Mitsubishi Automation E840 Series AC Frequency Inverter for 7.5kW 400V 3 Ph motor to 17A at High Overload (ND) or 11KW to 19.6A when Fan/Pump (LD) rated. Operates in VxF or Sensorless Vector control and converts three phase 400V input to three phase 400V to control the speed of a standard AC Induction Motor or Permanent Magnet Synchronous Motor.
Overload Rating (Normal Duty – ND – Default Setting)
Output: 17A, 7.5kW at 400V
Overload: 150% for 60 Seconds, 200% for 3 seconds
Overload Rating (Light Duty – LD)
Output: 19.6A, 11kW at 400V
Overload: 120% for 60 seconds, 150% for 3 seconds
Size 5: 220mm Wide x 147mm Deep x 150mm High
Protection: IP20
2.4kG
Speed Control Range: 0.2 to 400Hz.
Braking (DBr): Fitted with Internal Braking Switch. Fit external Braking Resistor if this feature is required. Braking resistor is not supplied see linked products below. Minimum resistor 67 ohms.
Fixed Keypad with Front Mounted Potentiometer.
2 x Analogue Inputs, 7 Digital Inputs, 1 Analogue Output, 1 Relay Contact set and 2 Digital Outputs.
Fieldbus: RS485, MODBUS RTU Protocol via PU Connector. For connection details see the communications manual below.
Programmable from the Keypad, PC via FR-Configurator software, or from the 10 key hand-held parameter unit (see Linked Products below).
Safety Features: Safe Torque Off (STO) up to SIL2/PLd. Links need to be removed and replaced with suitable safety circuit to activate. Dual Channel Input and Monitor Output.
EMC Filter: None (Unfiltered). See linked products below for external footprint EMC Filter Module.
Input Current (ND): 24.9A Can be improved to 17A if an additional DC Choke is fitted (see linked products below)
Input Current (LD): 32.4A can be improved to 23A if an additional DC Choke is fitted (see linked products below)
Input Voltage: 380-480V single phase -15%, +10% at 50/60Hz +/- 5%.
Cubicle Mount
Ambient Temperature 50°C
Mount via 4 x 5mm holes on 208mm x 138mm centres
Ventilation Space: 100mm above, 100mm below, 10mm at sides and 10mm in front.
Heat Loss at max output: 197W (ND), 299W (LD)
Full part number is: FR-E840-0170-4-60. Replaces: FR-E740-170SC-EC. Alternative Part Number: FR-E840-7.5K-4-60