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You are here: Pressure switches, VFDs, Spare parts for pumps > Variable-frequency drive (VFD) for pumps

Product: Wall Speedbox Coelbo frequency inverter drive - SP-SP,SP-TP,TP-TP systems - Variable-frequency drive (VFD) for pumps

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Constant pressure system with inverter
Speedbox Wall drive frequency inverter

Constant pressure inverter system for pumps with single-phase or three-phase motors.

Nomenclature: SpeedBox MM - SpeedBox MT - SpeedBox TT

Company: Coelbo

Function: constant pressure management

Available versions: Single-phase/Single-phase - Single-phase/Three-phase - Three-phase/Three-phase

Technology: Adjustable-frequency drive

Heat dissipation: Forced air

Adjustment range: from 0.3Bar to 10Bar

Max power: 3kW (SpeedBox9A)

Installation: Wall-mounted installation (vertically)

Dry running protection: Yes

Restart: Yes, after 5min (and then every 30min for 24 hours)

Transducer: Included in the supply

Expansion vessel/tank: recommended (min.20% max flow of the pump)

Equipment included: electric cables and schuko plug

Why should you add the expansion vassel to the frequency inverter drive system?

The basic plant does not require the use of a compensation tank/vassel. But if you want to maximize the energy consumption and the duration of the electric pump, it's necessary to add a tank. In fact, by using a water tank continuous and repeated starts of the electric pump (due to small withdrawals and/or water leaks in the water system) are avoided; Decreasing the start/stop of the electric pump:

1) Decreases energy consumption;

2) Extends the life of the electric pump.

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How to wire a wall VFD?

All related products and accessoires:

manuale

SPEEDBOX 1314

The following products models are available for purchase:


	Inverter power supply	Pump power supply	Max power load (KW)	Max power load (A)	Shipping	VAT EXCLUSIVE

INVERTER A PARETE SPEEDBOX 1112 MM COD.S101100	V230 Monofase	V230 Monofase	1,50 kW	12,00 A	3 gg	Sconto 40 % € 834,00 € 500,40	Add to cart
INVERTER A PARETE SPEEDBOX 1010 MT COD.S101099	V230 Monofase	V230 Trifase	1,50 kW	10,00 A	4 gg	Sconto 40 % € 817,00 € 490,20	Add to cart
INVERTER A PARETE SPEEDBOX 1309 TT COD.SS101127	V400 Trifase	V400 Trifase	3,00 kW	9,00 A	3 gg	Sconto 40 % € 1.160,00 € 696,00	Add to cart
INVERTER A PARETE SPEEDBOX 1314 TT	V400 Trifase	V400 Trifase	5,50 kW	14,00 A	4 gg	Sconto 40 % € 1.470,00 € 882,00	Add to cart
INVERTER SPEEDBOX 1305 TT FUORI PRODUZIONE	V400 Trifase	V400 Trifase	2,10 kW	5,00 A	3 gg	Sconto 40 % € 914,98 € 548,99	Add to cart

Attention: the power value (maximum power load) is indicative. For a correct match with the electric pump, it is essential to verify that the amps absorbed by the electric pump do not exceed the amps allowed by the inverter.

SPEEDBOX DRIVE FREQUENCY INVERTER
The Speedbox is a drive frequency inverter designed for wall mounting. It controls and manages surface and submersible pumps, keeping constant the water pressure. It is available in three types (single-phase-single-phase, single-phase-three-phase, and three-phase-three-phase). It allows the application of pumps with 1x230 single-phase power supply, three-phase 3x400, & three-phase 3x230;

Speedboxes are intended for heavy duty professional applications and they are very easy to set up. Speedbox receives the signal for frequency modulation from the transducer (included in the supply); Speedbox can drive three-phase pumps up to 3 kW (9A).

Speedbox does not require maintenance, and the pressure transducer separated from the machine it's easy to take apart.

Speedbox models are used to control surface and submersible pumps, as well in booster sets, where they perform the Master/Slave function. Characterized by cooling, the Speedboxes combine comfort and energy savings.