PRIME POWER (PRP):
Prime power is available for unlimited of annual operating hours in variable load application, in accordance with ISO8528-1. A 10% overload capability is variable for a period of 1 hour within 12-hour period of operation in accordance with ISO3046-1.

STANDBY POWER (ESP):
The Standby Power is available for supplying emergency power during of a utility power interruption. No overload, utility parallel or negotiated outage operation capability is available at this. In installation served by unreliable utility sources (where outages last longer or occur more frequently), where operation is likely to exceed 200 hours per year, the prime power rating should be applied. The standby power rating is only applicable for emergency and standby applications where the generator set serves as the back up to the normal utility source.

All ratings as based on the following reference conditions:

• Ambient temperature 270C , Altitude above sea level 150m
• Relative humidity 60%