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Wilo-Sub TWU 4

Submersible motor pump

  • For water supply, irrigation and watering, pressure boosting, reducing the groundwater level or industrial applications
  • For pumping water without long fibrous and abrasive particles from storage tanks or boreholes with a minimum diameter of 4" (= DN 100) and a maximum immersion depth of up to 200 metres
Special features/Product advantages
  • Components in contact with the fluid are corrosion-free
  • Vertical or horizontal installation possible
  • Integrated non-return device
Wilo-Sub TWU 4
Technical data

  • Mains connection 1 ~ 230 V, 50 Hz / 3 ~ 400 V, 50 Hz
  • Fluid temperature +3 bis + 30 °C
  • Immersion depth max. 200 m
  • Sand content max. 50 g/m3
  • Water speed min. 8 cm/s
  • Starts per hour , max. 20
  • Protection class IP 58
  • Connections: Pressure line depending on type Rp 1 1/4 or Rp 2
Equipment
  • Fully submersible, multi-stage submersible pump
  • Hydraulics with motor mounted, complete
  • Integrated non-return device
  • Nema-coupling
  • Cable length depending on type 1.5 / 2.5 / 4 m
  • Cable cross-section 4 x 1.5 mm²
  • Single-phase alternating current version 1~230V, 50 Hz inclusive
    • Switchbox with capacitor
    • Thermal motor protection
    • On / Off switch
Description/Design
  • Hydraulics:
    • Fully submersed, multistage submersible pump with radial (size 02.. and 04..) or semi-axial (size 08.. and 16..) impellers in element construction
    • Pressure housing, jacket pipe, stage jacket and strainer in stainless steel
    • Non-return valve installed in pump head
    • All components in contact with the fluid are of corrosion-free materials
  • Motor:
    • Corrosion-free single-phase alternating current or three-phase motor with lacquer insulated windings in hermetically encapsulated stator for direct starting
    • Sealed encapsulated stator, resin impregnated, self-lubricating bearing
    • The motor is cooled by the temperature and flow speed of the fluid outside the motor
Materials
  • Hydraulics:
    • Impellers: plastic
    • Stage housing: plastic
    • Suction housing: stainless steel 1.4301 (AISI 304);
    • Non-return valve: plastic
    • Shaft: stainless steel AISI 430 F
    • Pump housing: stainless steel 1.4301 (AISI 304);
  • Motor:
    • Shaft end: stainless steel 1.4305 (AISI 303) optionally stainless steel 1.4460 (AISI 329)
Scope of delivery
  • Pump ready for connection
  • Single-phase alternating current version including switchbox, version EMSC, also with starting capacitor
  • Installation and operating instructions
Wilo-Sub TWU 4
Dynamic name Name 1-phase / 3-phase Speed Rated power 
TWU 4-1634 3~ Rp 2 3~ 400 V 2850 1/min 7,5 kW 
TWU 4-1626 3~ Rp 2 3~ 400 V 2850 1/min 5,5 kW 
TWU 4-1619 3~ Rp 2 3~ 400 V 2850 1/min 4 kW 
TWU 4-1614 3~ Rp 2 3~ 400 V 2850 1/min 3 kW 
TWU 4-1610 EMSC Rp 2 1~ 230 V 2850 1/min 2,2 kW 
TWU 4-1610 1~ Rp 2 1~ 230 V 2850 1/min 2,2 kW 
