Features 1、Standard modular construction and guide rail type installation. 2、Three-phase monitoring of phase sequence, phase loss. 3、Powered by the measuring circuit, not required additional auxiliary power. 4、Two groups normally open/close contacts. 5、With 2 indicator light to indicate all kinds of working status. Specification Features: Standard modular construction and guide rail type installation. Three-phase monitoring of phase sequence, phase loss. Powered by the measuring circuit, not required additional auxiliary power. Two groups normally open/close contacts. With 2 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, Metal Color: As Picture Shown Model: JVRD6 Interrupting capacity: 250VAC Contact capacity: 6A/250VAC Rated current: 6A Monitoring circuits: L1,L2,L3 Protective Functions: Phase sequence, Phase loss Installation: 35mm guide rail Overall Size: 7.9 * 2.3* 7.9cm/3.1 * 0.9 *3.1in Package Weight: Approx. 122g/4.3oz Package List: 1 * Phase Sequence Protection Relay Package List