The voltage measurement and control relays RM17UB310 monitor phase loss, asymmetry, overvoltage and undervoltage with indipendent adjustments. They feature a sealable cover to help protect the settings and a control status indicator LED. Most common applications are control for connection of moving equipment (site equipment, agricultural equipment, refrigerated trucks); control against reverse motor operation (lifting, handling, elevators, escalators, etc.); control of sensitive 3-phase supplies; emergency power supply switching in abnormal condition.
