| Muhimmiya | MV Switchgear Accessories |
| Model NO. | GRV8-SV Voltage Sensing Relay |
| Rated Frequency | 45Hz-65Hz |
| Siri | GRV8 |
Relay GRV8-SV na gbanara wata da ke cikin ita. Yana aiki idan wata yake da ya kai ko da ya kadan. Wannan tana da muhimmanci wajen mamaye abubuwan da ka ake amfani da su daga hada da yanayin waɗanda suke dogara. Ana bayar wannan don al'adu, ilimi, da hanyar zuwa. Yana da aiki mai kyau a kan DIN rail mounting. Ba ta yi lalace ba. LCD mai sarrafa tana baka bayanai game da wata. Tana gano wata da shirin amsa da True RMS. Zan iya amfani da shi ne da zama da amincewa da inganci.
Muhimman Abubuwa:
Biyan Wata Dubu: Tana da muhimmiyar hanyar da take da aiki a matsayin protection against over-voltage and under-voltage, ta da aiki a matsayin sabbin limiton da za a iya amfani da su.
True RMS Measurement: Tana bayyana bayanai masu amincewa da ±1% precision for dependable monitoring.
Normal/Emergency Power Switching: Tana taka wata daidai a matsayin power supplies, ta da aiki a matsayin sabbin operation.
Real-Time LCD Display: Tana bayyana bayanai masu amincewa da instant visibility of voltage levels and system status.
Compact Design: 2-module width with DIN rail mounting for easy integration into control panels.
GRV8-SV voltage sensing relay, with its dual voltage protection, True RMS high-precision measurement, real-time LCD display, compact design, wide applicability, high durability, certified quality, and user-friendly features, is the ideal choice for protecting equipment from voltage fluctuations and ensuring stable system operation.
| Model | GRV8-SV |
| Function | Over voltage, under voltage |
| Rated supply voltage | AC/DC110V…240V |
| Rated supply frequency | 45~65Hz,0Hz |
| Operation voltage range | 50V~350V |
| Burden | AC max.3VA |
| Over voltage operation value | 65V~300V,OFF |
| Under voltage operation value | OFF,65V~300V |
| Over/under voltage action delay | 0.1s~20s |
| Power-up delay | 0.5s~300s |
| Reset time | 0.5s~300s |
| Measurement error | ≤1% |
| Output | 2×SPDT |
| Current rating | 8A/AC1 |
| Switching voltage | 250VAC/24VDC |
| Electrical life(AC1) | 1×107 |
| Mechanical life | 1×105 |
| Operating temperature | -20℃ ~ +60℃ |
| Storage temperature | -35℃ ~ +75℃ |
| Mounting/DIN rail | Din rail EN/IEC 60715 |
| Protection degree | IP40 for front panel/IP20 terminals |
| Operating position | any |
| Overvoltage cathegory | III |
| Pollution degree | 2 |
| Max.cable size(mm²） | solid wire max.1×2.5or 2×1.5/with sleeve max.1×2.5(AWG 12) |
| Tightening torque | 0.4Nm |
| Dimensions | 82*36* 68mm |
| Weight | 100g |
| Standards | EN 60255-1,IEC60947-5-1 |
| Parameter | Range | Step value | Factory settings |
| Over voltage value | 65V~300V,OFF | 1V | 253V |
| Over voltage recovery value | 60V~295V | 1V | 248V |
| Under voltage value | OFF,65V~300V | 1V | 187V |
| Under voltage recovery value | 70V~305V | 1V | 192V |
| Voltage fault action time | 0.1s~20s | 0.1s | 2s |
| Power on delay time | 0.5s~300s | 0.1s/1s | 0.5s |
| Reset time | 0.5s~300s | 0.1s/1s | 1s |
| Fault reset | ON-OFF | / | ON |
