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Baldor VS1ST - ac Inverter Drives - IP20 Enclosure

Supplier: ABB Australia

Feature rich Volts/Hertz variable speed drives designed for easy installation, set-up and operation at an economical price.

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Feature rich Volts/Hertz variable speed drives designed for easy installation, set-up and operation at an economical price. Ideal replacement for fixed speed starters and for OEM applications. Built-in local control allows drive to operate out-of-the-box. Motor ratings from 0.37kW to 11kW. Built-in ModBus-RTU with RJ45 port for easy communication with other devices.


  • Feature rich Volts per Hertz variable speed drives designed for easy installation, set-up and operation. 
  • 20:1 Operating Speed Range 
  • Ideal replacement for fixed speed starters and for OEM applications. Built-in local control allows drive to operate out-of-the-box. 
  • Motor ratings from 0.37kW to 2.2kW (230V 1ph input) and 0.37kW to 11kW (415/460V 3ph input). 
  • Panel mount (IP20) with feed-through power wiring. 
  • Combining performance with an intuitive operator interface, the drive can be started up after adjusting just 10 from 45 available parameters. 
  • Built-in ModBus-RTU with RJ45 port for easy communication with other devices. 
Advanced Capabilities 
  • PID Control: In centrifugal pump and fan applications, PID control is provided as a standard function, helping maintain a constant process control of pressure, flow and level. This function includes PID reference selection. 
  • Energy Savings Mode: The drive automatically reduces the applied motor voltage depending on the load conditions. This type of control produces a higher starting torque over a typical variable torque speed curve and is useful in HVAC Pump and Fans. 
  • Power-Off Braking: If power is lost to the drive, the VS1ST can use the energy stored in the mechanical system. Regenerated power is used to keep the drive active and bring the motor to a stop under a controlled condition. 
Operator Interface 
  • LED Display; six character Hertz, Amps, Motor RPM or Custom Units 
  • Local Control Start/Stop, Forward/Reverse, Speed Increase/Decrease Control 
  • Programming Operational Parameters 
Software Features 
  • Power – Off E-Stop, DC injection braking, Power line dip ride through, Skip frequency, Software parameter lock, Display speed scaling, PID control, Auto restart, Slip compensation, Energy savings features. 
Communications 
  • Modbus-RTU, built in RJ45 port.

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