The FR-F 746 frequency inverter drives from Mitsubishi Electric complement the standard units of the FR-F 740 series, adding a dust and splash proofed version with an IP54 protection rating. The FR-F 746 series is designed for the special needs of building services automation in the heating, ventilation and air conditioning sector. The dust and splash proof version with an IP54 rating is very robust, making it possible to install and operate the units in heavy-duty environments.
What can you expect from the FR-F 746 series?
Power supply: 3~ 380 - 500V
Output capacity: 0.75 - 55 kW
- Dust and splash proofed, IP54 protection rating
- Ideal for building services automation, heating, ventilation, air conditioning and commercial and industrial pump and fan applications
- Simple configuration and operation with the one-touch Digital Dial
- Extensive control and data management features, incl. servicing timer
- OEC (Optimum Excitation Control) technology for maximum energy savings
- LonWorks, Profibus DP, CC-Link, DeviceNet and RS-485 interface
- USB port (optional)
- Integrated EMC filter (EN 55011A / Second Environment)
Typical applications for the FR-F 746 include:
- Commercial and industrial ventilation and air extraction systems
- Smoke extraction fans
- Hot air generation systems
- Wall air heating systems
- Heat pumps
- Heating and drying cabinets
- Recirculating air heating systems etc.
There are also many applications in:
- The food and beverages industry
- The printing and paper industry
- The chemicals industry
- The textiles industry
- The wood industry
Specifications
| FR-F 746 | |
|---|---|
| Output range | 0.75 - 55kW |
| Power supply (50/60Hz) | 3-phase 380-500V |
| Protective structure | IP54 |
| Output frequency | 0.5-400Hz |
| No. of preselect speeds | 15 |
| Short-circuit, overload and no-load running proof | o |
| Intelligent output current supervision | o |
| Automatic energy saving function | o |
| Integrated brake transistor, brake resistor option | o ( without brake resistor option) |
| RS-422/RS-485 comms interface | Integrated |
| RF suppression | Filter (integrated and option) |
| High, adjustable PWM switching frequency for whisper-quiet motor running | o (+SoftPWM) |
| Network capabilities | Profibus DP, DeviceNet, CCLink, Modbus RTU, LonWorks |
| PID control | o |
| Sink/source logic | o |
| Control unit with copy function | o |
