Seymour-Smith now carries the Delta series of drives.

Delta VFD drives can readily be used in most applications where  Mitsubishi, Siemens, Taian, Toshiba, Vacon, Yaskawa/Omron,  Allen Bradley, ABB, Schneider/Telemechanique, Fuji -GE and Hitachi Drives are used.

Click here for our delta drive listing. 

We service what we sell.  

VFD-B

• 16-bit microprocessor controlled PWM output
• Automatic torque boost & slip compensation
• Output Frequency from 0.1~400Hz
• 16-step speed control & 15-step preset speed
• PID feedback control & PG feedback control
• 4 accel./decel. Times & 2 S-curve selections
• Pump control & automatic energy-saving
• Process follower -10~10Vdc, 0~10VDC, 4~20mA
• MODBUS communication RS-485 (Baud rate 38400)
• Coast or ramp to stop
• Adjustable V/F curve & automatic voltage regulation
• Automatic adjustment of accel./decel. Times
• Auto tuning & sensorless vector control

 VFD-M

• 16-bit microprocessor controlled SPWM output
• Output Frequency 0.1~400Hz
• Low-noise carrier frequency up to 18 kHz
• Analog input 0~5 VDC, 0~10 VDC, 4~20mA
• Removable Keypad
• Coast or ramp to stop
• Controlled reversing
• Adjustable V/F curve
• Automatic Voltage Regulation
• Automatic torque boost & slip compensation
• 8-step speed control & 8-step process control
• 2 accel./decel. & 1 S-curve settings
• RS-485 communication (Baud rate 38400)
• Energy saving & fault restart
• Automatic adjustment of accel./decel. times

VFD-S

• 16-bit microprocessor controlled PWM output
• Automatic torque boost & slip compensation
• Output Frequency from 1.0~400Hz
• 8-step speed control & 8-step process control
• Low-noise carrier frequency up to 10kHz
• 2 accel./decel. times & 2 S-curve settings
• Process follower 0~10VDC, 4~20mA, PID and feedback control
• MODBUS communication RS-485 (Baud rate 38400)
• Coast or ramp to stop
• Momentary power failure restart & fault reset
• Adjustable V/F curve & automatic voltage regulation
• Automatic adjustment of accel./decel. Times
  

VFD-L

• 16-bit microprocessor controlled SPWM output
• Low noise ; carrier frequency up to 10kHz
• Controlled reversing
• 2 inputs and 1output terminal for external controls
• Adjustable V/F curve
• Adjustable accel./decl. Time
• RS-485 communication (Baud rate 9600)
• Option: Programmable Keypad (VFD-PU02)

 VFD-V 

• Sensorless vector control, control rate: 1:100
• PG closed-circuit control, speed control rate: 1:1000
• Built-in PID feedback control
• V/F, vector control and torque control
• Zero-speed that holds the torque stay at above 150%
• MODBUS communication Baud rate reaching 115200
• Auto-Tuning motor parameter
• 4 independent S curve accel/decel step speeds
• Dual ratings
• Sleep function and energy-saving operation

VFD-F 

• 16-bit microprocessor controlled SPWM output
• Automatic torque boost & slip compensation
• Output Frequency from 0.1~120Hz
• 8-step speed control & 7-step preset speed
• PID feedback control
• 2 accel./decel. Times & S-curve settings
• Pump control & automatic energy-saving
• Communication interface RS-485 (Baud rate 38400)
• Free run or ramp stop. Control reversing
• Adjustable V/F curve. Automatic voltage regulation