Delta Electronics frequency inverters VFD-B versatile represents Delta’s NEMA1 general purpose AC drive. The VFD-B versatile series drive is rated to provide constant torque, featuring open and closed loop vector control. Delta offers an optional 2000 Hz high speed output that can be factory programmed at the customer’s request. Applications: air conditioners for large buildings; woodcarving machine; punching machine; wastewater treatment systems; crane drive and swivel; washing machine; vertical stamping machines; compressor; elevator; escalator; circular loom; flat knitting machine; pasta machine; four-sided woodworking planer, etc.
- Output frequency 0.1~400 Hz
- Adjustable V/f curve and vector control
- Master/Auxiliary and 1st / 2nd frequency source selectable
- 16-step speed control and 15-step preset speed process control
- Built-in PID feedback control
- Auto torque boost & slip compensation
- Built-in MODBUS communication, baud rate up to 38400 bps
- Support communication module (DN-02, LN-01, PD-01)
Specifications
| Manufacturer: | Delta Electronics |
| Series: | VFD-B |
| Model: | VFD037B43A |
| Application: | pumps / fans / lifts / cranes / general purpose |
| Capacity, kW: | 3.7 |
| Current, А: | 8.5 |
| Main power supply, V: | 380 |
| Phase: | 3 |
| Output frequency, Hz: | 1,0-400 |
| Enclosure: | IP20 |
| Overload capacity, % per 1 min.: | 150 |
| Acceleration time, sec: | 0.1-3600 |
| Deceleration time, sec: | 0.1-3600 |
| EMC filter: | optional |
| Braking unit: | optional |
| Analog input: | 4 |
| Digital input: | 12 |
| Analog output: | 1 |
| Digital output: | 1 |
| Relay output: | – |
| RS485 (Modbus RTU): | + |
| Starting torque: | 150% at 1 Hz |
| PID: | PID – regulation |
| V/f control mode: | + |
| Vector control with feedback: | – |
| Sensorless vector control: | + |
| Operation temperature, °С: | -10……+40 |
| Storage temperature, °С: | -20……+60 |
| Dimensions (W x H x D), mm: | 150x260x160.2 |
| Weight, kg: | 6.8 |
