50 pcs - RUEF400 Littelfuse 4A Resettable Fuse, 30V dc

PolySwitch™ RUEF & RGEF SeriesPCB Wire EndedAll are UL, CSA, TUV approvedProtection of electrical and electronic circuits against excessive currentsRapid switch from low resistance state to very high resistance with electrical overload or short circuitQuick and automatic reset and return to low resistance state when fault condition corrected and power removedFeatures:Automatically resets itself thousands of timesMaintenance freeSmall size and no fuseholder requiredMain applications:Security systemsPower supplies and transformersPower switching devicesAutomotive and medical equipmentInstrumentation and controlComputers and peripheralsAudio visual and telecommunications