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GRV8-04 3-Phase Voltage Monitoring Relay Voltage Control Relay
GRV8-04 3-Phase Voltage Monitoring Relay Voltage Control Relay: Industrial & Scientific. GRV8-04 3-Phase Voltage Monitoring Relay Voltage Control Relay: Industrial & Scientific. ♥ INSTALLATION: With super small volume, this relay can be mounted on 35mm DIN rail. . ♥ ADVANTAGE: This relay can monitor own working voltage (true RMS measurement). It has 8 kinds of adjustable rated voltage. . ♥ VOLTAGE: Voltage measurement accuracy is not more than 1%. Relay working status is indicated by LED indicators. . ♥ APPLICATION: Equipment protection and control(tower crane, elevator, agriculture equipment, refrigerated trucks); Protect equipment from reverse running; Normal/emergency power supply switch; Protect against phase failure of a dynamic load. . ♥ SATISFACTION GUARANTEE: We care for every customer’s feeling.If this product does not meet or exceed your expectations,please send it back for a 100% refund no questions asked. . Specification:. Function: Monitor L-L voltage (3-phase 3-wire system). Monitoring terminal: L1-L2-L3. Power: L1-L2. Rated working voltage: 220-230-240-380-400-415-440-460(P-P) . Rated power frequency: 45Hz-65Hz. Measuring range: 176V-552V . Voltage threshold range: 2%-20% (rated voltage). Voltage fixed lag rate: 2%. Voltage measurement error: ≤1%. 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 protection: Yes. Phase failure protection: 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. . Package list:. 1 * Voltage Monitoring Relay. . . .