... , bouncing amplitude, bounce ,over-travel,-Be able to test circuit breaker mechanical characteristics such as asynchronism, opening & closing speed, opening & closing ... database Order InformationItem Art. No.CBT-V 1 pieceIncluded Accessories: -Signal cable connecting to CB gaps, 5 cores, 1 piece-DC ... cable for CB O/C and DC motor, 1 set-Signal cable connecting to sensor,1 set, with two sensor. One ...