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Wilo-Sub TWU 3

Submersible motor pump

  • For private water supply, irrigation and watering
  • For pumping water without long fibrous and abrasive particles from boreholes with a minimum diameter of 3" (DN 80) and a maximum immersion depth of up to 60 metres
Special features/Product advantages
  • Easy installation
  • Rewindable motors
  • Single-phase AC or three-phase motors
  • Vertical or horizontal installation possible
  • Integrated non-return device
Wilo-Sub TWU 3
Technical data

  • Mains connection 1~230 V, 50 Hz / 3~400 V, 50 Hz
  • Max. flow volume 2.6 m
  • Max. delivery head 125 m
  • Fluid temperature +3 °C to + 40 °C
  • Max. immersion depth 60 m
  • Max. sand content 40 g/m
  • Water speed min. 8 cm/s
  • Max. starts per hour 20
  • Protection class IP 58
  • Connections: pressure pipe Rp 1
Equipment
  • Fully submersible, multi-stage submersible pump
  • Hydraulics with motor mounted, complete
  • Integrated non-return device
  • Nema coupling
  • Cable length 1.8 m
  • Cable cross-section 4 x 1.5 mm
  • Rewindable motors
  • Single-phase alternating current version 1~230V, 50 Hz inclusive
    • Switchbox with capacitor
    • Thermal motor protection
    • On / Off switch
Description/Design
  • Hydraulics:
    • Multi-stage submersible pump with radial impellers in element construction
    • Housing in stainless steel 1.4301/AISI 304, impellers in Noryl plastic, EPDM seals
    • TWU 3: pump connection head and flange in stainless steel
    • TWU 3 Basic: pump connection head and flange in brass
    • All parts in contact with fluid are in corrosion-free materials
    • Corrosion-free single-phase AC or three-phase motor, can be rewound, and oil-filled, for direct starting
    • Self-lubricating bearing
    • The motor is cooled by the temperature and flow speed of the fluid outside the motor (8 cm/s)
Materials
  • Hydraulics:
    • Plastic impellers
    • Plastic stage housing
    • Suction housing TWU 3: Stainless steel 1.4301 (AISI 304); suction housing TWU 3 Basic: brass
    • Plastic non-return valve
    • Shaft stainless steel AISI 430 F
    • Pump housing stainless steel 1.4301 (AISI 304)
  • Motor:
    • Motor housing stainless steel 1.4301 (AISI 304)
    • Shaft end stainless steel 1.4305 (AISI 303)
Scope of delivery
  • Pump ready for connection
  • Single-phase AC version include switchbox
  • Installation and operating instructions
Wilo-Sub TWU 3
Dynamic name Name 1-phase / 3-phase Speed Rated power 
TWU 3-0145 3~ Rp 1 3~ 400 V 2800 1/min 1,1 kW 
TWU 3-0130 3~ Rp 1 3~ 400 V 2800 1/min 0,75 kW 
TWU 3-0130 1~ Rp 1 1~ 230 V 2800 1/min 0,75 kW 
TWU 3-0123 3~ Rp 1 3~ 400 V 2800 1/min 0,55 kW 
TWU 3-0123 1~ Rp 1 1~ 230 V 2800 1/min 0,55 kW 
TWU 3-0115 3~ Rp 1 3~ 400 V 2800 1/min 0,37 kW 
TWU 3-0115 1~ Rp 1 1~ 230 V 2800 1/min 0,37 kW 
TWU 3 Basic-0145 3~ Rp 1 3~ 400 V 2800 1/min 1,1 kW 
TWU 3 Basic-0130 3~ Rp 1 3~ 400 V 2800 1/min 0,75 kW 
TWU 3 Basic-0130 1~ Rp 1 1~ 230 V 2800 1/min 0,75 kW 
TWU 3 Basic-0123 3~ Rp 1 3~ 400 V 2800 1/min 0,55 kW 
TWU 3 Basic-0123 1~ Rp 1 1~ 230 V 2800 1/min 0,55 kW 
TWU 3 Basic-0115 3~ Rp 1 3~ 400 V 2800 1/min 0,37 kW 
TWU 3 Basic-0115 1~ Rp 1 1~ 230 V 2800 1/min 0,37 kW