Product Manual A

2. Introduction7-2018
19A045R241 (Issue 13) Copyright © 2018 Cummins Inc.
TABLE 11. GENERATOR SET DERATING GUIDELINES
Engine Power Available Up To... Derate At…
Model Fuel Elevation
Ambient
Temperature
Elevation Temperature
C20 N6 NG, LP 1005 m (3300 ft) 40 °C (104 °F)
4% per
305 m
(1000 ft)
2% per 10 °C
(18 °F)
above 40 °C
(104 °F)
C22 N6 NG 670.5 m (2200 ft) 40 °C (104 ° F)
C22 N6 LP 1005 m (3300 ft) 40 °C (104 °F)
C25 N6 NG 0 m (0 ft) 25 °C (77 °F)
C25 N6 LP 114 m (375 ft) 25 °C (77 °F)
2% per 10 °C
(18 °F)
above 25 °C
(77 °F)
C30 N6 NG 762 m (2500 ft) 40 °C (104 °F)
2% per 10 °C
(18 °F)
above 40 °C
(104 °F)
C30 N6 LP 1005 m (3300 ft) 40 °C (104 °F)
C36 N6 NG, LP 1005 m (3300 ft) 40 °C (104 °F)
C40 N6 NG, LP 114 m (375 ft) 40 °C (104 °F)
C30 N6H NG, LP 945 m (3100 ft) 40 °C (104 °F)
C36 N6H NG, LP 1005 m (3300 ft) 40 °C (104 °F)
C40 N6H NG, LP 1005 m (3300 ft) 40 °C (104 °F)
C45 N6H LP 1005 m (3300 ft) 40 °C (104 °F)
C45 N6H NG, LP 914 m (3000 ft) 40 °C (104 °F)
C50 N6H NG, LP 114 m (375 ft) 25 °C (77 °F)
2% per 10 °C
(18 °F)
above 25 °C
(77 °F)
C60 N6H NG, LP 114 m (375 ft) 40 °C (104 ° F)
2% per 10 °C
(18 °F)
above 40 °C
(104 °F)
TABLE 12. CONTROL SPECIFICATION (ALL MODELS)
Specification
Integrated microprocessor based engine, generator, transfer switch control