Function descriptionFunction description
FK 3-12 spring operating mechanismsFK 3-12 spring operating mechanisms
48-020-212EN0248-020-212EN02
Operating states andOperating states and
Interlock functionsInterlock functions
Operating state 2: steadyOperating state 2: steady
Operating stateOperating state
Motor ClosingMotor Closing
Operating state 4: steadyOperating state 4: steady
Operating stateOperating state
Circuit breakerCircuit breaker
Closed / openClosed / open
Mechanical closing interlock : closing op-Mechanical closing interlock : closing op-
eration disablederation disabled
Mechanical closing interlock : closing op-Mechanical closing interlock : closing op-
eration enablederation enabled
The following functions will now be The following functions will now be
: charging the energy: charging the energy
store, closing, recharging and opening. The operating mechanism andstore, closing, recharging and opening. The operating mechanism and
the circuit breaker pass through the operating states in the orderthe circuit breaker pass through the operating states in the order