withdraw. non-aut. circuit-b. with guide frame 4-pole, size I, IEC In=1600A to 690V, AC50/60Hz Icu=66kA at 500V w. connection flange without overcurrent release With manual operating mechanism with storage with electrical + mechanical request 50/60 Hz 110 V AC, 110 V DC without 1st auxiliary release without 2nd auxiliary release 2NO+2NC R55= Mutual mechanical interlock for switch with frame 2 m