FR-A840-10940-2-60 (450KW)
| Parameter | Value |
|---|---|
| Full Model ID | FR-F840-10940-2-60 |
| Extended Product Type | Variable Torque Energy-saving Inverter (Ultra High Power Fan & Pump Special Unit) |
| Product Series | FREQROL FR-F840 400V Top Tier Ultra High Power Series |
| Target Load Type | Variable torque: super-large centrifugal pumps, mine main ventilation blowers, municipal waterworks, thermal power circulating water, large sewage aeration facilities |
| SLD Super Light Duty Rated Motor Power | 560 kW |
| SLD Super Light Duty Continuous Output Current | 1094 A |
| LD Light Duty Rated Motor Power | 450 kW |
| LD Light Duty Continuous Output Current | 962 A |
| Input Power Supply | 3-phase AC 380–500 V, 50/60 Hz |
| Allowable Input Voltage Deviation | 323 V ~ 550 V |
| Output Frequency Range | 0.2 Hz ~ 590 Hz |
| Control Algorithms | V/F Control, Advanced Magnetic Flux Vector, PM Sensorless Vector |
| SLD Overload Capacity | 110% rated current for 60 s; 120% for 3 s @40°C ambient |
| LD Overload Capacity | 120% rated current for 60 s; 150% for 3 s @50°C ambient |
| Enclosure Protection Class | IP00 open frame, mandatory installation inside dedicated heavy-duty high-power control cabinet |
| Cooling System | Heavy-duty dual oversized forced air fan cooling system |
| Built-in Standard Functions | SIL3/PLe STO Safe Torque Off, integrated EMC filter, multi-loop PID closed-loop regulation, cumulative energy consumption monitor, sequential control for max 4 parallel pumps, 6000-step embedded PLC logic |
| Standard Communication Interface | Modbus RTU onboard; expandable CC-Link IE Field, BACnet/IP, Modbus TCP via option cards |
| Auxiliary Control Power Terminal | Independent single-phase 380–500V auxiliary control power supply |
| Compatible Local Operator Panel | FR-DU08 5-digit LED display unit |
| Overall Dimensions (H×W×D) | 1580 mm × 680 mm × 440 mm |
| Net Weight | 243 kg |
| Supported Motor Types | 3-phase Induction Motors, Permanent Magnet Synchronous Motors |
| Global Certifications | CE, UL/cUL, UKCA, CCC, EAC, DNV marine certification |
| Operating Ambient Temperature | SLD mode: -10°C ~ +40°C; LD mode: -10°C ~ +50°C; derate 3% output per °C above threshold |
| Altitude Derating Rule | No power derating below 1000m; derate 3% output for every extra 500m above 1000m |









