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energyxpertz / Compare products
Relais de tension et de fréquence Siemens Reyrolle 7SR158 Argus – 3xV
Siemens Reyrolle 7SR105 Rho Motor Protection Relay
Siemens Reyrolle 7SR23 – Relais de Protection à Impédance Élevée
Siemens Reyrolle 7SR45 Argus Rölesi – Hat Koruma Rölesi (4xI)
price
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Teknik Özellikler
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Termal aşırı yük koruması (49)
Anlık aşırı akım koruması (50)
Anlık türetilmiş toprak arıza koruması (50N)
Anlık ölçülmüş toprak arıza koruması (50G)
Gecikmeli aşırı akım koruması (51)
Gecikmeli türetilmiş toprak arıza koruması (51N)
Gecikmeli ölçülmüş toprak arıza koruması (51G)
Hat kontrolü / SOTF
Manyetik akım giriş kısıtlaması
Kendi enerjili veya çift enerjili çalışma
Kompakt 4xI giriş tasarımı
Siemens yetkili teknik destek – Mumbai
Spécifications techniques
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Protection différentielle globale (87/50G)
Protection différentielle de terre restreinte (87REF)
Défaut de terre (50G)
Supervision du transformateur de courant (CT50)
Surveillance du dégagement de défaut (87/50BF)
Instrumentation et surveillance
Option de communication IEC 61850
Huit groupes de réglages
Protection par mot de passe
Auto-surveillance
Enregistrements de défauts, d’événements et d’ondes
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Technical Specifications
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Model: 7SR105 (Rho Series – Motor Protection)
Case Type: Size 4, 4U high, non-draw-out
Binary Inputs/Outputs: 6 BI/Os
Communication: Front USB port and rear RS485 (MODBUS RTU / IEC 60870-5-103)
Inputs: RTD temperature inputs (optional)
Display: LCD with local and remote measured value visualization
Control: Integrated motor start/stop operation and trip command
Functions: Protection, monitoring, metering, and data logging
Protection Functions:
Stall Protection (14)
Undercurrent (37)
Current Unbalance (46)
Phase Reversal (46Ph Rev)
Start Protection (48/66)
Motor Thermal Overload (49R)
Time Overcurrent (50/51)
Earth Fault (50/51G/N)
Backspin Protection (81B)
Temperature Inputs (RTD)
Supervision: CB Fail (50BF), CT Supervision (60CTS), Trip Circuit Supervision (74T/CCS)
Monitoring: Instrumentation, Event/Fault/Waveform records
Main Features:
Cold Load Settings
Two Setting Groups
Password Protection
Self-Monitoring
Circuit Breaker Trip Counter
Compact & reliable motor protection
Compliance: IEC 60255
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Caractéristiques techniques
Modèle : 7SR158 Argus – 3xV
Type : Relais de protection tension/fréquence
Fonctions de protection :
• Sous/Surtension
• Sous/Surfréquence
• Variation du taux de fréquence
• Séquence de phase négative
• Déplacement de tension du neutre
• Décalage du vecteur de tension
Fonctions de supervision :
• Supervision du circuit de déclenchement et de fermeture
• Blocage (Lockout)
Fonctions de surveillance :
• Tension de ligne et de phase (primaire/secondaire)
• Historique de la demande
• Surveillance PPS, NPS, ZPS
Fonctions supplémentaires :
• 4 groupes de réglages
• Protection par mot de passe à deux niveaux
• Auto-surveillance
• Compteurs de déclenchement et maintenance
• Enregistrements de défauts et d’événements
• Logique utilisateur et E/S virtuelles
• Port USB avant et RS485 arrière
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