... are FCRG1-L-XX/XXX, L stands for adding bushing type current transformers. If you dont need to add ... ,sheath,terminal,sealed systemand connection.Dry type high voltage wall bushing features1. Non-porcelain, non-gas, unfilled oil2. Fire proof, ... : 40.5~252 kVRated frequency: 50HzRated current: 100~5000ADiscerption bushing type current transformerRated current ratio: 1A ,2A,5ASecondary winding accuracy ...