Power classes
OPM 250 en-GB 5
© Scania CV AB 2022, Sweden
Power classes
Scania supplies engines in five different power classes:
ICFN, Continuous service: Intended for continuous use and an unlimited number of operational hours per
year at a total load factor of 100%.
IFN, Intermittent service: Intended for periodic use, where the rated power is available for 1 hour per 3-
hour period. The total load factor must not exceed 80% of the rated power. Unlimited number of operational
hours per year.
Patrol craft long: Intended for periodic use, where the rated power is available for one hour per six-hour
period. In between periods of operation at full load, the engine speed must be reduced by at least 10% of the
maximum engine speed attained. The total operating time must not exceed 2,000 hours per year.
Patrol craft short: Intended for periodic use, where the rated power is available for one hour per 12-hour
period. In between periods of operation at full load, the engine speed must be reduced by at least 10% of the
maximum engine speed attained. The total operating time must not exceed 1,200 hours per year.
PRP, Prime Power: Intended for continuous use and an unlimited number of operational hours with vary-
ing loads. For continuous operation and unlimited annual operating time with varying loads. Max. average
load factor of 70% of rated power during 24 hours of operation. 1 hour/12 hour period over 100% load. Max.
25 hours accumulated service time over 100% load per year. This power class applies to single-speed en-
gines.
The engine serial numbers and power classes for the engines that are used in this installation should be listed
below: You can find the power class of your engine in the engine type data sheet on the Scania website,
www.scania.com.
Engine serial num-
ber:
Engine type:
Engine power: kW at rpm
ICFN, Continuous service
IFN, Intermittent service
Patrol craft long
Patrol craft short
PRP, Prime power
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