fixed-mounted molded case circuit breaker frame 1600; with RTC and 4AUX trip alarm switch S24; Icu "M" Icu=55kA @ 415V, 4-pole, left ETU360, LSIG, In=1600A rotary coding switch Ir=640...1600A Isd=1...10xIn, Ii=1.5...15xIn N conductor protec. adjustable OFF, 50%, 100%, 200% gr.-fault prot., can be sw. off Ig=0.1...1 x In, tg=0.1...0.8s rear horizontal connection No communication connection, no measurement function Manual operating mechanism of the spring energy store With mechanical calling without 2nd auxiliary release without 1st auxiliary release B12= Rated current ID module 1250 A for ETU 3 series and 6 series for setting (< In,max) of the rated current In