Function Features -Controls its own supply voltage(True RMS measurement). -LCD display. – Measuring frequency range:45Hz-65Hz. – Voltage measurement accuracy<1%. – 2-MODULE,DIN rail mounting.
| Technical parameters | GRV8-SN | GRV8-SP |
| Function | Monitoring 3-phase voltage | |
| Monitoring terminals | L1-L2-L3-N | L1-L2-L3 |
| Voltage range(Un) | 127-132-138-220-230 -240-254-265(P-N) | 220-230-240-380-400 -415-440-460(P-P) |
| Rated supply frequency | 45Hz-65Hz | |
| Supply voltage limits | 70V-400V | 130V-650V |
| Measurement error | ≤1% | |
| hysteresis | 2% | |
| Phase failure | 50% of Un selected | |
| Time deviation | ≤5% | |
| Temperature coefficient | 0.05%/℃,at=20℃(0.05%℉，at=68℉) | |
| Output | 2×SPDT | |
| Current rating | 8A/AC1 | |
| Switching voltage | 250VAC/24VDC | |
| Min.breaking capacity DC | 500mW | |
| Mechanical life | 1×107 | |
| Electrical life(AC1) | 1×105 | |
| Operating temperature | -20℃ to +55℃（-4℉ to 131℉） | |
| Storage temperature | -35℃ to +75℃（-22℉ to 158℉） | |
| Mounting/DIN rail | Din rail EN/IEC 60715 | |
| Protection degree | IP40 for front panel/IP20 terminals | |
| Operating position | any | |
| Overvoltage category | III. | |
| Pollution degree | 2 | |
| Max.cable size(mm 2) | solid wire max.1×2.5or 2×1.5/with sleeve max.1×2.5(AWG 12) | |
| Tightening torque | 0.4Nm | |
| Dimensions | 90×36×64mm | |
| Weight | 100g | 109g |
