Item Type: 3-Phase Display Voltage Relay_x000D_ Technical Parameters: GRV8-SN_x000D_ Function: Monitor 3-phase voltage_x000D_ Monitoring Terminal: L1-L2-L3-N_x000D_ Voltage Range(Un): 127-132-138-220-230-240-254-265 (P-N)_x000D_ Rated Power Frequency: 45Hz-65Hz_x000D_ Measuring Range: 70V-400V_x000D_ Measurement Error: 1%_x000D_ Hysteresis: 2%_x000D_ Phase Failure Value: 50% of Un_x000D_ Time Deviation: 5%_x000D_ Temperature Coefficient: 0.05%/, = 20(0.05%, = 68)_x000D_ Output: 2xSPDT_x000D_ Rated Current: 8A / AC1_x000D_ Switching Voltage: 250V AC / 24V DC_x000D_ Minimum DC Breaking Capacity: 500mW_x000D_ Mechanical Life: 1x10 ^ 7_x000D_ Electrical Life (AC1): 1x10 ^ 5_x000D_ Working Temperature: -20 to +55 (-4 to 131)_x000D_ Storage Temperature: -35 to +75 (-220 to 158)_x000D_ Installation/DIN Rail: DIN rail EN/IEC 60715_x000D_ Protection Level: Front panel IP40 / IP20 terminal_x000D_ Working Position: Any_x000D_ Overvoltage Treatment: lll_x000D_ Pollution Degree: 2_x000D_ Maximum Cable Size (mm2): Solid wire maximum 1x2.5 or 2x1.5 / with sleeve maximum 1x2.5 (AWG 12)_x000D_ Tightening Torsion: 0.4Nm