Water pump dedicated frequency converter all-in-one machine
Water pump dedicated frequency converter all-in-one machine

Water pump dedicated frequency converter all-in-one machine

The variable frequency energy-saving control cabinet for water pumps can flexibly meet the personalized and industrial needs of customers through design. It adopts the integrated cabinet mode of variable frequency energy-saving control, improves the automation level of dropper control, achieves high detection accuracy, and is unmanned. And it reduces most manual operations, reduces costs, and is more convenient to use.

Power range


Input voltage

380V 3 phase to 3 phase

Product Overview

Application scope

  • Textile

  • Paper Making

  • Sand Making

  • Machine Tools

  • Packaging

  • Food

  • Fans

  • Pumps

  • Instant stop function
  • Satisfy normal operation at low voltage (320V-450V)
  • Satisfy normal operation in outdoor hot and explosive environments
  • Environmental factors such as high external dust ensure the normal operation of the frequency converter
  • Excellent overcurrent
  • IP protection level
  • Intelligent control
  • Good sleep function
  • Protection against short circuit to ground at the moment of power on
  • Provide basic menu, user customized parameters, and factory value change parameter mode switching functions
  • It has two sets of PID functional parameters that can be switched
  • With two independent sets of motor parameters that can be switched
  • 0.3Hz waveform diagram
  • Speed tracking waveform
FST-650S motherboard terminal diagram
FST-650S series
FST-650S series keyboard display

Technical Specifications

Iterms Technical Index Specification
Input Input voltage lΦAC220V±15%
3ΦAC380V± 15%
Input frequency 47-63Hz
Efficiency ≥97%
Output Output voltage 0- Rated voltage
Output frequency 0-500Hz
Control Features Control Mode Speed sensorless vector control,Vector control with speed sensor,V/F control
Run Command Mode Panel control, terminal control, serial communication
Frequency setting method Digital setting, analog quantity setting, pulse frequency setting, serial communication setting, multi segment speed setting and simple PLC setting, PID setting, etc., can achieve combination and mode switching of given methods
Overload capacity G type: 150% rated current 60S, 180% rated current 10S
P type: 120% rated current 60S, 150% rated current 10S
Starting torque 0.5Hz/180% (SVC) ;1Hz/180% (V/F)
Speed regulation range 1:100 (SVC)
Speed control accuracy ± 0.5% maximum speed (SVC)
Carrier wave frequency 1.0-15.0KHz,Automatically adjustable according to temperature and load characteristics
frequency resolution Digital setting: 0.01Hz Analog setting: Maximum frequency * 0.1%
Torque increase Automatic torque increase; Manual torque increase by 0.1% -10.0%
Acceleration and deceleration methods DC, four types of acceleration and deceleration times
DC braking DC braking during startup and DC braking during shutdown
Inching operation Inching operation frequency: 0.0Hz - maximum frequency output, inching plus or minus time 0.1-3600.0S
Simple PLC and multi speed operation Up to 16 segments of speed operation can be achieved through built-in PLC or control terminals
Built in process PID A closed-loop control system that facilitates the implementation of process quantities such as pressure, temperature, flow rate, etc
Automatic voltage adjustment When the voltage of the power grid changes, it can automatically maintain a constant output voltage
Common DC bus Multiple frequency converters share a DC bus for automatic energy balancing
Torque control No PG torque control
Swing frequency control Multiple triangular wave frequency control
Counting control Counting function
Input terminal Programmable Dl: 7 switching inputs, with 1 indicating pulse input
Programmable AI: 2 channels, VCI: voltage -10V~10V; Voltage 0-10V or current 0-20mA input
Output terminal Programmable open collector output: 1 output (open collector output or high-speed pulse output), 2 relay outputs
Analog output: 2 outputs, selectable from 0/4-20mA or 0-10V
Communication terminal Provide RS485 physical interface and support Modbus RTU communication mode
Interface LED display Can display parameters such as frequency, output frequency, output voltage, output current, etc

Product Parameters

Model no. Power output current Input voltage Size(mm) Installation size(mm) G.W
FST-650S-018G/022PT4 18.5KW/22KW 37A/45A 380V 170*320*210 floor type 5.5KG
FST-650S-022G/030PT4 22KW/30KW 45A/60A 380V 210*345*210 floor type 9KG
FST-650S-030G/037PT4 30KW/37KW 60A/75A 380V 210*345*210 floor type 9KG
FST-650S-037G/045PT4 37KW/45KW 75A/90A 380V 295*525*225 floor type 19.5KG
FST-650S-045G/055PT4 45KW/55KW 90A/110A 380V 295*525*225 floor type 19.5KG
FST-650S-055G/075PT4 55KW/75KW 110A/150A 380V 340*580*250 floor type 29.5KG
FST-650S-075G/090PT4 75KW/90KW 150A/176A 380V 340*580*250 floor type 29.5KG
FST-650S-090G/110PT4 90KW/110KW 176A/210A 380V 340*580*250 floor type 29.5KG
FST-650S-110G/132PT4 110KW/132KW 210A/250A 380V 1600*1050*515 floor type 300KG


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