Used on cb acb4000hr 6393c81g21; circuit breaker acb4000hr 6593c81g22; circuit breaker 6593c81g25. overcurrent trip; electronic trip unit item is: ssoc (solid state overcurrent protection unit w/communications port; designated for the LPD17 class
spdes p/n 700001K03 is a basic overcurrent trip device for solenoid-type acb circuit breakers. the device trips the circuit breaker on overcurrent conditions.
Used on tactical water purification system (twps) nsn 4610-01-488-9656. signal contact; signals the tripping caused by overload earth fault or short circuit current; red handle which allows resetting of the trip signal without the mcb being switched on; test button for checking the control circuit without interruping the main circuit