Break Actuator Series  In-phase electrical machinery  Break Actuator synchro-motor part   QDYE-BSS-1 two layers QDYZ QDYZ-2 QDYZ-3 QDYZ-5 QDYZ-BSD-3 QDYZ-BSD-1 QDYZ-BTD-12 QDYZ-BTD-12-1