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Protectierelais MS en HS

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Alle nieuwe producten

NG10

BIASED DIFFERENTIAL FOR GENERATORS/MOTORS

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NG10

The relay type NG10 provides sensitive, high operating speed and selective differential protection against phase-to-phase and phase-to-ground short circuits of motors/generators or short lines.

Applications
• Generator
• Motor
Protection functions
• Pt100 thermometric probes (26)
• Residual overcurrent (50N/51N)
• Low impedance restricted ground fault (64REF)
• Differential protection for generators and motors (87G/87M)
• High impedance restricted earth fault (87NHIZ)
• Breaker failure (BF)
Monitoring and control functions
• CB diagnostic
• CTs monitoring (74CT)
• Digital Fault recording (DFR)
• Fault and event logging (SER & SFR)
• Logic selectivity
• Multiple setting profiles
• Programmable Logic Controller
• Self-test
• Trip circuit supervision (74TCS)
Hardware
• 2 binary inputs + 6 output relays + 8 LEDs
• Auxiliary power supply 110-230 Vac/dc
• Auxiliary power supply 24-48 Vac/dc
• Flush, projecting, projecting, rack, with separate MMI
• Network module with Ethernet FX port (optical fiber)
• Network module with Ethernet TX port (copper RJ45) + RS485 port
• Nominal current 1/5 A selectable by DIP-switch
• RS485 port (unavailable with Ethernet FX port)
• Standard CT amperometric inputs 1/5 A
Communication
• Modbus RTU RS232 protocol
• Modbus RTU RS485 / IEC 870-5-103 / DNP3 protocol
• Modbus TCP/IP protocol (network board must be provided)

  • toepassing GENERATOR|MOTOR
  • ANSI protectie Pt100 thermometric probes (26)|Low impedance restricted ground fault (64REF)|Breaker failure (BF)|High impedance restricted earth fault (87NHIZ)|Differential protection for generators and motors (87G/87M)|Residual overcurrent (50N/51N)

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