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Over-voltage protection relay NG20under-voltageunder-frequencytrip circuit
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Characteristics
- Measured/monitored value
- over-voltage, under-voltage, under-frequency, trip circuit
- Applications
- motor, for generators
- Mounting
- flush-mount
- Communication
- RS485
Description
Several functions, required for synchronous generators and not self-started synchronous motors are included.
STANDARD PROTECTIVE & CONTROL ELEMENTS
• Under Voltage
• Directional active overpower
• Directional active underpower
• Loss of Field
• Negative sequence overcurrent Motor/Generator
• Thermal Image Motor/Generator
• Phase overcurrent side H and side L
• Maximum Residual Overcurrent
• Voltage restraint overcurrent
• Minimum Power Factor
• Overvoltage
• Residual Overvoltage
• Low impedance restricted earth fault
• Over frequency
• Under frequency
• Breaker Failure
• CT Supervision
• VT Supervision
• Trip Circuit Supervision
Catalogs
Pro N - brochure
12 Pages
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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.