Data sheet
| Hydraulic data | |
|---|---|
| Minimum efficiency index (MEI) | ≥ 0.7 |
| Maximum operating pressure PN | 40 bar |
| Drinking water approvals | ACS (France) TrinkwV |
| Max. sand content | 50 g/m³ |
| Max. immersion depth | 350 m |
| Max. volume flow Qmax | 2.9 m³/h |
| Optimal volume flow Qopt | 1.9 m³/h |
| Max. delivery head Hmax | 166.1 m |
| Optimal delivery head Hopt | 116.2 m |
| Min. fluid temperature Tmin | 3 °C |
| Max. fluid temperature Tmax | 30 °C |
| Number of stages | 28 |
| Motor data | |
|---|---|
| Mains connection | 1~230 V, 50 Hz |
| Rated power P2 | 1.5 kW |
| Rated speed n | 2830 1/min |
| Rated current IN | 10.5 A |
| Starting current I | 42 A |
| Activation type | Direct On Line (DOL) |
| Power factor cos φ100 | 0.95 |
| Max. switching frequency t | 20 rph |
| Motor diameter DM | 98 mm |
| Cable | |
|---|---|
| Connection cable length L | 1.5 m |
| Cable cross-section | 3x1,5 + 1G1,5 |
| Materials | |
|---|---|
| Pump housing | Stainless steel |
| Impeller | Stainless steel |
| Shaft | Stainless steel |
| Motor housing | Stainless steel |
| Installation dimensions | |
|---|---|
| Pipe connection, discharge side DNd | Rp 1¼ |
Dimensions and dimensions drawings
Wilo-Sub TWI 4
Ordering information
| Product data | |
|---|---|
| Brand | Wilo |
| Product description | Sub TWI 4.02-28-EM-E |
| Article number | 6101823 |
| EAN number | 4062679566832 |
| Colour | Silver |
| Minimum order quantity | 1 |
| Date of sales availability | 2026-09-25 |
| Previous model article number | 6091323 |
| Previous model designation | Sub TWI 4.02-28-EM-D |
| Packaging | |
|---|---|
| Packaging type | Cardboard box |
| Packaging property | Transport packaging |
| Pieces per pallet | 1 |
| Number per layer | 1 |
| Dimension, weight | |
|---|---|
| Length with packaging | 1550 mm |
| Length L | 1111 mm |
| Height with packaging | 200 mm |
| Height H | 98 mm |
| Width with packaging | 200 mm |
| Width W | 98 mm |
| Gross weight, approx. m | 21.2 kg |
| Net weight, approx. m | 17.6 kg |
Fully submersible pump for vertical and horizontal installation.
For pumping in commercial areas of:
- Drinking water
- Process water with a max. sand content of 35 g/m³
Multistage hydraulics made of stainless steel with radial impellers in sectional construction. Motor connection in accordance with the NEMA standard. Discharge port with threaded flange and integrated non-return valve.
Single-phase AC motor made from stainless steel for direct start, with varnish-insulated and resin-impregnated motor windings. The motor bearings are self-lubricating. Sealing on the fluid side is achieved by a mechanical seal. The motor is designed with a water-glycol coolant and has a hydraulic connection in accordance with the NEMA standard.
To ensure the motor is cooled, always operate the pump whilst it is immersed. Strictly adhere to the limit values for the maximum fluid temperature and the minimum flow velocity.
Depending on the minimum flow velocity, vertical installation is possible with or without a cooling shroud. Always use a cooling shroud for horizontal installation to ensure the required minimum flow velocity.
