Fixed-mounted molded case circuit breaker w. Handle frame 1600; 4AUX and trip alarm switch S24; Icu "C" Icu=110kA @ 415V, 4-pole, left ETU350, LSI, In=1600A rotary coding switch Ir=640...1600A Isd=1...10xIn, Ii=1.5...15xIn N conductor protec. Adjustable OFF, 50%, 100%, 200% nut keeper kit No communication connection, no measurement function Without additional alarm switch assembly With mechanical calling without 2nd auxiliary release without 1st auxiliary release