TWU 4-1610 3~ Rp 2 3~ 400 V 2850 1/min 2,2 kW 
TWU 4-1607 EMSC Rp 2 1~ 230 V 2850 1/min 1,5 kW 
TWU 4-1607 1~ Rp 2 1~ 230 V 2850 1/min 1,5 kW 
TWU 4-1607 3~ Rp 2 3~ 400 V 2850 1/min 1,5 kW 
TWU 4-0830 3~ Rp 2 3~ 400 V 2850 1/min 5,5 kW 
TWU 4-0824 3~ Rp 2 3~ 400 V 2850 1/min 4 kW 
TWU 4-0820 3~ Rp 2 3~ 400 V 2850 1/min 3,7 kW 
TWU 4-0817 3~ Rp 2 3~ 400 V 2850 1/min 3 kW 
TWU 4-0812 EMSC Rp 2 1~ 230 V 2850 1/min 2,2 kW 
TWU 4-0812 1~ Rp 2 1~ 230 V 2850 1/min 2,2 kW 
TWU 4-0812 3~ Rp 2 3~ 400 V 2850 1/min 2,2 kW 
TWU 4-0808 EMSC Rp 2 1~ 230 V 2850 1/min 1,5 kW 
TWU 4-0808 1~ Rp 2 1~ 230 V 2850 1/min 1,5 kW 
TWU 4-0808 3~ Rp 2 3~ 400 V 2850 1/min 1,5 kW 
TWU 4-0806 EMSC Rp 2 1~ 230 V 2850 1/min 1,1 kW 
TWU 4-0806 1~ Rp 2 1~ 230 V 2850 1/min 1,1 kW 
TWU 4-0806 3~ Rp 2 3~ 400 V 2850 1/min 1,1 kW 
TWU 4-0804 EMSC Rp 2 1~ 230 V 2850 1/min 0,75 kW 
TWU 4-0804 1~ Rp 2 1~ 230 V 2850 1/min 0,75 kW 
TWU 4-0804 3~ Rp 2 3~ 400 V 2850 1/min 0,75 kW 
TWU 4-0450 3~ Rp 1¼ 3~ 400 V 2850 1/min 4 kW 
TWU 4-0445 3~ Rp 1¼ 3~ 400 V 2850 1/min 4 kW 
TWU 4-0440 3~ Rp 1¼ 3~ 400 V 2850 1/min 3 kW 
TWU 4-0430 EMSC Rp 1¼ 1~ 230 V 2850 1/min 2,2 kW 
TWU 4-0430 1~ Rp 1¼ 1~ 230 V 2850 1/min 2,2 kW 
TWU 4-0430 3~ Rp 1¼ 3~ 400 V 2850 1/min 2,2 kW 
TWU 4-0420 EMSC Rp 1¼ 1~ 230 V 2850 1/min 1,5 kW 
TWU 4-0420 1~ Rp 1¼ 1~ 230 V 2850 1/min 1,5 kW 
TWU 4-0420 3~ Rp 1¼ 3~ 400 V 2850 1/min 1,5 kW 
TWU 4-0415 EMSC Rp 1¼ 1~ 230 V 2850 1/min 1,1 kW 
TWU 4-0415 1~ Rp 1¼ 1~ 230 V 2850 1/min 1,1 kW 
TWU 4-0415 3~ Rp 1¼ 3~ 400 V 2850 1/min 1,1 kW 
TWU 4-0410 EMSC Rp 1¼ 1~ 230 V 2850 1/min 0,75 kW 
TWU 4-0410 1~ Rp 1¼ 1~ 230 V 2850 1/min 0,75 kW 
TWU 4-0410 3~ Rp 1¼ 3~ 400 V 2850 1/min 0,75 kW 
TWU 4-0407 EMSC Rp 1¼ 1~ 230 V 2850 1/min 0,55 kW 
TWU 4-0407 1~ Rp 1¼ 1~ 230 V 2850 1/min 0,55 kW 
TWU 4-0407 3~ Rp 1¼ 3~ 400 V 2850 1/min 0,55 kW 
TWU 4-0405 EMSC Rp 1¼ 1~ 230 V 2850 1/min 0,37 kW 
TWU 4-0405 1~ Rp 1¼ 1~ 230 V 2850 1/min 0,37 kW 
TWU 4-0405 3~ Rp 1¼ 3~ 400 V 2850 1/min 0,37 kW 
TWU 4-0260 EMSC Rp 1¼ 1~ 230 V 2850 1/min 2,2 kW 
TWU 4-0260 1~ Rp 1¼ 1~ 230 V 2850 1/min 2,2 kW 
TWU 4-0260 3~ Rp 1¼ 3~ 400 V 2850 1/min 2,2 kW 
TWU 4-0246 EMSC Rp 1¼ 1~ 230 V 2850 1/min 1,5 kW 
TWU 4-0246 1~ Rp 1¼ 1~ 230 V 2850 1/min 1,5 kW 
TWU 4-0246 3~ Rp 1¼ 3~ 400 V 2850 1/min 1,5 kW 
TWU 4-0232 EMSC Rp 1¼ 1~ 230 V 2850 1/min 1,1 kW 
TWU 4-0232 1~ Rp 1¼ 1~ 230 V 2850 1/min 1,1 kW 
TWU 4-0232 3~ Rp 1¼ 3~ 400 V 2850 1/min 1,1 kW 
TWU 4-0227 EMSC Rp 1¼ 1~ 230 V 2850 1/min 1,1 kW 
TWU 4-0227 1~ Rp 1¼ 1~ 230 V 2850 1/min 1,1 kW 
TWU 4-0227 3~ Rp 1¼ 3~ 400 V 2850 1/min 1,1 kW 
TWU 4-0222 EMSC Rp 1¼ 1~ 230 V 2850 1/min 0,75 kW 
TWU 4-0222 1~ Rp 1¼ 1~ 230 V 2850 1/min 0,75 kW 
TWU 4-0222 3~ Rp 1¼ 3~ 400 V 2850 1/min 0,75 kW 
TWU 4-0216 EMSC Rp 1¼ 1~ 230 V 2850 1/min 0,55 kW 
TWU 4-0216 1~ Rp 1¼ 1~ 230 V 2850 1/min 0,55 kW 
TWU 4-0216 3~ Rp 1¼ 3~ 400 V 2850 1/min 0,55 kW 
TWU 4-0211 EMSC Rp 1¼ 1~ 230 V 2850 1/min 0,37 kW 
TWU 4-0211 1~ Rp 1¼ 1~ 230 V 2850 1/min 0,37 kW 
TWU 4-0211 3~ Rp 1¼ 3~ 400 V 2850 1/min 0,37 kW