Energized in normal conditions
The master relay trips on the loss of one or two phases and on total power loss.
Recommended for
Pumps, compressors, ventilation fans, and individual or grouped motors on a common feed.
Every Phase-Guard provides dependable three-phase monitoring in a rugged, field-upgradable package. Choose the relay behavior that fits your application.
Both models include the same protection and monitoring features. The difference is how the master relay behaves during normal operation and a total power loss.
The master relay trips on the loss of one or two phases and on total power loss.
Pumps, compressors, ventilation fans, and individual or grouped motors on a common feed.
The master relay does not trip during a total power loss, helping prevent nuisance trips during storms and outages.
Main breakers or bolted pressure switches that must be manually reset after an outage.
Settings and behavior can be further adjusted with available features and the Phase-Guard Admin Software.
Add and activate options when you order or later in the field using the Admin Software.
Explore available options →Connect with CloudCom for remote status monitoring and real-time alerts by text or email.
Discover CloudCom →