Question.2
A 230VAC SMPS has the following input protection:Fuse (T2A 250V) → MOV (V20E275P) → NTC → Rectifier CircuitAfter a severe lightning event, Tony finds:● Fuse is blown● MOV reads short circuitWhat is the correct failure sequence?
Select Answer
Fuse blew first, protecting the MOV
MOV failed short first, then fuse blew
Both failed at the same instant