Description
The Koshin Ponstar PBX7 55011 110v Manual pump (code 040-702) is a heavy-duty 2-inch submersible pump for sandy site water and clean water. It delivers up to 330 litres per minute and lifts to a maximum head of 15 metres from a 750 W motor, running on 110v, the reduced-voltage supply used on UK construction sites through a site transformer.
This is the manual version, so it runs whenever the power is on. That suits attended dewatering, or you can add the PBX/PBX7 MAC3 float later to make it automatic. The PBX7 55011 110v Automatic is the same pump with automatic operation, and the PBX 55011 110v Manual is the smaller 400 W version for jobs that need less lift.
Every PBX has an air valve that stops the pump air-locking on start-up and keeps air flowing through it to cool the motor if the water runs out, plus a thermal protector that cuts the power if the motor overheats. Twin mechanical seals (carbon and silicon carbide) run in a lubricated chamber, the capacitor-start motor gives strong starting torque, and the 2-inch outlet comes with a hose tail and can be turned to suit the hose run. For a comparison of all eight models and answers to common questions, see the Koshin Ponstar PBX and PBX7 range page.
Features
- Designed for sandy and gritty site water
- Air valve for dry-running protection and no air-lock
- Thermal protector on the motor
- Twin mechanical seals in a lubricated chamber
- 750 W motor output, 110v supply, 12.0 A
- Manual operation (MAC3 float available separately)
- 2-inch outlet with hose tail, switchable direction
- 10 metres of power cable
Applications
- Construction site and excavation dewatering on 110v
- Deep excavations and long or uphill hose runs
- Trenches, lift pits and foundations
- Flood clearance and standby
- Plant hire fleets
Not suitable for heavy silt, clay or thick mud, sewage, salt water, oil or chemicals. Koshin rates the pump for liquids between 5 and 40°C.
Models in this range
- Ponstar PBX 55022 230v Manual
- Ponstar PBX 55022 230v Automatic
- Ponstar PBX 55011 110v Manual
- Ponstar PBX 55011 110v Automatic
- Ponstar PBX7 55022 230v Manual
- Ponstar PBX7 55022 230v Automatic
- Ponstar PBX7 55011 110v Manual
- Ponstar PBX7 55011 110v Automatic

Specifications
| Model | Volt | Outlet | Flow (l/min) / Head (m) | Motor Output (W) | Power Input (W) | Amps | H x W x L (mm) | Kg | Code |
|---|---|---|---|---|---|---|---|---|---|
| PBX 55022 230v Manual | 230v | 2″ | 310/9.5 | 400 | 680 | 4.2 | 407 x 190 x 190 | 16 | 040-620 |
| PBX 55022 230v Automatic | 230v | 2″ | 310/9.5 | 400 | 680 | 4.2 | 407 x 190 x 190 | 16 | 040-620A |
| PBX 55011 110v Manual | 110v | 2″ | 310/9.5 | 400 | 690 | 8.1 | 407 x 190 x 190 | 16 | 040-624 |
| PBX 55011 110v Automatic | 110v | 2″ | 310/9.5 | 400 | 690 | 8.1 | 407 x 190 x 190 | 16 | 040-624A |
| PBX7 55022 230v Manual | 230v | 2″ | 330/15 | 750 | 1250 | 6.0 | 407 x 190 x 190 | 17 | 040-700 |
| PBX7 55022 230v Automatic | 230v | 2″ | 330/15 | 750 | 1250 | 6.0 | 407 x 190 x 190 | 17 | 040-700A |
| PBX7 55011 110v Manual | 110v | 2″ | 330/15 | 750 | 1250 | 12.0 | 407 x 190 x 190 | 17 | 040-702 |
| PBX7 55011 110v Automatic | 110v | 2″ | 330/15 | 750 | 1250 | 12.0 | 407 x 190 x 190 | 17 | 040-702A |
| PBX/PBX7 MAC3 float | 0438210 |







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