MIDA (AC)

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MIDA AC Overview

Next generation of solar pumping inverter. Ideal for any kind of solar pumping application

Allows:

  • Energy saving due to variable speed control.
  • Soft start and soft stop.
  • Extended system life and reliability.
  • Installation on humid and dusty environments made possible by IP55 (NEMA 4) protection degree.
  • Simplified installation on motor or wall.
  • Easy and fast commissioning thanks to initial configuration wizard.
  • High thermal and mechanical performance thanks to aluminium case and independent ventilation.

 

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Extended system life and reliability.

The average speed of a pump driven by MIDA is inevitably lower than a comparable fixed speed pump. This reduces component wear such as bearings, bushings, seals, etc. MIDA also starts and stops the pump gently, reducing the mechanical stress on the shaft and impellers and avoiding water hammer. Hardware and software protections provided by MIDA prevent any damage to the pump and the system. At lower speeds, the system will also generate less noise.

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Energy saving due to variable speed control.

The power consumed by the pump is proportional to the cube of its speed. Unlike traditional systems where the pump speed is fixed and controlled by the mains frequency (@ 50 Hz, about 3000 rpm), MIDA is able to vary the pump speed according to water demand. In the presence of low demand, MIDA controls the pump at a reduced speed, which consumes less power. For example, if the pump turns at 40 Hz (about 2400 rpm) instead the nominal 50 Hz (about 3000 rpm), power consumption would be half.

Complete pump protection

Built-in protections against:

  • Overvoltage and undervoltage.
  • Overcurrent and no load.
  • Dry running.
  • Overtemperature.
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Design

High thermal and mechanical performance thanks to aluminium case and independent ventilation.

Installation on humid and dusty environments made possible by IP55 (NEMA 4) protection degree.

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Simplified installation on motor or wall.

Motor on-board installation

MIDA can be installed directly on motor terminal box, after verification of coupling size.
The on-board motor installation is possible with both horizontal and vertical axis pumps.
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Wall fixing

MIDA is cooled by an its dedicated cooling fan and it can be mounted to the wall through the use of 4 scews.

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EMC compatibility for residential environment on single phase models

  • Integrated PFC (P.F. 1) to meet EN61000-3-2
  • Integrated input filter for Category C1 (EN61800-3), Class B (EN55011)
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MIDA AC Technical Specifications

Model Vin ± 15% Max V out Max I in Max I out P2 motor power* Size
VAC VAC A A kW
MIDA 203 1 x 230 3 x Vin 4,5 3 0,55 1
MIDA 205 1 x 230 3 x Vin 7,5 5 1,1 1
MIDA 207 1 x 230 3 x Vin 11 7,5 1,5 1
MIDA 304 3 x 230 3 x Vin 3,7 4 0,75 1
MIDA 306 3 x 230 3 x Vin 5,4 6 1,1 1
MIDA 309 3 x 230 3 x Vin 8 9 2,2 1
MIDA 314 3 x 230 3 x Vin 13,5 14 3 2
MIDA 318 3 x 230 3 x Vin 17,5 18 4 2
MIDA 325 3 x 230 3 x Vin 24 25 5,5 2
MIDA 330 3 x 230 3 x Vin 29 30 7,5 2
MIDA 338 3 x 230 3 x Vin 36,5 38 9,3 2
MIDA 344 3 x 230 3 x Vin 42 44 11 2
MIDA 404 3 x 380 – 460 3 x Vin 3,7 4 1,1 1
MIDA 406 3 x 380 – 460 3 x Vin 5,4 6 2,2 1
MIDA 409 3 x 380 – 460 3 x Vin 8 9 4 1
MIDA 414 3 x 380 – 460 3 x Vin 13,5 14 5,5 2
MIDA 418 3 x 380 – 460 3 x Vin 17,5 18 7,5 2
MIDA 425 3 x 380 – 460 3 x Vin 24 25 11 2
MIDA 430 3 x 380 – 460 3 x Vin 29 30 15 2
MIDA 438 3 x 380 – 460 3 x Vin 36,5 38 18,5 2
MIDA 444 3 x 380 – 460 3 x Vin 42 44 22 2

* Typical motor power. It is recomended refer to rated motor current when selecting MIDA model.

General specifications

Rated frequency 50 – 60 Hz (+/- 2%)
Ambient temperature -10 – 40°C (14 – 104°F)
Max. altitude at rated current 1000 m
Protection degree IP66
Settable digital outputs N.O. or N.C 1. Motor run signal2. Alarm signal
Analog inputs (10 o 15 VDC)

 1. 4-20 mA2. 4-20 mA

3. 0 – 10 VDC

4. 0 – 10 VDC

Digital inputs 4 digital inputs, configurable N.O. or N.C. for motor run/stop
RS485 MODBUS RTU Bluetooth® SMART (4.0)
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