Features: _x000D_ 1. This monitoring relay can monitor own working voltage. _x000D_ 2. 8 kinds of rated voltages are adjustable, can apply to voltages in all regions of the world _x000D_ 3. The working status of the relay is indicated by the LED indicator _x000D_ 4. Ultra-small size and it is easy to install. _x000D_ 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. _x000D_ _x000D_ Specification: _x000D_ Condition: 100% Brand New _x000D_ Model: GRV8-03 _x000D_ Monitoring Terminal: L1-L2-L3 _x000D_ Power Supply: L1-L2 _x000D_ Rated Working Voltage Selection: AC220-230-240-380-400-415-440-460(P-P) _x000D_ Measuring Frequency Range: 50/60Hz _x000D_ Measuring Range: 176V-552V _x000D_ Voltage Threshold Range: 2%-20% (Rated Voltage) _x000D_ Unbalance Threshold Range: 5%-15% _x000D_ Voltage Fixed Lag Rate: 2% _x000D_ Power Indicator: Green LED _x000D_ Action Delay Time: 0.1s-10s Adjustable _x000D_ Voltage Measurement Error: 1% _x000D_ Power-On Delay Time: 0.5s _x000D_ Knob Setting Accuracy: 1% _x000D_ Reset Time: 1s _x000D_ Temperature Fluctuation Error: 0.05%C, at=20C _x000D_ Output: 1 x SPDT 10A/AC250VAC _x000D_ Minimum Switching Power: 500mW _x000D_ Output Relay Indication: Red LED _x000D_ Mechanical Life: 10000000 _x000D_ Electrical Life (Resistive Load): 1000000 _x000D_ Storage and Transportation Environment Temperature: -35-75 _x000D_ Installation Method: 35mm Rail Installation _x000D_ Protection Level: IP20 _x000D_ Installation Altitude: 2000 Meters _x000D_ Pollution Degree: 2 _x000D_ Wiring Capacity: 1x2.5mm2 or 2x 1.5mm2 _x000D_ Optional Style: M460, M265 _x000D_ Weight: Approx. 76g / 2.7oz _x000D_ Size: Approx. 90 * 18 * 64mm / 3.5 * 0.7 * 2.5in _x000D_ _x000D_ Package List: _x000D_ 1 * Monitoring Relay