| Muhimmiya | Switchgear parts |
| Model NO. | GRV8-4UVR Tres Fases Under Voltage Relay |
| Rated Frequency | 45Hz-65Hz |
| Siri | GRV8 |
GRV8-4UVR wanci na relay mai faduwa a cikin fasahar goma sha'awa. Fadinsa ta 36mm yana da shi a matsayin kyau don in yi amfani da ita a cikin panelon kontrol da suka fi kadan, kuma tushen da za a iya zama suna da muhimmanci don in kunshi hanyoyin da aka bukata. Idan kuna maye kan kamfanoni, tashar HVAC, ko tashar tsariyar nafsi, GRV8-4UVR ke yin da ka da shiga da ingantaccen da kuma inganci.
Supply Voltage:AC 220V / 380V / 400V
Measuring Frequency Range:45Hz – 65Hz
Voltage Measurement Accuracy:<1%
Under Voltage Setting Range:Adjustable (e.g., 170V – 210V per phase)*
Trip Delay Time:Adjustable (e.g., 0.1s – 10s)*
3-Phase Voltage Monitoring: Duk da cewa relay mai fasaha ta biyu ba, GRV8-4UVR yana nemo fasahohin uku daga baya, wanda yake da alhakin daidaito a cikin systemai da ya kamata fasahohin uku su zuwa.
Adjustable Under Voltage Thresholds: Zama da shiga da rike masu faduwa a cikin fasahohin uku don in tabbatar da ake bukata saboda abubuwan da ake amfani da su.
Phase Imbalance and Sequence Protection: Yana nemo da yake da amsa a cikin fasahohin uku da kuma yadda ake sarrafa su, wanda yake da alhakin daidaito a cikin kawo karfi da kuma kawo karfin mafi yawan kisan.
True RMS Measurement: Yana nemo tasirin fasahohin uku daidai, haka har zuwa a wurare da ake amfani da harmonics ko loads mai yawan kisa.
LED Indicators: Yana bayar da bayanan bayanai game da yanayin da ya faru don in kula da tattaunawa da kuma kula da tattalin arziki.
Compact Design: Fadinsa ta 36mm da kuma DIN rail mounting yana da shi a matsayin kyau don in yi amfani da ita a cikin panelon kontrol da suka fi kadan
| Model | GRV8-4UVR Three Phase Under Voltage Relay |
| Operating temperature | -20℃ to +55℃(-4℉ to 131℉) |
| Storage temperature | -35℃ to +75℃(-22℉ to 158℉) |
| Trip delay time(Tu) | 0.1s |
| Tightening torque | 0.8Nm |
| Electrical life(AC1) | 1*105 |
| Mechanical life | 1*107 |
| Konb setting accuracy | 10% of scale value |
| Current rating | 10A/AC1 |
| Output | 1×SPDT |
| Rated supply voltage(Un) | 220V/230V/240V |
| Switching voltage | 250VAC/24VDC |
| Rated supply frequency | 45Hz-65Hz |
| Hysteresis | 5V |
| Weight | 63g,65g |
| Dimensions | 90×18×64mm |
| Power on delay time(Td) | Adjustable: 5min-15min |
| Recovery delay time(Tr) | Adjustable: 5min-15min |
| Mounting/DIN rail | Din rail EN/IEC 60715 |
| Standards | EN 60255-1,IEC60947-5-1 |
| Overvoltage category | III |
| Protection degree | IP40 for front panel/IP20 terminals |
| Monitoring terminials | L1-L2-L3-N |
| Supply terminals | L1-N |
| Under voltage threshold | R:fixed 75% of Un |
| Function | Under voltage |
| Operating position | any |
| Supply indication | green LED |
| Output indication | red LED |
| Measurement error | ≤1% |
| Pollution degree | 2 |
| Max.cable size(mm²) | solid wire max.1*2.5 or 2*1.5/with sleeve max.1*2.5(AWG 12) |