FIXED-MOUNTED CIRCUIT BREAKER 3-POLE, SIZE I, IEC IN=800A TO 690V, AC50/60HZ ICU=66KA AT 500V FRNT.CONN. TOP/BOT. SINGLE-HOLE ELECTRONIC TRIP UNIT ETU 25 LSI PROT. ADJUST.B. 0.4-1 IN W. MAN. OPER. MECHAN. & STORAGE WITH MECHANICAL REQUEST WITHOUT 1ST SHUNT TRIP WITH 2ND AUX. RELEASE "R", F3 UNDERVOLTAGE, NON-DEL. DC 24V 2NO+2NC