# Frequency inverters

> Italtecnica Sirio and other variable frequency drives: constant pressure, soft start and pump protection. Sized by motor current, delivery across Ukraine.

[Catalogue](https://watertrade.com.ua/en/catalogue.md) › [Pumps](https://watertrade.com.ua/en/catalogue/nasosy.md) › [Frequency inverters](https://watertrade.com.ua/en/catalogue/nasosy/castotnye-preobrazovateli.md)

Web page: https://watertrade.com.ua/en/catalogue/nasosy/castotnye-preobrazovateli/products · Other languages: [UA](https://watertrade.com.ua/catalogue/nasosy/castotnye-preobrazovateli/products.md), [RU](https://watertrade.com.ua/ru/catalogue/nasosy/castotnye-preobrazovateli/products.md)

A variable frequency drive changes the pump speed so the pressure in the house stays the same with one tap open or three. The pump starts gently, without water hammer, and at low demand it runs slower and uses less electricity.

The drive is chosen by motor current and supply type. With one, a small 2–8 L pressure tank is enough. If your pump keeps switching on and off, the causes are covered in [“Why a pump short-cycles”](https://watertrade.com.ua/en/articles/article/nasos-chasto-vklyuchaetsya).

## Products (17)

- [Inverter E-Power MM08A, 230VAC 1,5HP Cascade](https://watertrade.com.ua/en/catalogue/nasosy/castotnye-preobrazovateli/product/invertor-e-power-mm08a-230vac-15hp-kaskad.md) — 21 141 UAH
- [Inverter E-Power MM08A, 230VAC 1.5 HP](https://watertrade.com.ua/en/catalogue/nasosy/castotnye-preobrazovateli/product/invertor-e-power-mm08a-230vac-15-hp.md) — 19 128 UAH
- [Inverter E-Power MT 10A, 230VAC 3HP](https://watertrade.com.ua/en/catalogue/nasosy/castotnye-preobrazovateli/product/invertor-e-power-mt-10a-230vac-3hp.md) — 19 128 UAH
- [Inverter E-Power MT 10A, 230VAC, 3HP,Cascade](https://watertrade.com.ua/en/catalogue/nasosy/castotnye-preobrazovateli/product/invertor-e-power-mt-10a-230vac-3hpkaskad.md) — 21 141 UAH
- [Inverter E-SPD MT 2200](https://watertrade.com.ua/en/catalogue/nasosy/castotnye-preobrazovateli/product/invertor-e-spd-mt-2200.md) — 32 870 UAH
- [Inverter E-SPD TT 4000](https://watertrade.com.ua/en/catalogue/nasosy/castotnye-preobrazovateli/product/invertor-e-spd-tt-4000.md) — 40 522 UAH
- [Inverter MIDA 203-0131 MY17 0,55kW](https://watertrade.com.ua/en/catalogue/nasosy/castotnye-preobrazovateli/product/invertor-mida-203-0131-my17-055kvt.md) — 22 299 UAH; Power: 0.55 kW
- [Inverter MIDA 205-0131 MY17 1,1kW](https://watertrade.com.ua/en/catalogue/nasosy/castotnye-preobrazovateli/product/invertor-mida-205-0131-my17-11kvt.md) — 23 658 UAH; Power: 1.1 kW
- [Inverter MIDA 207-0131 MY17 1,5kW](https://watertrade.com.ua/en/catalogue/nasosy/castotnye-preobrazovateli/product/invertor-mida-207-0131-my17-15kvt.md) — 26 326 UAH; Power: 1.5 kW
- [Inverter VASCO 209-0111 to 1,5kW](https://watertrade.com.ua/en/catalogue/nasosy/castotnye-preobrazovateli/product/invertor-vasco-209-0111-do-15kvt.md) — 36 243 UAH; Power: 1.5 kW
- [Inverter VASCO 214 NEW -0111 to 3,0 kW (n.3001620510)](https://watertrade.com.ua/en/catalogue/nasosy/castotnye-preobrazovateli/product/invertor-vasco-214-new-0111-do-30-kvt-n3001620510.md) — 47 821 UAH; Power: 3.0 kW
- [Inverter VASCO 406-0111 to 2,2kW](https://watertrade.com.ua/en/catalogue/nasosy/castotnye-preobrazovateli/product/invertor-vasco-406-0111-do-22kvt.md) — 53 358 UAH; Power: 2.2 kW
- [Inverter VASCO 409 NEW -0111 to 4,0kW](https://watertrade.com.ua/en/catalogue/nasosy/castotnye-preobrazovateli/product/invertor-vasco-409-new-0111-do-40kvt.md) — 74 097 UAH; Power: 4.0 kW
- [Inverter VASCO 414-0111 to 5,5kW](https://watertrade.com.ua/en/catalogue/nasosy/castotnye-preobrazovateli/product/invertor-vasco-414-0111-do-55kvt.md) — 91 212 UAH; Power: 5.5 kW
- [Inverter VASCO 418-0111 to 7,5kW](https://watertrade.com.ua/en/catalogue/nasosy/castotnye-preobrazovateli/product/invertor-vasco-418-0111-do-75kvt.md) — 107 370 UAH; Power: 7.5 kW
- [Frequency inverter Sirio Universal](https://watertrade.com.ua/en/catalogue/nasosy/castotnye-preobrazovateli/product/castotnyj-preobrazovatel-sirio-universal.md) — 9 936 UAH
- [Frequency inverter Sirio Universal XP2,0 (SX2.251-MM-0)](https://watertrade.com.ua/en/catalogue/nasosy/castotnye-preobrazovateli/product/castotnyj-preobrazovatel-sirio-universal-xp20-sx2251-mm-0.md) — 14 582 UAH

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