Sub TWU 3-0123 (3~400 V, 50 Hz) | Wilo

Sub TWU 3-0123 (3~400 V, 50 Hz)

Technical data
Tender text

Fully submersible, multistage submersible pump with radial impellers in sectional construction for vertical or horizontal installation, with built-in non-return valve. Corrosion-free single-phase or three-phase AC motor for direct starting, with rewindable oil-filled motor and self-lubricating bearings. The motor is cooled by the fluid. Therefore, the unit must always be operated immersed. Cooling jacket is required for horizontal installation. For pumping water out of boreholes with a maximum immersion depth of 150 m and a max. sand content of 50 g/m³.

Scope of delivery:

  • Hydraulics + motor fully mounted
  • Connecting cable approved for drinking water
  • Single-phase version including switchbox with capacitor, thermal motor protection and On/Off switch
  • Installation and operating instructions
Operating data
Fluid media
Max. delivery head H
67 m
Pipe connection on the pressure side DNd
Rp 1
Maximum operating pressure p
40.0 bar
Max. sand content
50 g/m³
Protection class motor
Max. immersion depth
60 m
Min. fluid temperature Tmin
3 °C
Max. fluid temperature Tmax
35 °C
Net weight, approx. m
11 kg
Motor data
Mains connection
3~400 V, 50 Hz
Rated power P2
0.55 kW
Rated speed n
2800 1/min
Rated current IN
2.5 A
Activation type
Direct online (DOL)
Max. switching frequency t
30 1/h
Motor diameter DM
72 mm
Min. flow rate at the motor m/s
0.08 m/s
Connection cable length
1.8 m
Cable cross-section
4G1,5 mm²
Pump housing
Stainless steel
Motor housing
Stainless steel
Stainless steel
Information for order placements
Net weight, approx. m
11 kg
Product description
Sub TWU 3-0123 (3~400 V, 50 Hz)
Article number

Certificate REACH (Documents)

REACH regulation

Edition 2020-08
Page format 209.9 x 297.0 mm
Number of pages 2
PDF (158 KB)