Install Manual

2. Introduction8-2019
15A062J678 (Issue 2) Copyright © 2019 Cummins Inc.
TABLE 7. GENERATOR SET DERATING GUIDELINES
Model
Engine Power Available Up To... Derate At…
Elevation Ambient Temperature Elevation Temperature
C13N6H 2100 m (6900 ft) 25 °C (77 °F)
3.5% per
300 m
(1000 ft)
1% per
5.5 °C (10 °F)
C17N6H 300 m (1000 ft) 25 °C (77 °F)
C20N6H,
C20N6HC
0 m (0 ft) 15 °C (60 °F)
NOTICE
Derating guidelines: This product's output power is limited by factors such
as BTU content of fuel, ambient temperature, altitude, humidity, engine
condition, etc. The derating guidelines are based on properly maintained
product, using the appropriate fuel. Derate values are based on expected
engine power changes from elevation and temperatures listed.
TABLE 8. ALTERNATOR SPECIFICATIONS
Type Specification
Design Rotating field
Poles 2
RPM 3600
Voltage 240
Hz 60
TABLE 9. CONTROL SPECIFICATIONS
Control
Integrated Microprocessor-Based Engine, Alternator, Transfer Switch Controller
TABLE 10. DC SYSTEM SPECIFICATIONS
Type Value
Nominal Battery Voltage 12 VDC
Battery Group 51 R
Battery Type Lead Acid
Minimum Cold Crank Amps (CCA) 450