3512B (50 Hz) Generator Set
At a Glance
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Standby Rating
1875/1750 kVA
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Prime Power Rating
1700/1600 kVA
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Emissions/Fuel Strategy
Low Fuel, Low Emissions
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Voltage
380 to 415 Volts
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Overview
Generator Set Specifications
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| 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
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| Engine Model |
3512B TA, V-12, 4-Stroke Water-Cooled Diesel |
| Bore |
6.69in |
| Stroke |
8.46in |
| Displacement |
3576in³ |
| Displacement - HD |
3576in³ |
| Compression Ratio |
15.5:1 HD |
| Aspiration |
TA |
| Fuel System |
Electronic Unit Injection |
| Governor Type |
ADEM™ A3 |
| Stroke - HD |
8.46in |
Generator Set Dimensions
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| 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 |
Standard Equipment:
Air Inlet System
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Aingle element canister type air cleaner with service indicator
Cooling
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Package mounted radiator (except C175)
Control Panel
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Speed adjust
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Oil pressure (psi, kPa or bar)
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4 Programmable relay outputs (Form A)
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kVAr (per phase, average & percent)
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Over/under frequency (81 o/u)
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Operating hours
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Accessory module data link
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Text alarm/event descriptions
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Amps (per phase & average)
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DC volts
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Frequency (Hz)
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2 Programmable relay outputs (Form C)
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kVAr-hr (total)
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Volts (L-L & L-N)
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RPM
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kW (per phase, average & percent)
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Over/under voltage (27 / 59)
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Environmental sealed front face
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Controls:
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Engine cool-down timer
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Customer data link (Modbus RTU)
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High coolant temperature
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2 Programmable digital outputs
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Power factor (per phase & average)
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24 Volt DC operation
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Overspeed
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Alarm acknowledge
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Lamp test
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kW-hr (total)
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Low coolant temperature
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Emergency stop
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Generator phase sequence
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Auto/start/stop control
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Cat ECS 100
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Low oil pressure
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Engine cycle crank
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Programmable protective relaying functions:
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Reverse power (kW) (32)
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Generator mounted - rear facing
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Digital indication for:
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Overcurrent (50 / 51)
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Warning/shutdown with common LED indication of shutdowns for:
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kVA (per phase, average & percent)
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Serial annunciator module data link
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Emergency stop button
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Reverse reactive power (kVAr) (32RV)
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6 Programmable digital inputs
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Failure to start (overcrank)
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Low coolant level
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Communications
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Coolant temperature
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True RMS AC metering, 3 phase, +/-2% accuracy
Fuel
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Primary fuel filter with integral water separator
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Secondary fuel filters
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Fuel priming pump
Control System
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Failure to start (overcrank)
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Auto/start/stop control
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Cat ECS 100
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Lamp test
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Emergency stop pushbutton
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4 programmable digital inputs
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Volts (L-L & L-N)
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Low coolant level
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Overspeed
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frequency (Hz)
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Engine cycle crank
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DC volts
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Coolant temperature
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Alarm acknowledge
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True RMS AC metering, 3-phase, +/-2% accuracy
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Communications
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24 Volt DC operation
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Engine cool-down timer
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RPM
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Warnings/shutdown indicators
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Digital indication for:
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Oil pressure
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Low oil pressure
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Amps (per phase & average)
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Speed adjust
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Emergency stop
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4 programmable digital outputs
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Operating hours
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High coolant temperature
Generator
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Matched to the performance and output characteristics of Cat engines
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IP23 Protection
Generator System
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Internal excitation (IE)
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NEMA Class H insulation
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Caterpillar's digital voltage
regulator (CDVR)
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Class H temperature rise at 40C ambient
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3-phase voltage sensing
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Busbar connections
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min/max exciter
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Random wound
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3 phase brushless, Salient pole
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RFI suppression
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Winding temperature detectors
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6 Lead
Literature
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Operation & Maintenance Manual
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Parts book
Cooling System
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Coolant drain line with valve
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Radiator fan and fan drive
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Fan and belt guards
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JWAC
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Caterpillar extended life coolant. (Not included with packages without radiator, installed SF44CTS, shipped loose radiators or heat exchangers)
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Coolant level sensors (Not included with packages without radiator)
Exhaust System
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Dry exhaust manifold
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Flanged faced outlet(s)
Fuel System
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Flexible fuel lines - shipped loose
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Secondary fuel filters
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Fuel priming pump
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Fuel cooler; not included with packages without radiator
Generators And Attachments
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6 Leads
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Note: 1800 Frames are form wound, permanent magnet excitation (PMG), with winding temp detectors
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Busbar connections, top center mounted, top cable entry
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KVAR / PF modes
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Internal excitation (IE)
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Generator set packages include: Regulator (CDVR)
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RFI suppression
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Winding temperature detectors
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NEMA Class H insulation
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50 Hz models: IEC standard hole pattern
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Reactive droop capability
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3 Phase brushless, Salient pole
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Exciter diode monitor
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Min / max exciter limiter
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Random wound
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3 Phase voltage sensing
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LV
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Class H temperature rise at 40C ambient (125C prime / 150C standby)
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Caterpillar's digital voltage regulator (CDVR) includes:
Governing System
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Woodward 2301A isochronous governor
Lube System
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Lubricating oil
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Fumes disposal
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Integral lube Oil cooler
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Oil drain lines and valve
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Gear type lube oil pump
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Oil filter, filler and dipstick
Mounting System
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Rubber anti-vibration mounts - shipped loose
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Rails - Engine/generator/radiator mounting
Starting / Charging System
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24 Volt electric starting motor
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Battery and battery rack w/cables
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Battery disconnect switch
General
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Paint - Caterpillar yellow with high gloss black rails & radiator
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RH service
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SAE standard rotation
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Flywheel and Flywheel housing-SAE No. 00
Optional Equipment:
Air Inlet System
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Dual element air cleaners
Remote air inlet adaptors
Air inlet protection
Generator
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Internal excitation (IE)
Anti-condensation heater
Oversize and premium generators
Permanent magnet excitation (PMG)
Circuit Breakers
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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
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Circuit breakers, UL listed
Circuit breakers, IEC compliant
Mounting
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Rubber anti-vibration mounts
Spring type vibration isolators
IBC isolators
Control Panels
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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
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Oversize batteries
Air starting motor with control and silencer
Heavy duty starting system
Jacket water heater
Charging alternator
Battery chargers
Cooling System
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Water level switch gauges
Heat exchangers
Optional radiator arrangements
European Certifications
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European Directive genset, DoI (Declaration of Incorporation)
EU Declaration of Conformity
European Union certification
Eurasian Conformity (EAC) mark
Exhaust System
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Through-wall installation kit
Mufflers
Muffler mounting kits
Flexible fittings
Generators And Attachments
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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
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Pyrometer and thermocouples
Lube System
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Oil level reg-1 shallow pan
Manual prelube sump pumps
Electric prelube pumps
Mounting System
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IBC vibration isolators
Spring type vibration isolators
Special Tests / Reports
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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
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24 Volt dual electric starting motor
Oversize battery set
Jacket water heaters
Ether starting aid
20 Amp Battery charger
10 Amp Battery chargers
