It powers the first stage of the Ariane 5 launcher, the EPC (Étage Principal Cryotechnique, main cryogenic stage) and provide 8% of the total lift-off thrust (the rest being provided by the two solid rocket boosters). The engine operating time is 600 s in both configurations.
The Ariane 5 rocket's first stage, powered by this engine, provides 8% of the total lift-off thrust, with the remaining thrust coming from the two solid rocket boosters. This engine operates for 600 seconds in both configurations.