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Siemens Reyrolle 7PG23 High Impedance Protection Relay
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Technical Specifications
Type: High Impedance Differential Protection Relay
Brand: Siemens Reyrolle
Model: 7PG23
Operating Principle: Voltage-operated high impedance protection
Applications: Transformer restricted earth fault protection, reactor and stator winding fault detection
Features:
Sensitive, fast fault detection for internal earth faults
High stability during external faults
User-selectable operating voltage setting
Integral non-linear voltage limiting resistor
Optional external shunt resistor for higher operating current
Operation flag indicator for clear fault identification
Compatible with Reyrolle High Impedance Software Tool for easy setting calculations
Mounted in E3 size case
Protection Functions: High impedance restricted earth fault (REF) protection
Accessories: Stabilizing resistors, setting resistors, nonlinear voltage limiting resistors (optional)
Compliance: IEC Standards
Software Support: Reyrolle High Impedance Software Tool (free download)
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