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Mitsubishi Electric FR-A741 AC Drives

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Vendor code:200025416
Mitsubishi Electric FR-A741 AC Drives
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$18.04
11
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Frequency converters FR-A700 (FR-A741, FR-A770) from Mitsubishi Electric they have outstanding performance indicators, are multifunctional and very compact in size. They use highly efficient vector engine control technology, which does not require additional sensors to measure the controlled parameters. One of the main advantages of this electric drive is its energy-saving functions, savings are made by using the energy of braking processes (recovery).

This series is ideal for working with lifting equipment, conveyors, separators (centrifugal), winders, etc. devices where production processes alternate acceleration and deceleration. The FR-A700 will help minimize unnecessary costs and save on resources used, it is easy to install and makes it easy to debug the automation system.

This product group includes two subcategories of drives: basic FR-A741 (400 V) and FR-A770 (690 V) The drive is recommended for aggressive environments.

Technical characteristics of electric drives FR-A741, FR-A770

  • Rated output current: 2.3...1212 A (with an overload capacity of 120% for 3 seconds, 110% for 1 min.);
  • Rated power supply: ~ 3f. 325...528 V;
  • Management methods – according to the U/f characteristic, advanced flow vector control, sensorless vector or vector (if an optional FR-A7AP unit is available);
  • Output frequency range – 0.2...400 Hz;
  • Frequency accuracy: analogue. input ±0.2 % of max. frequency, digital input ±0.1% of max. frequencies;
  • The control panel FR-DU07 – 4-bit 7-segment display, indicator LEDs, digital dial knob for preset frequency and parameters;
  • 2 RS485 communication interfaces - for parameterization of the drive using a PC, PLC control using Mitsubishi or Modbus protocols and connection of control panels;
  • Communication via USB interface (FR-Configurator);
  • Manual torque increase;
  • Torque limit 0...400 %;
  • Current limitation: operating threshold 0...220%, freely adjustable, including via analog input;
  • Direct current braking: operating frequency 0...120 Hz, adjustable operating time (0...10 s) and braking voltage values (0...30%);
  • Protective functions: overcurrent, overvoltage, thermal protection of the converter and motor, malfunction of the brake transistor, inrush current limiting device, analog input, CPU error;
  • Pulse input 100 kHz;
  • Built-in brake transistor and brake resistor (up to power class 00620).

Configuration of inputs/outputs of electric drives FR-A741, FR-A770

  • 3 analog programmable inputs (1 input: 0...5(10) V or 4...20 mA, 2 input: 0...±10(5) V; 3 input: 4...20 mA or 0...5(10) V);
  • 2 analog programmable outputs (1 output – current 0...20 mA; 2 output – potential 0...10 V);
  • 12 digital programmable inputs, 24 VDC. current, 4...6 mA; the AU terminal can be used as the input terminal of a PTC thermistor;
  • 5 digital programmable open collector outputs;
  • 2 programmable relay outputs: ~230 V AC /0.3A or 30 V DC. Current /0.3 A;

Optional electric drive modules FR-A741, FR-A770

FR-A7AX – 16 bit digital input;
FR-A7AY – Analog/digital output;
FR-A7AR – relay output;
FR-A7NCA – communication via the CANopen network;
FR-A7ND – over the DeviceNet network;
FR-A7NL – over the LonWorks network;
Noise-suppressing filter;
Brake block FR-BU (for power class 01800 and below), MT-BU5 (02160 and above);
Central power supply and recovery unit FR-CV (01800 and below), MT-RC (02160 and above);
Combined recovery unit and network filter FR-HC (01800 and below), MT-HC (02160 and above);
Brake resistor FR-ABR;
FR-BAL-B network choke;
FR-HEL DC choke;
The FR-A5CBL cable connects the control panels to the PU interface.

Nominal characteristics of standard sizes of electric drives FR-A741, FR-A770

Type of drive

Current, A

Power, kW

Dimensions (WxHxD), mm

FR-A741-5.5k

12

5.5

250 x 470 x 270

FR-A741-7.5k

17

7.5

250 x 470 x 270

FR-A741-11k

23

11

300 x 600 x 294

FR-A741-15k

31

15

300 x 600 x 294

FR-A741-18.5k

38

18.5

360 x 600 x 320

FR-A741-22k

44

22

390 x 600 x 320

FR-A741-30k

57

30

450 x 700 x 340

FR-A741-37k

71

37

470 x 700 x 368

FR-A741-45k

86

45

FR-A741-55k

110

55

600 x 900 x 405

FR-A777-355k-79

401

335

995 x 1580 x 440

FR-A777-400k-79

516

400

FR-A777-560k-79

611

560

FR-A777-630k-79

545

630

Buy frequency converters (electric drives) Mitsubishi Electric FR-A741 series and FR-A770 You can find out the price and more information about the product by contacting our specialists.

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