Tin tức 1 EN
Năm 2017, doanh số bán xe máy quay đầu giảm. Tuy nhiên, dù giá xe ngày càng đắt nhưng nhiều người chuyển hướng, bỏ xe cũ...
NA10
Mã sản phẩm: NA10
Thương hiệu: THYTRONIC
Trịnh Thị Thu Hà
0364487152
Nguyễn Minh Châu
0989913569
Nguyễn Hoàng Mi
0976061096
Nguyễn Cẩm Lan
0968781926
The relay type NA10 is typically used in radial HV, MV and LV networks as feeder or power transformer protection.
In solidly grounded systems the residual overcurrent protection can be used on feeders of any lenght, while in ungrounded or Petersen coil and/or resistance grounded systems, the residual overcurrent protection can be used on feeders of small lenght in order to avoid unwanted trippings due to the capacitive current contribution of the feeder on external ground fault.
The relay complies with CEI 0-16 requirements.
Applications
• Feeder
• Transformer
Protection functions
• Pt100 thermometric probes (26)
• Phase overcurrent (50/51)
• Residual overcurrent (50N/51N)
• High impedance restricted earth fault (87NHIZ)
• Breaker failure (BF)
Monitoring and control functions
• CB diagnostic
• Cold Load Pickup (CLP)
• CTs monitoring (74CT)
• Digital Fault recording (DFR)
• Fault and event logging (SER & SFR)
• Logic selectivity
• Multiple setting profiles
• Programmable Logic Controller
• Second harmonic restraint
• Self-test
• Trip circuit supervision (74TCS)
Hardware
• 2 binary inputs + 6 output relays + 8 LEDs
• 5 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
• Modbus RTU RS485 / IEC 870-5-103 / DNP3 protocol
• Modbus TCP/IP protocol (network board must be provided)