Fixed-mounted non-automatic air circuit switches 3-pole, Size 2, IEC In=2500 A to 690 V, 50/60 Hz AC Icu=66 kA at 500 V Rear horizontal connection without overcurrent release 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 S07= Castell/Fortress in Off position with 4 padlocks (Safe Off/disconnector function) Disconnector condition in compliance with IEC 60947-2