Features: <br>1. This monitoring relay can monitor own working voltage. <br>2. 8 kinds of rated voltages are adjustable, can apply to voltages in all regions of the world <br>3. The working status of the relay is indicated by the LED indicator <br>4. Ultra-small size and it is easy to install. <br>5. It is applied to mobile device connection control, causing accidents in equipment protection against reverse operation, normal/emergency power switch, preventing phase failure of power load. <br> <br>Specification: <br>Condition: 100% Brand New <br>Model: GRV8-03 <br>Monitoring Terminal: L1-L2-L3 <br>Power Supply: L1-L2 <br>Rated Working Voltage Selection: AC220-230-240-380-400-415-440-460(P-P) <br>Measuring Frequency Range: 50/60Hz <br>Measuring Range: 176V-552V <br>Voltage Threshold Range: 2%-20% (Rated Voltage) <br>Unbalance Threshold Range: 5%-15% <br>Voltage Fixed Lag Rate: 2% <br>Power Indicator: Green LED <br>Action Delay Time: 0.1s-10s Adjustable <br>Voltage Measurement Error: ≤1% <br>Power-On Delay Time: 0.5s <br>Knob Setting Accuracy: 1% <br>Reset Time: 1s <br>Temperature Fluctuation Error: 0.05%C, at=20C <br>Output: 1 x SPDT 10A/AC250VAC <br>Minimum Switching Power: 500mW <br>Output Relay Indication: Red LED <br>Mechanical Life: 10000000 <br>Electrical Life (Resistive Load): 1000000 <br>Storage and Transportation Environment Temperature: -35℃-75℃ <br>Installation Method: 35mm Rail Installation <br>Protection Level: IP20 <br>Installation Altitude: 2000 Meters <br>Pollution Degree: 2 <br>Wiring Capacity: 1x2.5mm2 or 2x 1.5mm2 <br>Optional Style: M460, M265 <br>Weight: Approx. 76g / 2.7oz <br>Size: Approx. 90 * 18 * 64mm / 3.5 * 0.7 * 2.5in <br> <br>Package List: <br>1 * Monitoring Relay<br>1、This monitoring relay can monitor own working voltage. <br>2、8 kinds of rated voltages are adjustable, can apply to voltages in all regions of the world <br>3、The working status of the relay is indicated by the LED indicator <br>4、Ultra-small size and it is easy to install. <br>5、It is applied to mobile device connection control, causing accidents in equipment protection against reverse operation, normal/emergency power switch, preventing phase failure of power load. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.