| Muhimmiya | Switchgear parts |
| Model NO. | 3 Phase Display Voltage Monitoring Relay GRV8-SN |
| Rated Frequency | 45Hz-65Hz |
| Rated Working Voltage | 127-265(P-N) |
| Siri | GRV8-SN |
GRV8-S ni relay mai zurfi da take kula da mafi inganci a kan fuskantar voltage na uku, bayanai masu data, da kuma gidajen rukuni. Yana amfani da tekunologin yawan inganci na rawarwa a kan fuskantar voltage na uku a cikin lokaci na baya. Saboda haka, tare da kyakkyawan LCD, yana ba da shirin da ya fi yawa a kan gudanar voltage na uku a cikin gwamnatin power industri, wanda yake da kyau a cikin sadimin kontrol mai zurfi da ke neman dacewa.
Yadda ake iya GRV8-S Three phase Voltage Monitoring Relay with Display:
1. Gidaje mai zurfi: Da fitaccen funkar ta dokari, gidaje na baya na relay, wanda yake so in yi tasiri a cikin zama aiki.
2. Tashin mutane da komputa: Kayayyakin interface da ke da kyau yana rage da muhimmanci a yi aiki, kuma yana ci nasara a kan gudanar process na debugging a cikin yanki.
3. Mafi girma: Da kyau a kan siffofin voltage da yawa da kuma sadimin wiring, wanda yake da kyau a cikin yanayi na uku da suka ci gaba.
4. Mafi girma: Kayan aiki na karfi yana ba da kyau a kan layout na cabinet, wanda yake da kyau a cikin yanayi da suka ci gaba.
5. Shirin da ya fi yawa: Mechanism na protection na voltage fault na yawa yana rage da riskin lafiyar kayan aiki.
Tushen GRV8-S Three phase Voltage Monitoring Relay with Display:
1. Yawan inganci na rawarwa
Amfani da tekunologi na TRMS (True RMS) don in tabbatar da shape na waveform na voltage da kuma in yi waƙoƙi a kan interference na harmonics, saboda haka, yana ba da shirin da ya fi yawa a kan bayanai.
2. Kyakkyawan LCD mai yawa
Da fitaccen kyakkyawan LCD, yana bayyana bayanai na voltage, indicators, da kuma abubuwan fault na baya, wanda yake taimaka a cikin gudanar diagnosis da kuma setting na parameter.
3. Mafi girma na system
Yana da kyau a kan sadimin wiring biyu: three-phase three wire (3P3L) da three-phase four wire (3P4L), da kuma yana da kyau a kan siffofin voltage da yawa (kamar 220V, 380V, etc.).
4. Yawan inganci na rawarwa
Error na measurement ≤ 1%, wanda yake da kyau a cikin tsari na voltage monitoring a cikin yanayi na uku da suka ci gaba.
5. Design na structure mai karfi
Module width ita ce 36mm, da kuma yana da kyau a kan installation na DIN rail, wanda yake rage da space na cabinet da kuma in yi tasiri a cikin integration na system.
Amfani da GRV8-S Three phase Voltage Monitoring Relay with Display:
1. Protection na overvoltage/undervoltage na uku
Gidaje na baya na fluctuations na voltage a cikin grid, don in yi alarm ko instruction na disconnection idan an samu overvoltage, undervoltage, ko imbalance, don in haɗa aiki na electrical equipment.
2. Protection na reverse operation na kayan aiki
Amfani da function na phase sequence don in rage da damage ko accident na safety da ke faru a cikin kayan aiki masu rotation kamar motors saboda power supply na reverse.
3. Control na dual power switching
System na automatic switching don normal power supply da emergency power supply (kamar generators), don in haɗa continuity na power.
4. Protection na phase failure na power load
Tabbatar da phase loss faults a cikin systems na uku, kuma in kasa power na baya, don in rage da motor burnout ko losses na shutdown na production line.
| Parametoci na teknologi | GRV8-SN | GRV8-SP |
| Funkar | 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 |