fixed-mounted molded case circuit breaker frame 1600; with RTC and 4AUX trip alarm switch S24; Icu "M" Icu=55kA @ 415V, 4-pole, left ETU660, LSIG, In=800A display, meas., comm. function Ir=320...800A Isd=0.6...10xIn, Ii=1.5...15xIn N conductor protec. adjustable OFF, 50%, 100%, 150%, 200% gr.-fault prot., can be sw. off Ig=0.1...1 x In, tg=0.1 - 1.0s straight bus connector extended With optional communication connection including integrated breaker connect 24 V DC module, actuator COM ACT, COM RTC and COM PSS(as draw-out version) No measurement function Motorized operating mechanism 220...250 V AC/DC incl. S21 spring energy store signaling switch With electr. and mech. calling Switch-on solenoid (CC) 220-240 V AC/DC without 2nd auxiliary release without 1st auxiliary release