Generator set data sheet Prime. Fuel consumption. Engine Standby rating Prime rating Continuous rating. Fuel flow

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1 Generator set data sheet Model: Frequency: Fuel type: kw rating: Emissions level: DQLC 60 Hz Diesel 500 Standby 335 Prime 950 Continuous Exhaust emission data sheet: Sound performance data sheet: Cooling performance data sheet: Prototype test summary data sheet: Remote radiator cooling outline: High ambient air temperature radiator cooling outline (ship loose): Enhanced high ambient air temperature radiator cooling outline (ship loose): EDS-074 MSP-050 MCP-64 PTS-7 A049T35 A049T37 A049T39 Fuel consumption Standby Prime Continuous kw (kva) kw (kva) kw (kva) Ratings 500 (35) 335 (90) 950 (438) Load /4 / 3/4 Full /4 / 3/4 Full Full US gph L/hr Engine Standby rating Prime rating Continuous rating Engine manufacturer Cummins Inc. Engine model Configuration Aspiration QSK78-G8 Cast Iron, V 8 cylinder Turbocharged and low temperature after-cooled Gross engine power output, kwm (bhp) 7 (3636) 539 (3405) 38 (867) BMEP at set rated load, kpa (psi) 37 (338) 80 (36) 835 (66) Bore, mm (in.) 70.0 (6.69) Stroke, mm (in.) 90.0 (7.48) Rated speed, rpm 800 Piston speed, m/s (ft/min).4 (43) Compression ratio 5.3: Lube oil capacity, L (qt) 43 (436) Overspeed limit, rpm 00 Regenerative power, kw 357 Fuel flow Maximum fuel flow, L/hr (US gph) 34 (590) Maximum fuel restriction at injection pump with clean filter, kpa (in Hg) 7 (5) Maximum fuel inlet temperature, C ( F) 70 (60)

2 Air Standby rating Prime rating Continuous rating Combustion air, m 3 /min (cfm) (7500) 0 (737) 78 (690) Maximum air cleaner restriction, kpa (in HO) 3.7 (5) Alternator cooling air, m 3 /min (cfm) 78 (678) Exhaust Exhaust flow at set rated load, m 3 /min (cfm) 53 (848) 496 (753) 433 (589) Exhaust temperature, C ( F) 443 (89) 433 (8) 40 (77) Maximum back pressure, kpa (in HO) 6.7 (7) High ambient air temperature radiator cooling (ship loose) Ambient design, C ( F) 43 (09) Fan load, kwm (HP) 90 () Coolant capacity (with radiator), L (US gal) 738 (95) Cooling system air flow, m 3 /min (scfm) 3060 (08000) Total heat rejection, MJ/min (Btu/min) 3 (07000) 97 (9800) 79 (74700) Maximum cooling air flow static restriction, kpa (in HO) 0. (0.5) Enhanced high ambient air temperature radiator cooling (ship loose) Ambient design, C ( F) 5 (6) Fan load, kwm (HP) 07 (44) Coolant capacity (with radiator), L (US gal) 06 (80) Cooling system air flow, m 3 /min (scfm) 4560 (6000) Total heat rejection, MJ/min (Btu/min) 3 (07000) 97 (9800) 79 (74700) Maximum cooling air flow static restriction, kpa (in HO) 0.4 (0.5) Remote radiator cooling Set coolant capacity, L (US gal) 3 (59) Max flow rate at max friction head, jacket water circuit, L/min (US gal/min) Max flow rate at max friction head, aftercooler circuit, L/min (US gal/min) 536 (670) 996 (63) Heat rejected, jacket water circuit, MJ/min (Btu/min) 57.6 (5460) 55. (5354) 49.7 (4709) Heat rejected, aftercooler circuit, MJ/min (Btu/min) 40. (3805) 37. (3508) 30. (8574.) Heat rejected, fuel circuit, MJ/min (Btu/min).6 (500) Total heat radiated to room, MJ/min (Btu/min) (9956) 9.7 (8738) 6.7 (590) Maximum friction head, jacket water circuit, kpa (psi) 69 (0) Maximum friction head, aftercooler circuit, kpa (psi) 48 (7) Maximum static head, jacket water circuit, m (ft) 8.3 (60) Maximum static head, aftercooler circuit, m (ft) 8.3 (60) Maximum jacket water outlet temp, C ( F) 04 (0) 00 () 00 () Maximum aftercooler inlet temp at 5 C (77 F) ambient, C ( F) 49 (0) Maximum aftercooler inlet temp, C ( F) 65 (50) Maximum fuel flow, L/hr (US gph) 34 (590) Maximum fuel return line restriction, kpa (in Hg) 33.8 (0)

3 Weights Unit dry weight kgs (lbs) 30 (566) Unit wet weight kgs (lbs) 438 (53433) For non-standard remote installations contact your local Cummins representative. Weights represent a set with standard features. See outline drawing for weights of other configurations. Derating factors Standby Prime Continuous Engine power available up to 363 m (7749 ft) at ambient temperatures up to 40 C (04 F) and up to 344 m (440 ft) at 50 C (0 F). Above these conditions, derate at.7% per 305 m (000 ft) and 7.6% per 0 C (8 F). Engine power available up to 86 m (606 ft) at ambient temperatures up to 40 C (04 F) and up to 03 m (334 ft) at 50 C (0 F). Above these conditions, derate at 4.5% per 305 m (000 ft) and 3% per 0 C (8 F). Engine power available up to 467 m (48 ft) at ambient temperatures up to 40 C (04 F) and up to 555 m (89 ft) at 50 C (0 F). Above these conditions, derate at 5.% per 305 m (000 ft) and 6% per 0 C (8 F). Ratings definitions Emergency Standby Power (ESP): Limited-Time Running Power (LTP): Prime Power (PRP): Base Load (Continuous) Power (COP): power to varying electrical load for the duration of power interruption of a reliable utility source. Emergency Standby Power (ESP) is in accordance with ISO 858. Fuel stop power in accordance with ISO 3046, AS 789, DIN 67 and BS 554. power to a constant electrical load for limited hours. Limited-Time Running Power (LTP) is in accordance with ISO 858. power to varying electrical load for unlimited hours. Prime Power (PRP) is in accordance with ISO 858. Ten percent overload capability is available in accordance with ISO 3046, AS 789, DIN 67 and BS 554. power continuously to a constant electrical load for unlimited hours. Continuous Power (COP) is in accordance with ISO 858, ISO 3046, AS 789, DIN 67 and BS 554.

