fixed-mounted circuit breaker 3-pole, size II, IEC In=2500A to 690V, AC50/60Hz Icu=66kA at 500V rear connection vertical 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 spring charging motor 24-30 V DC Activation 24 V DC With 1st auxiliary release Shunt release "F", F1 24 V DC; 100% ON period without 2nd auxiliary release 4NO+4NC F01= Breaker status sensor without COM15 PROFIBUS module F40= Sealing disc for ETU25-76 for protection against unauthorized operation K10= Remote reset magnet 24 V DC S05= Fortress locking device in Off position (safe OFF/disconnector functionality) Disconnector condition in compliance with IEC 60947-2 S30 = LOCKING DEVICE AGAINST OPENING OF CABINET S33= Castell/Fortress Tension lever T40= Door sealing frame