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Siemens Reyrolle 7SR191 Capacitor Bank Protection Relay
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Technical Specifications
Numerical relay for capacitor bank protection
Supports Single Star, Double Star, Delta, and H configurations
3-pole overcurrent + 1-pole unbalance or 1-pole overcurrent + 3-pole unbalance options
Optional voltage inputs and overvoltage protection via current integration
Re-energization blocking feature for safe operation
Programmable inverse voltage, current, and thermal curves
Comprehensive protection functions: overcurrent, unbalance, earth fault, under/over voltage, over/under frequency, negative phase sequence, thermal overload, REF, and harmonic analysis
Communication and SCADA integration (IEC protocols)
Self-monitoring and multiple setting groups
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