KnowraOvercurrent protectionLinked fromLinked fromThe 8 pages that link to Overcurrent protection, each with the reason it gives.All 8Broader topic 2Related 3Narrower topic 2Compared with 1Electrical safetyRelated: Fuses and breakers limit overheating and fire risk from overloads and short circuits.Ground-fault circuit interrupterCompared with: A GFCI can trip at currents too small to trigger ordinary overcurrent protection.Arc-fault circuit interrupterNarrower topic: AFCI protection complements rather than replaces protection against excessive current.Protective relayBroader topic: This common relay function detects fault currents above its configured pickup.ThermistorRelated: PTC thermistors can sharply increase resistance when excessive current heats them.Power system protectionBroader topic: It provides a simple, widely used response to excessive current and short circuits.Earth-leakage circuit breakerNarrower topic: Earth-leakage detection alone does not necessarily provide this separate protection.Numerical relayRelated: A numerical relay can apply pickup settings and timing curves to measured current.