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Protectierelais MS en HS

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hoofdpagina>Thytronic>Protectierelais MS en HS>NV11B

NV11B

MULTIFUNCTION VOLTAGE PROTECTION WITH UNDER-OVERVOLTAGE TRI-POLAR (27, 59)
AND UNIPOLAR (27.1, 27.2, 27.3 , 27.4 e 59.1, 59.2, 59.3) FUNCTIONS

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NV11B

The relay type NV11B can be typically used in HV, MV and LV distribution systems, on transformers or for electrical machines.
It can be used for system decoupling, load shedding and loss of main (islanding) protection.
Inside the NV11B device both the three-polar (27, 59) and unipolar (27.1, 27.2, 27.3, 27.4 and 59.1, 59.2, 59.3) undervoltage and overvoltage elements are available.

Applications
• Bus
• Utilities interconnection
Protection functions
• Undervoltage (27)
• Unipolar undervoltage (27.1)
• Unipolar undervoltage (27.2)
• Unipolar undervoltage (27.3)
• Unipolar undervoltage (27.4)
• Overvoltage (59)
• Unipolar overvoltage (59.1)
• Unipolar overvoltage (59.2)
• Unipolar overvoltage (59.3)
• Residual overvoltage (59N)
• Breaker failure (BF)
Monitoring and control functions
• CB diagnostic
• Digital Fault recording (DFR)
• Fault and event logging (SER & SFR)
• Multiple setting profiles
• Programmable Logic Controller
• Self-test
• Trip circuit supervision (74TCS)
Hardware
• 100 V standard voltage inputs
• 2 binary inputs + 6 output relays + 8 LEDs
• 400 V standard voltage inputs
• 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
• RS485 port (unavailable with Ethernet FX port)
Communication
• Modbus RTU RS232 protocol
• Modbus RTU RS485 / IEC 870-5-103
• Modbus RTU RS485 / IEC 870-5-103 / DNP3 protocol
• Modbus TCP/IP protocol (network board must be provided)


  • toepassing BUS|INTERFACE
  • ANSI protectie Unipolar undervoltage (27.1)|Unipolar undervoltage (27.3)|Unipolar overvoltage (59.1)|Residual overvoltage (59N)|Unipolar overvoltage (59.3)|Overvoltage (59)|Unipolar undervoltage (27.2)|Unipolar undervoltage (27.4)|Breaker failure (BF)|Unipolar overvoltage (59.2)|Undervoltage (27)

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