Carlo Gavazzi Mains monitoring relay 480V 1CO

3-phase. Phase-sequence monitoring (direction of rotation) and phase failure. Detection of zero conductor interruption with unsymmetrical load. Monitors under and over-voltage phase/phase or phase zero conductor. Programmed switch-on delay. Measurement via own operating voltage. LED-display for operating voltage and alarm (relay). Output programmable to activated. Settable switch point for under and overvoltage. For mounting on DIN rail.