Product Manual A

2. Introduction7-2018
17A051X873 (Issue 10) Copyright © 2018 Cummins Inc.
NOTICE
Maximum I
2
= 8%. Generator set load unbalance must not exceed 25%
between any phases.
TABLE 9. GENERATOR SET DERATING GUIDELINES
Model Phase
Engine Power Available Up To... Derate At…
Elevation
Ambient
Temperature
Elevation Temperature
C45 N6 Both 675 m (2200 ft) 40 °C (104 °F)
4%
per 300 m (985 ft)
2%
per 10 °C (18
°F)
C50 N6 Both 150 m (490 ft) 25 °C (77 °F)
C60 N6 Both 1000 m (3280 ft)
40 °C (104 ° F)
C70 N6
1 2575 m (8450 ft)
3 3048 m (10000 ft)
C80 N6
1 1825 m (5985 ft)
3 2500 m (8200 ft)
C100 N6
1 700 m (1560 ft) 25 °C (77 °F)
3 1000 m (3280 ft) 40 °C (104 ° F)
TABLE 10. CONTROL SPECIFICATIONS (ALL MODELS)
Control Purpose
PC 1.1 or PC 2.3 Generator Set
Enovations I28 EPR Engine (45, 50, 60 kW Generator Sets)
Enovations 4G LDI Engine (70, 80, 100 kW Generator Sets)
TABLE 11. DC SYSTEM SPECIFICATIONS (ALL MODELS)
Type Specification
Nominal Battery Voltage 12 VDC
Battery Group
34 standard, 4D high capacity (requires large battery
tray)
Battery Type Maintenance-free
Minimum Cold Crank Amps
850 standard, 1080 high capacity (requires large
battery tray)