VOLTAGE PROTECTION RELAY; IEEE C37-2 27/59-SUB / OVERVOLTAGE; ELECTRONIC; IEC 60255-127 SPECIFICATION
; THREE-PHASE; TIMED; VOLTAGE ADJUSTMENT RANGE 75 TO 125% VN; DIRECT CONNECTION; DIRECT VOLTAGE CONNECTION
; 50 / 60HZ; LED SIGNALING; 4RV AUXILIARY CONTACTS (NAF); SUPERIMPOSED BOX; AUTOMATIC RESET;