 |
vs. MOVS |
| Does not degrade with use |
Sacrificial Components wear out with use |
| Does not contaminate ground |
Contaminates ground |
| Has superior let-through voltage |
Has inferior let-through voltage |
| Protects switched-mode power supplies used in computers |
Does not protect switched -mode power supplies |
| Meets highest grade of endurance testing |
Will not meet lowest grade of endurance testing |
| Filters transients within the power wave |
Does not provide filtering |
| Does not rely on ground to operate |
Relies on ground to provide protection |
| Does not shut off equipment in the event of a surge |
Post 1449-2: Will shut off equipment if MOV fails |