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Technical Highlights
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Main Function: Motor protection for all sizes
Tripping: 3-pole
Inputs & Outputs:
4 CTs, 4 VTs
11–27 binary inputs, 9–17 binary outputs
Protection Functions:
Motor protection: start-up supervision, thermal overload, restart inhibit, unbalanced-load, load-jam
Differential motor protection for high-power motors
Sensitive ground-fault protection (directional/non-directional)
Overcurrent (directional/non-directional), over/undervoltage, arc, power, QU protection
Detection up to 50th harmonic
Control & Automation: Graphical logic editor (CFC), synchrocheck, switchgear interlocking
Communication:
Ethernet RJ45 (DIGSI 5, IEC 61850, GOOSE)
Up to 4 pluggable modules (IEC 61850, IEC 60870-5-103/104, DNP3, Modbus TCP, PROFINET IO)
Redundancy: PRP / HSR
Additional Features:
PMU (IEEE C37.118), fault recording up to 80s @ 8kHz / 320s @ 2kHz
Cybersecurity compliant with NERC CIP & BDWE
Housing width: 1/3 × 19” to 2/1 × 19”
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Spécifications Techniques
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Protection différentielle pour transformateurs à 2 ou 3 enroulements (3/1 phases)
Protection différentielle pour moteurs, générateurs et lignes courtes
Protection différentielle des jeux de barres jusqu’à 9 départs
Protection contre les surintensités de phase et de terre
Protection contre les surcharges avec mesure de température
Protection de séquence négative et défaillance du disjoncteur
Protection de défaut à la terre à impédance basse ou élevée
Protection surtension/sous-tension et sur/sous-fréquence
Protection contre la surexcitation et la puissance inverse/directe
Surveillance des fusibles et auto-surveillance du relais
Surveillance thermique complète avec boîtiers thermo-box
Logique programmable (CFC) pour automatisation et interverrouillage
Interfaces : IEC 61850, IEC 60870-5-103, PROFIBUS-FMS/DP, MODBUS, DNP 3.0
Synchronisation temporelle IRIG-B/DCF 77
Logiciel de configuration DIGSI 4
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Technical Specifications
Differential protection for 2–3 winding transformers (3-/1-phase)
Differential protection for motors, generators, and short lines
Busbar differential protection (up to 9 feeders)
Phase- and earth-fault overcurrent protection
Overload protection with temperature monitoring
Negative-sequence and breaker failure protection
Restricted earth-fault (REF) protection (low/high impedance)
Over/undervoltage, over/underfrequency, and overexcitation protection
Reverse/forward power protection
Fuse failure monitoring
Integrated thermal monitoring via thermo-boxes (hot-spot calculation)
Programmable logic (CFC) for automation/interlocking
Communication: IEC 61850, IEC 60870-5-103, PROFIBUS-FMS/DP, MODBUS, DNP 3.0
Time sync via IRIG-B/DCF 77
DIGSI 4 compatibility for settings, monitoring, and control
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