APD-NG125 product details and specifications:

General Characteristics 

• Model Name: APD-NG125 

• Engine Make: PSI 

• Engine Model: 8.8LT-NG / 8.8LNA-LP 

• Alternator Make: Stamford 

• Control Panel Make & Model: DSE 7320 

• Frequency & Speed: 60Hz, 1800rpm 

• Enclosure Make & Model: AKSA AUL 51/52 

Genset Rating 

• NG Standby Power: 125 kW 

• LP Gas Standby Power: 100 kW (up to 125 kW at 240/120V config) 

• Available Voltages: 480/277V, 240/120V (1ph), 208/120V, 600/347V, 240/120V 

• Power Factor: 0.8 (1.0 for 240/120V single phase) 

• EPA Certified for Emergency Stationary Applications 

Engine Data 

• Manufacturer: PSI 

• Model: 8.8LT / 8.8LNA 

• Displacement & Cylinders: 8.8 L / 8 Cylinders 

• Engine Type: V-type, 4 Cycle 

• Engine Speed: 1800 rpm 

• Engine Standby Power NG: 147.2 kW (8.8LT) 

• Engine Standby Power LP: 138.25 kW (8.8LNA) 

• Aspiration: Forced Induction 

• Compression Ratio: 10.1:1 

• Bore / Stroke: 110.5 mm / 114.3 mm 

• Governor Type: Electronic 

Fuel System 

• Fuel Type: NG, LP Gas/Dual Fuel 

• Min NG Supply Pipe Size: 1-1/4" NPTF 

• Min LPG Supply Pipe Size: 3/4" 

• Maximum EPR Rated Pressure: 6.9 kPa / 1.0 psi 

• Max Pressure to EPR: 2.7 kPa / 11.0 inH2O 

• Min Pressure to EPR: 1.7 kPa / 7.0 inH2O 

Fuel Consumption 

• Standby Power (100%): 1965 cfh NG / 576 cfh LP 

• Standby Power (75%): 1529 cfh NG / 442 cfh LP 

• Standby Power (50%): 1102 cfh NG / 322 cfh LP 

• Standby Power (25%): 688 cfh NG / 205 cfh LP 

Lubrication System 

• Oil Specifications: SAE 5W-30, API Rating SM or Newer 

• Oil Pan Capacity: 8.0 qts 

• Oil Filter: 1, Cartridge 

• Max Allowable Oil Temp: 250°F 

Electric System 

• System Voltage (DC): 12V 

• Battery Qty, Rating: 1 x 80Ah 

Cooling System 

• Radiator Cooling System Type: Closed Circuit 

• Coolant Capacity, Engine Only: 14.5 quart 

• Cranking Temperature: 160°F 

• Full Open Temperature: 185°F 

Exhaust System 

• Type: Air Cooled Manifold 

• Max Allowable Back Pressure: 10.2 kPa 

• Cont. Rating Catalyst Configuration: Dual Substrate 

• Exhaust Gas Flow at Rated Power @ 1350°F: 1017.9 cfm (8.8LT) / 803.9 cfm (8.8LNA) 

Air Intake System 

• Combustion Air Required: 315.2 cfm 

• Max Intake Air Restriction (Clean Element): 1.49 kPa 

• Air Filter Type: Dry Paper Element 

Alternator Data 

• Manufacturer: Stamford 

• Standards: BS EN 60034 

• Control System: PMG 

• A.V.R.: MX341 

• Voltage Regulation: ±1% 

• Insulation System: Class H 

• Protection: IP23 

• Rated Power Factor: 0.8 

• Stator Winding: Double Layer Concentric 

• Winding Pitch: Two Thirds 

• Winding Leads: 12 

• Telephone Interference: THF < 2% 

• Waveform Distortion: No Load < 1.5% 

• Maximum Over Speed: 2250 rev/min 

Controller Data 

• Manufacturer: DSE 

• Model: 7320 MK II 

• Microprocessor controlled, UL & NFPA110 Compatible 

• License free PC Software (Non-proprietary Software) 

• IP65 rating offers increased resistance to water ingress 

• Real time clock provides accurate event log 

• Four line back-lit LCD text display 

• Support up to three remote display modules 

• Configurable timers, alarms, and multiple date/timer scheduler 

• Integral PLC editor 

• Load switching (load shedding and dummy load outputs) 

