Inlet System
    • Aingle element canister type air cleaner with service indicator
  • Air Inlet
    • Air cleaner
  • Cooling
    • Package mounted radiator (except C175)
  • Control Panel
    • Emergency stop button
    • Programmable protective relaying functions:
    • Over/under voltage (27 / 59)
    • kVAr (per phase, average & percent)
    • kVA (per phase, average & percent)
    • Engine cool-down timer
    • Generator mounted – rear facing
    • Overcurrent (50 / 51)
    • Warning/shutdown with common LED indication of shutdowns for:
    • Low coolant level
    • DC volts
    • Generator phase sequence
    • Overspeed
    • Frequency (Hz)
    • Volts (L-L & L-N)
    • Reverse reactive power (kVAr) (32RV)
    • Text alarm/event descriptions
    • 2 Programmable digital outputs
    • RPM
    • 2 Programmable relay outputs (Form C)
    • Speed adjust
    • Alarm acknowledge
    • kVAr-hr (total)
    • Digital indication for:
    • Power factor (per phase & average)
    • Environmental sealed front face
    • Controls:
    • True RMS AC metering, 3 phase, +/-2% accuracy
    • Low oil pressure
    • kW (per phase, average & percent)
    • Engine cycle crank
    • Accessory module data link
    • Coolant temperature
    • Cat ECS 100
    • 24 Volt DC operation
    • Over/under frequency (81 o/u)
    • Amps (per phase & average)
    • 4 Programmable relay outputs (Form A)
    • Reverse power (kW) (32)
    • Operating hours
    • Communications
    • Oil pressure (psi, kPa or bar)
    • Serial annunciator module data link
    • kW-hr (total)
    • 6 Programmable digital inputs
    • High coolant temperature
    • Failure to start (overcrank)
    • Low coolant temperature
    • Lamp test
    • Emergency stop
    • Auto/start/stop control
    • Customer data link (Modbus RTU)
  • Exhaust
    • Exhaust flange outlet
  • Fuel
    • Secondary fuel filters
    • Primary fuel filter with integral water separator
    • Fuel priming pump
  • Control System
    • Engine cool-down timer
    • DC volts
    • True RMS AC metering, 3-phase, +/-2% accuracy
    • High coolant temperature
    • Coolant temperature
    • Auto/start/stop control
    • Failure to start (overcrank)
    • Communications
    • Oil pressure
    • Emergency stop
    • Cat ECS 100
    • Overspeed
    • frequency (Hz)
    • Volts (L-L & L-N)
    • Engine cycle crank
    • Warnings/shutdown indicators
    • Speed adjust
    • Lamp test
    • 24 Volt DC operation
    • RPM
    • 4 programmable digital inputs
    • Low coolant level
    • Operating hours
    • Alarm acknowledge
    • Emergency stop pushbutton
    • Low oil pressure
    • Amps (per phase & average)
    • 4 programmable digital outputs
    • Digital indication for:
  • Generator
    • IP23 Protection
    • Matched to the performance and output characteristics of Cat engines
  • Power Termination
    • Busbar
  • Generator System
    • Class H temperature rise at 40C ambient
    • 3 phase brushless, Salient pole
    • 6 Lead
    • Winding temperature detectors
    • NEMA Class H insulation
    • Random wound
    • Internal excitation (IE)
    • 3-phase voltage sensing
    • Busbar connections
    • min/max exciter
    • Caterpillar’s digital voltage regulator (CDVR)
    • RFI suppression
  • Literature
    • Parts book
    • Operation & Maintenance Manual
  • Cooling System
    • Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
    • JWAC
    • Coolant level sensors (Not included with packages without radiator)
    • Coolant drain line with valve
    • Radiator fan and fan drive
    • Fan and belt guards
  • Exhaust System
    • Dry exhaust manifold
    • Flanged faced outlet(s)
  • Fuel System
    • Fuel priming pump
    • Secondary fuel filters
    • Fuel cooler; not included with packages without radiator
    • Flexible fuel lines – shipped loose
  • Generators And Attachments
    • Note: 1800 Frames are form wound, permanent magnet excitation (PMG), with winding temp detectors
    • 3 Phase voltage sensing
    • RFI suppression
    • Class H temperature rise at 40C ambient (125C prime / 150C standby)
    • Min / max exciter limiter
    • Exciter diode monitor
    • Busbar connections, top center mounted, top cable entry
    • 3 Phase brushless, Salient pole
    • 50 Hz models: IEC standard hole pattern
    • Caterpillar’s digital voltage regulator (CDVR) includes:
    • Random wound
    • Generator set packages include: Regulator (CDVR)
    • Reactive droop capability
    • 6 Leads
    • KVAR / PF modes
    • NEMA Class H insulation
    • Winding temperature detectors
    • Internal excitation (IE)
    • LV
  • Governing System
    • Woodward 2301A isochronous governor
  • Lube System
    • Lubricating oil
    • Gear type lube oil pump
    • Integral lube Oil cooler
    • Oil filter, filler and dipstick
    • Fumes disposal
    • Oil drain lines and valve
  • Mounting System
    • Rails – Engine/generator/radiator mounting
    • Rubber anti-vibration mounts – shipped loose
  • Starting / Charging System
    • Battery disconnect switch
    • Battery and battery rack w/cables
    • 24 Volt electric starting motor
  • General
    • SAE standard rotation
    • Flywheel and Flywheel housing-SAE No. 00
    • RH service
    • Paint – Caterpillar yellow with high gloss black rails & radiator
  • Air Inlet System
    • Air inlet protection
    • Remote air inlet adaptors
    • Dual element air cleaners
  • Exhaust
    • Exhaust mufflers
  • Generator
    • Anti-condensation heater
    • Internal excitation (IE)
    • Permanent magnet excitation (PMG)
    • Oversize and premium generators
  • Circuit Breakers
    • Cable entry options
    • 2000, 2500, 3200 and 4000 Amp, 4 pole, IEC rated Circuit breakers
    • Busbar connections
    • Center posts busbars
    • Controls packaging – Enclosures
    • 2000, 2500, 3200 and 4000 Amp, 3 pole, IEC rated Circuit breakers
    • Optional busbar power connections
    • EMAX breakers connections
    • EMAX Circuit breakers
    • Breaker harnesses
  • Power Termination
    • Circuit breakers, UL listed
    • Circuit breakers, IEC compliant
  • Control Panels
    • Annunciator modules
    • Customer connection mounting locations
    • Remote speed adjust
    • Local PC monitoring
    • Generator temperature monitoring
    • Auxiliary boxes
    • Governors
    • Customer interface options
    • EMCP 4.4
    • Ground (Automatically selected)
    • Mounting group – External box clips
    • Vandle proof panel door
  • Mounting
    • Rubber anti-vibration mounts
    • IBC isolators
    • Spring type vibration isolators
  • Starting/charging
    • Oversize batteries
    • Air starting motor with control and silencer
    • Jacket water heater
    • Heavy duty starting system
    • Charging alternator
    • Battery chargers
  • Cooling System
    • Water level switch gauges
    • Optional radiator arrangements
    • Heat exchangers
  • European Certifications
    • European Union certification
    • EU Declaration of Conformity
    • European Directive genset, DoI (Declaration of Incorporation)
    • Eurasian Conformity (EAC) mark
  • Exhaust System
    • Mufflers
    • Muffler mounting kits
    • Through-wall installation kit
    • 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
    • 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
    • Space heater
  • Instrumentation
    • Pyrometer and thermocouples
  • Lube System
    • Oil level reg-1 shallow pan
    • Electric prelube pumps
    • Manual prelube sump 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
    • Neutral ground-LV
    • IBC seismic Certifications
    • PGS Test report @ 1.0 power factor
    • Neutral grounding connection
  • Starting / Charging System
    • Oversize battery set
    • Jacket water heaters
    • 10 Amp Battery chargers
    • Ether starting aid
    • 24 Volt dual electric starting motor
    • 20 Amp Battery charger
  • General
    • Engine barring group




