WITHDRAWABLE CIRCUIT BREAKER WITHOUT GUIDE FRAME 3-POLE, SIZE I, IEC IN=800A TO 690V, AC50/60HZ ICU=55KA AT 500V REAR CONNECTION HORIZONTAL ELECTRONIC TRIP UNIT ETU 45 LSIN PROT. ADJUST.B. 0.4-1 IN WITH CUBICLE BUS COMMUN./MEASURING FUNCT../ W. MAN. OPER. MECHAN. & STORAGE WITH MECHANICAL REQUEST WITHOUT 1ST SHUNT TRIP WITHOUT 2ND SHUNT TRIP 4NO+4NC