1Compact size and guide rail type installation. 2Three-phase monitoring of phase sequence, phase loss, over- and undervoltage and phase unbalance. 3Powered by the measuring circuit, not required additional auxiliary power. 4With one group normally open/close contacts. 5With 5 indicator light to indicate all kinds of working status.Features:Compact size and guide rail type installation.Three-phase monitoring of phase sequence, phase loss, over- and undervoltage and phase unbalance.Powered by the measuring circuit, not required additional auxiliary power.With one group normally open/close contacts.With 5 indicator light to indicate all kinds of working status.Applicable to pumps, fans, blowers, motors elevator, crane, central air-conditioning, etc. Specification: Condition: 100% Brand New Material: Plastic, MetalColor: As Picture Shown Model: JVR-380Rated voltage: 380VContact capacity: 250V/AC 3ARated current: 5A Insulation voltage test: 1Vac/m Product certification: 3C, CE Package Weight: Approx. 101g/3.6oz Package List: 1 * Phase Sequence Protection Relay .wang-edit-text{ font-family:'Arial'important; } .wang-edit-text table { border-top: 1px solid000; border-left: 1px solid000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid000; border-right: 1px solid000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }