-Two-way signal transmission relay

-Mainly installed in substations, it transmits and receives data through optical communication with adjacent substations and transmits fault information to perform a contact blocking function.

-Supports up to 40㎞ use distance

-Network test is possible without affecting the output through transmission and reception with adjacent contact relays during operation

-In case of communication failure, selectable A mode to set the entire alarm output and OUT and B mode to reset the entire OUT

ㆍIf a communication failure occurs when using Set in a normal state or Reset in a normal state, interrupt contact or Can be used to choose not to perform