Designed in a small, easy-to-mount case, the ICM491 continuously monitors incoming line voltage for errors.

When line power is appropriate, the ICM491 closes a set of N.O. contacts and lights a green LED.

When incoming power is outside of user selected parameters, the N.C. contacts will close and a red LED will illuminate, indicating current fault conditions.

This unit also interrogates the line during fault conditions to reduce nuisance trips from transients or compressor start ups.

Features:

– Low cost single phase motor protection
– Built in anti-short cycle protection
– Detects high/low voltage conditions
– Helps prevent rapid short cycling
– Heavy duty SPDT, isolated relay output
– LED indicators:
-Green for normal conditions
-Red for fault