withdraw. non-aut. circuit-b. with guide frame 4-pole, size I, IEC In=800A to 690V, AC50/60Hz Icu=55kA at 500V rear connection vertical without overcurrent release With manual operating mechanism with storage with mechanical request With 1st auxiliary release Shunt release "F", F1 30 V DC, 100% ON period without 2nd auxiliary release 2NO+2NC R21= Shutter 2-part can be locked with bracket lock T40= Door sealing frame