| Marca | Switchgear parts |
| Numerus Modeli | GRV8 21~26 Relais de Surveillance de Tension Triphasée |
| Frequenta nominata | 45Hz-65Hz |
| Series | GRV8 |
Mensuratio veri RMS voltage
Tensio nominata operativa ad octo gradus per manubrium regenda
Latus intervallum frequentiae: 45Hz – 65Hz
Summa exactitudo: <1%
Indicatores status LED
Design compactus et levis
Montatura in rail DIN
CE signatum et EN/IEC 60947-5-1 conformis
Ad exactitudinem constructus, GRV8-21-26 utitur mensuratione veri RMS ut exactas lectiones tensionis in intervallo frequentiae 45Hz ad 65Hz cum impressione exactitudinis minus quam 1% confirmet. Design compactus et levis (90 x 18 x 64mm, 68g-71g) facit facilem installationem in rail DIN. Cum tensione nominata regenda, indicatores status LED, et conformitate cum standardibus EN/IEC 60947-5-1, huius relay triphasicae monitorium tensionis securitatem et fiduciam afferat, idque aptum facit pro usibus sicut machinae mobiles, machinae agrariae, et camiones refrigerati.
Temperatura operationis: -20°C ad +55°C
Temperatura conservationis: -35°C ad +75°C
Gradus protectionis: IP40 (front panel), IP20 (terminales)
Dimensiones: 90 x 18 x 64mm
Pondus: 68g – 71g
Max. Magnitudo Cabi: 1×2.5mm² vel 2×1.5mm² (solid wire)
Momentum stringendi: 0.4Nm
| Codex functionis | Supra tensio | Sub tensio | Asymmetria | Tempus morae OFF | Ordo phase | Defectus phase |
| GYPV-21 | regulabilis | disponibilis | ||||
| GYPV-25 | 5%…20% | 0.1s…30s | disponibilis | disponibilis | ||
| GYPV-26 | 15% | -15% | 8% | 2s | disponibilis | disponibilis |
| GYPV-22 | 5%…25%,OFF | OFF,-25%…-5% | 0.1s…30s | disponibilis | disponibilis | |
| GYPV-23 | 5%…25%,OFF | OFF,-25%…-5% | 8% | 0.1s…30s | disponibilis | disponibilis |
| GYPV-24 | 5%…25%,OFF | OFF,-25%…-5% | 5%…20%,OFF | 2s | disponibilis | disponibilis |

| Model | 3P3W | 3P4W |
| Function | Monitorium 3-phase voltage | |
| Monitoring terminials | L1-L2-L3 | L1-L2-L3-N |
| Supply terminals | L1-L2 | |
| Voltage range | 380-400-415-440-480 (P-P) |
220-230-240-254-277 (P-N) |
| Rated supply frequency | 45Hz-65Hz | |
| Measuring range | 260V-600V | 150V-350V |
| Threshold adjustment voltage | 5%-25%of Un selecta vel OFF | |
| Asymmetry threshold | 5%-20% vel OFF | |
| Hysteresis | 2% | |
| Phase failure value | 70% of Un selecta | |
| OFF delay time | Regulabilis 0.1s-30s,10% | |
| Measurement error | ≤1% | |
| Delay at power up | 0.5s | |
| Knob setting accuracy | 10% of scale value | |
| Output indication | LED viridis | |
| Fault indication | LED ruber | |
| Reset time | 1s | |
| Output | 2×SPDT | |
| Current rating | 8A/AC1 | |
| Switching voltage | 250VAC/24VDC | |
| Min.breaking capacity DC | 500mW | |
| Temperature coefficient | 0.05%/℃,at=20℃(0.05%℉,at=68℉) | |
| Mechanical life | 1*107 | |
| Electrical life(AC1) | 1*105 | |