In addition to opening when a fault is detected, dynamic protective devices also reclose to attempt to re-establish service. If the fault remains after a prescribed number of reclosings, the device may lock open the circuit. Reclosing is designed to reduce or eliminate the effects of temporary faults.
NOTE It may include following subtypes: Circuit Breakers,
Fault Interrupter, Reclosers (Single Phase Hydraulic, etc.), and Sectionalizer