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Variable Frequency Drives

16A NXS Frequency Converter

NXS Variable Frequency Drives provide step less speed control for all open loop (no speed feedback from motor) applications in HVAC and industrial environments.

NXS Frequency Converter consists of two units, the Power Unit and the Control Unit. The three-phase AC-choke at the mains end together with the DC-link capacitor form an LC-filter, which, again, together with the diode bridge produce the DC-voltage supply to the IGBT Inverter Bridge block.

The AC-choke also functions as a filter against High Frequency disturbances from the mains as well as against those caused by the frequency converter to the mains. It, in addition, enhances the waveform of the input current to the frequency converter. The entire power drawn by the frequency converter from the mains is active power. The IGBT Inverter Bridge produces a symmetrical, 3-phase PWM-modulated AC-voltage to the motor. The Motor and Application Control Block is based on microprocessor software. The microprocessor controls the motor basing on the information it receives through measurements, parameter settings, control I/O and control keypad. The motor and application control block controls the motor control ASIC which, in turn, calculates the IGBT positions. Gate drivers amplify these signals for driving the IGBT inverter bridge.

The control keypad provides a link between the user and the frequency converter. The control keypad is used for parameter setting, reading status data and giving control commands. It is detachable and can be operated externally and connected via a cable to the frequency converter. Also a PC can be used instead of the control keypad, to control the frequency converter, if connected through a similar cable.

Features & Benefits:
  • Most compact size in the market (especially IP54)
  • Integrated RFI-filters and AC-chokes
  • Application adapting Start Up Wizard
  • Application adapting Quick menu
  • Flexible “ALL IN ONE” multipurpose software with predefined applications
  • Alphanumeric keypad with memory and backup functions
  • Easy “keypad – remote” change with 1 button
  • Trip free operation with safety switch
  • Silent motor operation with 10 kHz switching frequency
Certifications:
  • Safety: EN50178 (1995), EN60204-1 (1996)
  • EMC: EN50082-2 (1995), EN61800-3 (1996)

Others

  • High Overload For Machines
    • 5.5 kilograms per millimetere
  • Power
    • 7.5 kilowatt
    • 400 volt
  • Three Phase Input
    • Yes
  • Operating Frequency Resolution
    • 0.01 hertz
  • Low Overload Continuous Current
    • 16 ampere
  • RFI Filter Type
    • Integrated
  • Communication Protocols
    • Modbus RTU
    • Profibus DP
    • N2
    • BACnet
    • Ethernet Mobus/TCP
    • DeviceNet
    • CANopen
    • Optional
  • Brand
    • Saia Burgess Controls SBC
  • One Phase Input
    • No
  • Brake Chopper
    • Integrated
  • High Overload Continuous Current
    • 12 ampere

Others

  • High Overload For Machines
    • 5.5 kilograms per millimetere
  • Power
    • 7.5 kilowatt
    • 400 volt
  • Three Phase Input
    • Yes
  • Operating Frequency Resolution
    • 0.01 hertz
  • Low Overload Continuous Current
    • 16 ampere
  • RFI Filter Type
    • Integrated
  • Communication Protocols
    • Modbus RTU
    • Profibus DP
    • N2
    • BACnet
    • Ethernet Mobus/TCP
    • DeviceNet
    • CANopen
    • Optional
  • Brand
    • Saia Burgess Controls SBC
  • One Phase Input
    • No
  • Brake Chopper
    • Integrated
  • High Overload Continuous Current
    • 12 ampere
  • Three Phase Input : Yes
  • Operating Frequency Resolution : 0.01 hertz
  • Low Overload Continuous Current : 16 ampere
  • RFI Filter Type : Integrated
  • Communication Protocols : Modbus RTU|Profibus DP|N2|BACnet|Ethernet Mobus/TCP|DeviceNet|CANopen|Optional
  • Brand : Saia Burgess Controls SBC
  • One Phase Input : No
  • Brake Chopper : Integrated
  • High Overload Continuous Current : 12 ampere
  • Power : 7.5 kilowatt|400 volt
  • High Overload For Machines : 5.5 kilograms per millimetere
Image
SKU
Description
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NXS0016V35A5H1
NXS Frequency Converter, 7.5kW Low Overload, 5.5kW High Overload, 16A, FR4/IP21, 144x391x214mm, 8.1Kg
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NXS0016V35A2H1
NXS Frequency Converter, 7.5kW Low Overload, 5.5kW High Overload, 16A, FR4/IP54, 144x391x214mm, 8.1Kg