Carlo Gavazzi Monitoring Relay 3-Phase Voltage Sequence Control, S Housing, Plug-In, SPDT, Supply: 240VAC.
3-phase plug-in monitoring and phase sequence/phase loss relay. Frequently used to prevent a 3-phase motor from running on only 2 phases or to secure the right phase sequence when connecting a load to the mains.
General Characteristics
3-phase monitoring relay for phase sequence/phase loss
Measures when all 3 phases are present and have the correct phase sequence