
Controllers
◐ Controllers
FRI-3 industrial variable frequency drive (IP20)
FRI-3 industrial three-phase variable frequency drive for pump speed control, with RS485 communication. IP20 version, available to order up to 400 kW.
Protection rating
IP20
Power
4 – 37 kW
Output current
9 – 75 A
Input
3x400 V
Communication
RS485
Expandable
up to 400 kW
Applications
- Industrial pump systems
- Pressure boosting systems
- Irrigation
Operating conditions
- Input: 3x400 V / 50 Hz, output: 3x400 V / 0–60 Hz
- RS485 communication
- Protection rating: IP20
- Available to order up to 400 kW
Functions and protections
- Overload protection
- Overvoltage protection
- Dry-running protection
- Water-shortage protection
- RS485 communication
◐ Technical data
| Type | Power | Output current |
|---|---|---|
| FRI-3 - 4/5.5 - 9/13A | 4 kW | 9 A |
| FRI-3 - 5.5/7.5 - 13/17A | 5.5 kW | 13 A |
| FRI-3 - 7.5 - 17A | 7.5 kW | 17 A |
| FRI-3 - 11/15 - 25/32A | 11 kW | 25 A |
| FRI-3 - 15/18.5 - 32/37A | 15 kW | 32 A |
| FRI-3 - 18.5/22 - 37/45A | 18.5 kW | 37 A |
| FRI-3 - 22/30 - 45/60A | 22 kW | 45 A |
| FRI-3 - 30/37 - 60/75A | 30 kW | 60 A |
| FRI-3 - 37 - 75A | 37 kW | 75 A |
◐ Dimension drawing



◐ Size table
| Type | H | W | D | D1 | H1 | W1 | d |
|---|---|---|---|---|---|---|---|
| FRI-3 - 4/5.5 - 9/13A | 207 | 100 | 147 | 139 | 197 | 85 | 5 |
| FRI-3 - 5.5/7.5 - 13/17A | 247 | 130 | 167 | 159 | 237 | 113 | 5 |
| FRI-3 - 7.5 - 17A | 247 | 130 | 167 | 159 | 237 | 113 | 5 |
| FRI-3 - 11/15 - 25/32A | 348 | 182 | 211 | 196 | 331 | 156 | 6 |
| FRI-3 - 15/18.5 - 32/37A | 348 | 182 | 211 | 196 | 331 | 156 | 6 |
| FRI-3 - 18.5/22 - 37/45A | 373 | 220 | 205 | 190 | 356 | 156 | 6 |
| FRI-3 - 22/30 - 45/60A | 373 | 220 | 205 | 190 | 356 | 156 | 6 |
| FRI-3 - 30/37 - 60/75A | 435 | 256 | 222 | 208 | 419 | 170 | 6 |
| FRI-3 - 37 - 75A | 435 | 256 | 222 | 208 | 419 | 170 | 6 |
Dimensions in mm (H×W×D + mounting dimensions). Small version: 4–7.5 kW, large version: 11–37 kW.
Interested in the FRI-3 industrial variable frequency drive (IP20)?
Request a quote or check with the sizing tool whether this model fits your application.
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