What are the main differences between melting alloy and bimetallic overloads ?

Product Line:

Overload Relays

Resolution:
The melting alloy are hand reset only with relatively tight trip current ranges and low cost. Bimetallic are selectable hand or auto reset, adjustable 85-115% trip current, available with a standard alarm contact, and available in an optional ambient compensated version.

Released for: Schneider Electric Canada