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Relais de tension et de fréquence Siemens Reyrolle 7SR158 Argus – 3xV

Siemens Reyrolle 7SR105 Rho Motor Protection Relay

Siemens SIPROTEC Compact 7SD80 Line Differential Protection

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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

Protection for power cables and overhead lines up to 24 km

Phase comparison algorithm for fast and reliable protection

Communication redundancy via copper or optical fiber

Configurable for multiple fault scenarios (overcurrent, ground-fault, etc.)

Direct communication interface with the ability to send inter-tripping commands and binary signals

Programmable logic for advanced customization (CFC)

9 programmable function keys

Support for Ethernet redundancy protocols (RSTP, PRP, HSR)

Protection against external and internal faults

Communication via IEC 61850, MODBUS RTU, and other protocols

Built-in monitoring and diagnostic features (e.g., trip circuit supervision, fuse failure monitoring)

Up to 24 km of fiber-optic protection coverage

4 current transformers and 3-7 binary inputs/outputs

Supports fast and selective tripping even during communication failure

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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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Delivery on site

Visa, MasterCard and Crypto

Product return guarantee

Guarantee of authenticity of goods

24-hour support