um...lifting,
I think you're getting a little confused. The 365N2 is equipped with 2 Arriel 1C2s, but the 365N3 is equipped with 2 Arriel 2Cs. I think the only Eurocopter Dauphin family member (sort of anyway) with the Arriel 2C2 is the latest EC155B1. This like the similar Arriel 2S2 engines in the S76C++ also permits up to 15 seconds of operation in the 30 second power range without the need to visit a factory engine shop.