• Fully configurable and SCADA-monitored via DSE Configuration Suite PC Software 

Protection & Instruments 

• Gen. Voltage / Frequency – under/over protection 

• Engine Speed, Oil Pressure, Temp, Battery Voltage monitoring 

• Weak Battery, Fail to Start/Stop, Charge Alternator Fail alarms 

• Over Current & Load, Unbalanced Load, Independent Earth Fault, Reverse Power 

• Instruments: Voltage (L-L/L-N), Frequency, Engine Speed, Oil Pressure, Water Temperature 

• Instruments: Battery Voltage, Run Time, Phase Sequence, Power (kWh/kVAh/kVArh), Power Factor 

• Instruments: Generator Current, Generator Load (%), Earth Current 

Battery Charger & Electrical System 

• Manufacturer: ComAp 

• Model: InteliCharger 

• Input Voltage: 85V ~ 264V AC 

• Output Voltage / Current: 13.8V Float / 4A pk 

Jacket Water Heater Data 

• Manufacturer: Hotstart 

• Model: CTM15210-N00 

• Input Voltage: 240V 

• Power: 1500W 

Enclosure Features 

• Heavy Duty Steel / Aluminum Structure 

• E-Stop on Enclosure 

• Control Panel Eliminated from Engine Vibrations 

• Standard Sound Attenuation Foam 

• Plastic Covered Corrosion Resistant Locks & Hinges 

• Internally Mounted Exhaust System with Rain Cap 

• Coolant Fill Cap 

• Removable Base Frame Lifting Hooks 

• Oil & Coolant Drain Ports 

• Easy Access for Maintenance 

Dimensions & Weight 

• Open Skid: 116 in (L) x 43.3 in (W) x 54 in (H), Dry Weight 3000 lbs. 

• Enclosed Level 1: 145.7 in (L) x 43.3 in (W) x 66.4 in (H), Dry Weight 4500 lbs., Sound Pressure @ 7m 76 dBA 

• Enclosed Level 2: 145.7 in (L) x 43.3 in (W) x 82 in (H), Dry Weight 4875 lbs., Sound Pressure @ 7m 72 dBA 

Standard Features & Accessories 

• UL2200 Certification 

• Heavy Duty Steel Base Frame 

• PMG 

• Engine Jacket Water Heater 

• Battery and Battery Rack 

• Battery Charger 

• Anti Vibration Pads between Engine/Alternator & Base Frame 

• Critical Grade Silencer Inside Enclosure 

• Residential Grade Silencer Set for Open Skid Sets 

• Exhaust outlet rain cap and radiator fill cap 

• Sound Absorb Foam Material for Enclosure 

• Emergency Stop Button 

• Oil Drain Valve, Coolant Drain Valve 

• Jacket Water Heater Isolation Valves 

• Flex Fuel Lines 

• Secondary Lock-off Valve on Baseframe 

• Engine Manifold Cover, Turbocharger Cover 

• Protection Covers for Rotating Parts 

• Exhaust Insulation Cover 

• Enclosure DC Light 

• Operations Manual 

• 24 Months / 2000 hours Limited Standby Warranty 

Optional Accessories 

• Main Line CB (3/4 Poles – 80%/100% rated) 

• Upsize Alternator 

• Anti-condensation Heater 

• Voltage Regulation ±0.5% w/MX321 AVR 

• Gas Regulator 

• NG / LP Auto Changeover Control System 

• Low Gas Pressure Alarm, Low Coolant Level Alarm 

• Oil Pan Heater, Oil Temperature Display on Controller 

• Manual Speed/Voltage Adjust Rheostat 

• Remote Annunciator Panel, Remote Control & Monitoring Panel 

• Advanced SMS Messaging 

• Control Panel Heater 

• Battery Disconnect Switch, Battery Heater, Battery Charger 10/20 Amp 

• Shunt Trip / Aux Contacts 

• Spring Anti-vibration Isolators 

• Automatic Transfer Panel (ATS) 

• 5 Years / 2000 hours Limited Comprehensive Warranty 

Codes & Standards 

• Designed and manufactured in a facility certified to ISO9001 

• Designed and manufactured in a facility certified to ISO14001:2015 

• Single source responsibility for the generator set & accessories 

• Prototype tested and production tested according to the UL test program 

• Meets NFPA70, 99, 110, 37 Level 1 (with fast start kit for NFPA110 Level 1) 

product specifications:

product related documents:

APD-NG125.pdf