circuit breaker without guide frame 4-pole, size II, IEC In=2000A to 690V, AC50/60Hz Icu=80kA at 500V rear connection horizontal Overcurrent release ETU 76 LSING protection adjustable 0.4-1 in with graphic display U cubicle bus with ground fault protection Opt.: Comm./measuring func./ZSI Motorized/manual operating mechanism with memory Drive motor AC 50/60 Hz 110-127 V AC or 110-125 V DC Activation 50/60 Hz 110 V AC, 110 V DC With 1st auxiliary release Shunt release "F", F1 50/60 Hz 110 V AC/110 V DC, 100% on-load factor without 2nd auxiliary release 4NO+4NC C22= Ready-to-close signaling F02= COM15 PROFIBUS module with breaker status sensor F05= Measuring function plus for U, I, P, W Harmonics and total harmonic distortion R21= Shutter 2-part can be locked with bracket lock