Specification Brand : QANYEGN BulletPoint : Relays BulletPoint1 : AVR VOLTAGE REGULATOR: The GRV8 04 3 Phase Voltage Monitoring Relay Phase Sequence Phase Failure Protector M460 serves as a reliable and efficient AVR Voltage Regulator, ensuring the stable voltage supply for your electrical equipment. BulletPoint2 : TRUE RMS MEASUREMENT: This advanced relay is equipped with true RMS measurement technology, allowing it to accurately monitor its own working voltage. With a measurement accuracy of not more than 1%, you can trust that your voltage levels are always precisely regulated. BulletPoint3 : ADJUSTABLE RATED VOLTAGE: Featuring 8 adjustable rated voltage options, this relay provides flexibility in adapting to different power requirements. You can easily customize the settings to meet the specific voltage needs of your devices, ensuring optimal performance and conservation BulletPoint4 : LED INDICATORS FOR WORKING STATUS: Stay informed about the relay's working status at a glance, thanks to the LED indicators integrated into the design. These indicators provide clear visual feedback, enabling you to quickly identify any potential issues or malfunctions BulletPoint5 : COMPACT AND EASY INSTALLATION: Designed with a super small volume, the GRV8 04 relay can be effortlessly mounted on a standard 35mm DIN rail. Its compact size and user-friendly installation process ensure convenience and compatibility with various electrical systems Color : One Color ExternallyAssignedProductIdentifier : 7320469476257 IncludedComponents : No ItemName : GRV8-04 3 Phase Voltage Monitoring Relay, Delay Relay, Generator Regulator Phase Sequence Phase Fault Protected M460 ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : phase-monitoring-relays Manufacturer : QANYEGN ModelName : QANYEGNrq0u2g3och ModelNumber : QANYEGNrq0u2g3och NumberOfItems : 1 PartNumber : QANYEGNrq0u2g3och ProductDescription : Specification: Monitoring terminal: L1-L2-L3 Power: L1-L2 Rated power frequency: 45Hz-65Hz Measuring range: 176V-552V Power-on delay time: 0.5s Knob setting accuracy: 10% Reset time: 1s Temperature fluctuation error: 0.05%/°C, at=20°C Output: 1 x SPDT; 10A/ AC1; 250VAC/24VDC Minimum switching power: 500mW Overvoltage: 2%-20% Undervoltage: -20%-2% Action delay time: 0.1-10s adjustable Phase sequence protected: Yes Phase failure protected: Yes Power indicator: Green LED Output relay indication: Red LED Mechanical life: 1x107 Mounting method: 35mm DIN rail mounting Mount altitude: 2000m Weight: Approx. 78g/2.7oz