Ebara 1 GPE 400v
Ebara 1 GPE Matrix 3-6T/0.9 ESPT 400v
- Established 1975
- Trusted by thousands of customers
The Ebara 1GPE MATRIX 3-6T/0.9 ESPT is a compact single-pump variable speed booster set. A six-stage Matrix 3 horizontal multistage pump in AISI 304 stainless steel is driven by a 0.9 kW IE3 motor with a motor-mounted E-SPD+ inverter, pressure transmitter, five-way check valve, 2-litre membrane vessel and pressure gauge.
The drive holds a constant set pressure as demand changes, from 1.2 m³/h up to 4.8 m³/h. It runs from a 400 V three-phase supply and connects through a G1 suction and a G1 discharge.
E-SPD+ inverter
AISI 304 stainless
G1 / G1 connections
IP55
18.1 kg
More about this product
Ebara 1GPE MATRIX 3-6T/0.9 ESPT Overview
The 1GPE MATRIX 3-6T/0.9 ESPT is the six-stage, 0.9 kW model in Ebara’s one-pump Matrix 3 GPE booster range, for a 400 V three-phase supply. The E-SPD+ inverter, 4–20 mA pressure transmitter, five-way check valve, 2-litre membrane vessel and gauge are all built onto the pump, so it installs like a single pump with one suction and one discharge connection.
The E-SPD+ changes pump speed to hold a constant set pressure, so the set runs only as fast as demand needs. That gives steadier pressure, lower energy use and less wear than a fixed-speed pump with a pressure switch. It delivers from 1.2 m³/h up to 4.8 m³/h, with around 67.8 m of head at shut-off. It suits small buildings, flats, garden irrigation and washdown where a 400 V three-phase supply is available.
Key Features
What’s in the Set
| Part | Qty |
|---|---|
| Matrix 3-6T electropump (pump and 0.9 kW motor) | 1 |
| E-SPD+ inverter | 1 |
| E-SPD+ adaptor | 1 |
| Pressure transmitter | 1 |
| Five-way check valve, AISI 304 | 1 |
| Membrane vessel, 2 litre | 1 |
| Pressure gauge | 1 |
Technical Specifications
| Specification | Value |
|---|---|
| Booster set | 1GPE MATRIX 3-6T/0.9 ESPT |
| Pump | 1 × Matrix 3-6T horizontal multistage, 6 stages, 2-pole |
| Flow range | 1.2–4.8 m³/h |
| Head at minimum / maximum flow | 62.7 m / 24.0 m |
| Shut-off head | 663.85 kPa (approx. 67.8 m, 6.6 bar) |
| Maximum working pressure | 1000 kPa (10 bar) |
| Impeller diameter | 99 mm |
| Suction / discharge | G1 F / G1 F, threaded, PN10 |
| Motor | 0.9 kW, IE3, TEFC, 2-pole, 2850 rpm |
| Motor current | 2.5 A at 400 V |
| Protection / insulation | IP55 / Class F |
| Sound level | 62 dB(A) at 1 m (±2.5 dB) |
| Supply | 400 V three phase, 50 Hz (E-SPD+ ESPT) |
| Inverter | E-SPD+ TT: 400 V three phase in, 400 V three phase out, up to 12 A input, IP55 |
| Liquid temperature | 0 to 80 °C, clean water free of solids |
| Ambient temperature | 0 to 40 °C, up to 1000 m above sea level |
| Overall size (L × W × H) | 444 × 243 × 461 mm |
| Weight | 18.1 kg |
| Packed size / weight | 320 × 515 × 300 mm, 20.1 kg |
Performance
Duty points at 50 Hz (full speed), from Ebara’s GPE data sheet for the same pump and motor (ISO 9906:2012 Grade 3B). The E-SPD+ reduces speed to hold the set pressure at lower demand.
| Flow (m³/h) | 0 | 1.2 | 2 | 3 | 4 | 4.8 |
|---|---|---|---|---|---|---|
| Head (m) | 67.8 | 62.7 | 57.2 | 47.8 | 35.5 | 24.0 |
Materials
| Component | Material |
|---|---|
| Impellers, pump casing, external pump casing | AISI 304 |
| Shaft | AISI 304 |
| Mechanical seal | Carbon rotary / ceramic stationary faces, EPDM gasket and bellows, EN 1.4402 (AISI 316) spring, frame and retainer |
| O-rings | EPDM |
| Five-way check valve | AISI 304 / silicone |
| Pressure transmitter | AISI 304 / AISI 316L |
| Pressure gauge | Copper alloy / plastic |
| Motor casing and pump bracket | Aluminium |
Installation Notes
Frequently Asked Questions
Standard delivery:
Standard delivery is free on most orders. Some items may incur a delivery charge depending on weight, size or value. Any applicable charge will be displayed at checkout.
Deliveries will typically be made between 7am and 6pm, Monday to Friday (excluding public holidays).
Next day delivery:
Next working day delivery is available for a £16.50 + VAT delivery charge.
Orders must be placed before 12 noon to qualify for next working day delivery. Orders placed after 12 noon on Thursday but before noon on Friday will be delivered the following Monday. Orders placed after 12 noon on Friday will be delivered on Tuesday.
Pallet/Large/Difficult items:
Some large, heavy or difficult to transport items may incur an additional delivery charge. Please contact us for a delivery quote before ordering.
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Frequently Asked Questions
Quick answers to common questions about the Ebara 1 GPE Matrix 3-6T/0.9 ESPT 400v. For technical specifications, see the product details above; for sizing or installation advice, contact our team. If you have any other questions, we're happy to help.
What is a water booster pump?
A water booster pump increases the pressure of an existing water supply to give stronger flow at taps, showers and appliances. It can be a small inline pump fitted to the incoming mains, or a larger pump and tank set that draws from a break tank to feed the whole house. Boosters do not create water – they raise the pressure of the water already coming in.
What is the difference between an inline booster and a tank-and-pump booster?
An inline booster connects straight onto the incoming mains and is limited to 12 litres per minute under UK water regulations – examples include the Salamander HomeBoost and WaterBoost WB-Compact. A tank-and-pump booster, such as the Grundfos Home Booster or DAB Esybox with Esytank, draws from a break tank and can deliver much higher flow rates for larger homes with multiple bathrooms.
What is a variable speed booster pump?
A variable speed booster uses an inverter to adjust pump speed in real time to match demand. It maintains constant pressure as outlets open and close, runs more quietly than a fixed-speed pump and typically saves up to 50 per cent of the energy a fixed-speed equivalent would use. The DAB Esybox, DAB Esybox Mini 3 and Grundfos Scala2 are common variable speed examples.