Technical FAQs

Ask a Question

What are the main differences between the melting alloy and Motor Logic solid state overload relays?

What is a melting alloy overload and what is a motor logic solid state overload?

Product Line:
NEMA style Overload Relays

North American Products

The melting alloy type overload relays require the selection of thermal units, have relatively tight trip current ranges, are ambient sensitive and provide manual reset only. The Motor Logic solid state overload relays offer adjustable trip current ranges without the requirement of thermal unit selection, provide adjustable 3:1 trip current ranges, phase loss phase imbalance protection and Class II ground fault detection (Feature Base Only). The Motor Logic overloads also are ambient insensitive and are supplied with a sealable cover over the trip current adjustment dial.

Was this helpful?
What can we do to improve the information ?