Ynyn0-d- Direct

The true underlying message is almost certainly the uppercase version YNYN0-D- , which serves as either:

, which is designed for 33kV to 420V step-down operations with a liquid-filled, NEMA 3R weatherproof enclosure. LarsonElectronics.com or further details on how the tertiary delta winding affects fault currents? ynyn0-d-