| Muhimmiya | Switchgear parts |
| Model NO. | Relay Ji Nako 3 Phase Voltage GRV8 -09/10 |
| Rated Frequency | 45Hz-65Hz |
| Rated Working Voltage | 220-460(P-P) |
| Siri | GRV8 |
GRV8-09/10 series na daya da cikin tashar hanyoyi na gurbin kasa da take amfani da shaida ta aiki da zama da kayan aiki don tabbatar da yanayin tsari na gurbin kasa. Wannan babban aiki ya haɗa da dukkan alamar yanayin tsari a duniya. Ta aiki ne da yanayin ladda na tsari a baya, yana da muhimmanci wajen inganta abin da za suka faruwa saboda yanayin tsari ba daidai, kuma yana tabbatar da aiki mai zurfi na gurbin kasa.
Muhimman faɗila na GRV8-09/10 three voltage monitoring relay products:
1. Yanayin tsari na duniya: 8 alamar yanayin tsari suna samun dukkan abubuwa, yana ƙarin sama da rike da aiki a wurare.
2. Tsohon daidaito: Shaida ta aiki na RMS mai sahihi yana tabbatar da aiki mai zurfi a kan abubuwan daidaito.
3. Aiki da ƙarin sama: Alama na LED da cutar da aiki yana ƙara bayanin aiki da kula da aiki.
4. Dukkumalama daidai: An sanya dukkumalama na overvoltage, undervoltage, phase failure, da reverse phase comprehensive protection functions.
Muhimman faɗila na GRV8-09/10 three voltage monitoring relays:
1. Zama ta aiki mai zurfi da true effective value measurement
Amfani da True RMS algorithm, yana da zama da yanayin harmonics, zama ta aiki ≤ 1%, da kuma ingantaccen bayanai a cikin gurbin kasashe masu ma'ana.
2. Yanayin tsari mai karɓar
Yana da 8 alamar yanayin tsari (100V~690V), yana daidai da alamar yanayin tsari na duniya, ba a yi aiki da adapter modules ba.
3. Aiki da ƙarin sama
An bayar da dual specifications na three-phase three wire (3L) da three-phase four wire (4L) don tabbatar da aiki a cikin abubuwan daidaito.
4. Alama na yanayin tsari
An fito da alama na multi-color LED indicator lights, an nuna yanayin aiki na relay a baya (normal/overvoltage/undervoltage/phase failure), yana taimakawa wajen gano abin da ke faruwa.
5. Cutar da aiki mai karɓar
Da girma na 36mm, yana daidai da 35mm standard card rail installation, yana ƙara kontrola space da kuma yana daidai da aiki a cikin wurare masu karɓar.
Aiki na GRV8-09/10 three voltage monitoring relay products:
1. Yanayin tsari na abubuwan da ke gudanarwa
An bayar da yanayin tsari na connection status monitoring and control protection for mobile equipment like construction vehicles, agricultural machinery, refrigerated transport vehicles, etc.
2. Protection against reverse operation accidents
An nuna yanayin tsari na phase sequence abnormalities to prevent mechanical damage or safety accidents caused by power reversal in motor equipment.
3. Dual power automatic switching system
An amfani da wannan aiki don automatic switching control between normal power supply and emergency power supply, ensuring the continuous operation of critical loads.
4. Phase failure protection for power equipment
An nuna yanayin tsari na three-phase voltage and quickly cut off the power supply in case of phase loss to avoid motor burnout and production line shutdown.
| Abubuwan daidaito | M460 | M265 |
| Aiki | Monitoring 3-phase voltage | |
| Monitoring terminals | L1-L2-L3 | L1-L2-L3-N |
| Supply terminals | L1-L2-L3 | L1-L2-L3-N |
| Voltage range | 220-230-240-380-400-415-440-460(P-P) | 127-132-138-220-230-240-254-265(P-N) |
| Rated supply frequency | 45Hz-65Hz | |
| Measuring range | 176V-552V | 101V-318V |
| Threshold adjustment voltage | 2%-20% of Unselected | |
| Adjustment of asymmetry threshold | 5%-15% | |
| Hysteresis | 2% | |
| Phase failure value | 70% of Un selected | 70% of Un selected |
| Time delay | Adjustable 0.1s-10s,10% | |
| Measurement error | ≤1% | |
| Run up delay at power up | Adjustable 0.1s-10s,10% | |
| Konb setting accuracy | 10% of scale value | |
| Supply indication | green LED | |
| Output indication | red LED | |
| 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 | |