4 Alternator data Voltage Connection Temp rise degrees C Duty Single phase factor 3 Max surge kva 4 Winding No. Alternator data sheet Feature code 380 Wye, 3-phase 05 C ADS-57 B Wye, 3-phase 5 S ADS-56 B Wye, 3-phase 50 S ADS-55 B Wye, 3-phase 5 P ADS-56 B Wye, 3-phase 80 C ADS-56 B Wye, 3-phase 05 P ADS-56 B Wye, 3-phase 05 C ADS-55 B Wye, 3-phase 50/5/05 S/P/C 84 ADS-56 B Wye, 3-phase 5/80 S/P/C 979 ADS-57 B Wye, 3-phase 05/80 S/P 304 ADS-53 B Wye, 3-phase 80 S 478 ADS-53 B Wye, 3-phase 50 S 767 ADS-55 B Wye, 3-phase 5 P 84 ADS-56 B Wye, 3-phase 5/05/80 S/P/C 84 ADS-56 B Wye, 3-phase 05 S 979 ADS-57 B Wye, 3-phase 80 S 304 ADS-53 B Wye, 3-phase 80 P 304 ADS-53 B Wye, 3-phase 05 C 767 ADS-55 B Wye, 3-phase 50 S ADS-55 B Wye, 3-phase 5 P ADS-55 B Wye, 3-phase 5/05/80 S/P/C ADS-56 B Wye, 3-phase 05 S ADS-57 B Wye, 3-phase 80 S ADS-53 B Wye, 3-phase 80 P ADS-53 B Wye, 3-phase 05 C ADS-55 B Wye, 3-phase 50/05 S/P/C ADS-58 B Wye, 3-phase 5 S ADS-58 B Wye, 3-phase 05/80 P/C ADS-59 B57- Single phase power can be taken from three phase generator sets at up to the value listed in the single phase factor column for the generator set nameplate kw rating at unity power factor. Standby (S), Prime (P) and Continuous ratings (C). 3 Factor for the Single phase output from Three phase alternator formula listed below. 4 Maximum rated starting kva that results in a minimum of 90% of rated sustained voltage during starting.

5 Alternator data (continued) Voltage Connection Temp rise degrees C Duty Single phase factor 3 Max surge kva 4 Winding No. Alternator data sheet Feature code 460 Wye, 3-phase 05 S ADS-59 B Wye, 3-phase 80 S ADS-50 B Wye, 3-phase 80 P ADS-50 B k Wye, 3-phase 5 P ADS-5 B804-3.k Wye, 3-phase 5/05 S/P ADS-53 B89-3.k Wye, 3-phase 05 C ADS-5 B805-3.k Wye, 3-phase 05 S ADS-53 B50-3.k Wye, 3-phase 80 P 3 9 ADS-533 B566-3.k Wye, 3-phase 80 S ADS-534 B807-3.k Wye, 3-phase 80 C ADS-5 B k Wye, 3-phase 5 S ADS-5 B80-3.8k Wye, 3-phase 05 P ADS-5 B8-3.8k Wye, 3-phase 05 C ADS-5 B k Wye, 3-phase 80 S 3 9 ADS-533 B60-3.8k Wye, 3-phase 80 P 3 9 ADS-533 B k Wye, 3-phase 80 C ADS-5 B k Wye, 3-phase 5 S ADS-53 B8-.47k Wye, 3-phase 05 P ADS-53 B83-.47k Wye, 3-phase 05 S 3 9 ADS-533 B k Wye, 3-phase 80 S ADS-534 B k Wye, 3-phase 5 P ADS-5 B8-.47k Wye, 3-phase 80 P 3 9 ADS-533 B8-.47k Wye, 3-phase 05 C ADS-5 B k Wye, 3-phase 05 C ADS-5 B k Wye, 3-phase 05 C ADS-53 B895- Single phase power can be taken from three phase generator sets at up to the value listed in the single phase factor column for the generator set nameplate kw rating at unity power factor. Standby (S), Prime (P) and Continuous ratings (C). 3 Factor for the Single phase output from Three phase alternator formula listed below. 4 Maximum rated starting kva that results in a minimum of 90% of rated sustained voltage during starting. Formulas for calculating full load currents: Three phase output Single phase output kw x 000 kw x SinglePhaseFactor x 000 Voltage x.73 x 0.8 Voltage Warning: Back feed to a utility system can cause electrocution and/or property damage. Do not connect to any building s electrical system except through an approved device or after building main switch is open. For more information contact your local Cummins distributor or visit 07 Cummins Inc. All rights reserved. Cummins is a registered trademark of Cummins Inc. PowerCommand, AmpSentry, InPower and Our energy working for you. are trademarks of Cummins Inc. Other company, product, or service names may be trademarks or service marks of others. Specifications are subject to change without notice. D-3337 (09/7)