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Small Excavators Big Savings: Terms and Conditions

* Offer valid from October 1, 2024 through December 31, 2024 on new 313 through 317 Cat® excavators sold by participating Cat dealers to customers in the USA or Canada. Purchase must occur during offer period. Offer subject to machine availability and credit approval by Cat Financial. Not all customers will qualify. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply.

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*Offer valid from October 1, 2024 through December 31, 2024. Offer only available on select new Cat® machines listed in our Heavy Equipment Promotion page. Purchase must occur by December 31, 2024. Offer subject to machine availability. Offer is subject to credit approval by Caterpillar Financial Services Corporation for US customers, and Caterpillar Financial Services Limited for Canadian customers. Not all customers will qualify. The offered Cat Customer Value Agreement (CVA) includes 6 maintenance parts kits; S∙O∙SSM; and 36 month VisionLink® ConnectPro. The maintenance parts cover the first 3,000 hours^ (estimated 3 years) of machine utilization. Each kit contains one set of parts for regular planned maintenance under normal operating conditions. In some severe applications where maintenance parts need to be replaced more frequently, additional parts will be at customer’s expense. Offer excludes additional maintenance parts, dealer labor, wear parts, and fluids. Offer also includes a 36 month/5000 hour (whichever occurs first) Powertrain, Hydraulics and Technology Equipment Protection Plan (EPP). In some areas, EPP might be sold separately from the CVA. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply. Contact your Cat dealer for details.

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*Offer valid from October 1, 2024 through December 31, 2024. Offer only available on purchases of new mini excavators, micro excavators, skid steer loaders, and compact track loaders sold by participating Cat dealers to customers in the USA or Canada. Purchases (both machine and CVA) and machine delivery must occur by December 31, 2024. Offer subject to machine availability. Offer is subject to credit approval by Caterpillar Financial Services Corporation for US customers, and Caterpillar Financial Services Limited for Canadian customers. Not all customers will qualify. The credit $500 USD for CVA purchase can only be applied toward the purchase of a qualifying Cat Customer Value Agreement (CVA). CVA must be at least 2yr/1000hr and must include 1-year Preventative Maintenance Parts Kit, TA1 annual Inspection, signed CVA contract, and Product LinkTM. Amount of CVA credit is the same for all models and cannot exceed the price of the qualifying CVA. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply.

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