Scope of delivery
- Submersible pump with connection cable
- Switchbox with capacitor, thermal motor protection and On/Off switch
- Installation and operating instructions
| Operating data | |
|---|---|
| Max. delivery head Hmax | 166.1 m |
| Unit | |
|---|---|
| Minimum efficiency index (MEI) | ≥ 0.7 |
| Pipe connection, discharge side DNd | Rp 1¼ |
| Maximum operating pressure p | 40.0 bar |
| Max. sand content | 50 g/m³ |
| Protection class motor | IP68 |
| Drinking water approvals | ACS (France) TrinkwV |
| Max. immersion depth | 350 m |
| Min. fluid temperature Tmin | 3 °C |
| Max. fluid temperature Tmax | 30 °C |
| Net weight, approx. m | 17.6 kg |
| Max. diameter Dmax | 98 mm |
| Motor data | |
|---|---|
| Motor design | Submersible motor |
| Mains connection | 1~230 V, 50 Hz |
| Rated power P2 | 1.5 kW |
| Rated speed n | 2830 1/min |
| Rated current IN | 10.5 A |
| Activation type | Direct On Line (DOL) |
| Max. switching frequency t | 20 rph |
| Motor diameter DM | 98 mm |
| Min. flow rate at the motor m/s | 0.08 m/s |
| Cable | |
|---|---|
| Connection cable length L | 1.5 m |
| Cable cross-section | 3x1,5 + 1G1,5 |
| Materials | |
|---|---|
| Pump housing | Stainless steel |
| Motor housing | Stainless steel |
| Shaft | Stainless steel |
| Impeller | Stainless steel |
| Ordering information | |
|---|---|
| Net weight, approx. m | 17.6 kg |
| Brand | Wilo |
| Product description | Sub TWI 4.02-28-EM-E |
| Article number | 6101823 |
Filtered by
Document type
Language
Datasheet and documentation
Installation and operating instructions
Wilo-Sub TWI 4..., TWI 4-...-QC
| Article Number | 6061724 |
| Issue date | 1110 |
| Edition | 01 |
| Language | da, en, et, fi, lv, mk, no, pt, sl, sr |
Wilo-Sub TWI 4..., TWI 4-...-QC
| Article Number | 6061724 |
| Issue date | 1110 |
| Edition | 01 |
| Language | en |
Group Statement
Group Statement REACH
| Issue date | 2021-05 |
| References | REACH |
| Certification and inspection body | Self Declaration |
| Issue date | 2026-04-17 |
| Language | language neutral |
UKCA
UKCA 2223456
| References | 2223456 |
| Certification and inspection body | Self Declaration |
| Issue date | 2023-02-23 |
| Language | language neutral |
UKCA 2223724
| References | 2223724 |
| Certification and inspection body | Self Declaration |
| Issue date | 2023-06-13 |
| Language | language neutral |
Standard Conformity
Standard Conformity 2223468-01
| References | 2223468-01 |
| Certification and inspection body | Self Declaration |
| Issue date | 2022-09-05 |
| Language | language neutral |
Mechanical accessories
Valves (5) | |||
Shut-off valve | |||
Ball valve Rp 1¼ | 2663979 | ||
Non-return valve | |||
Non-return valve RV/S R 1¼ | 2660840 | ||
Pressure gauge | |||
Pressure gauge 0 - 6 bar | 2028687 | ||
Pressure gauge 0 - 40 bar | 2502048 | ||
Pressure gauge 0 - 25 bar | 2660743 | ||
Installation/setup (2) | |||
Cable terminal | |||
Wire rope clamp (stainless steel) for stainless steel rope (Ø 3 mm) | 21040 | ||
Steel cable | |||
Stainless steel cable for lowering with 3 mm² cross-section | 21039 | ||
Motor cooling (2) | |||
Cooling shroud, horizontal | |||
Cooling shroud 4H, 1.4301, 500, SH3 kit | 6038901 | ||
Cooling shroud, vertical | |||
Cooling shroud 4V, 1.4301, 500 kit | 4064430 | ||
Pressure control (6) | |||
Pressure reducer | |||
Pressure reducer R ½ | 2531892 | ||
Pressure reducer R ¾ | 2531893 | ||
Pressure reducer R 1 | 2531894 | ||
Pressure reducer R 1¼ | 2531895 | ||
Pressure reducer R 1½ | 2531896 | ||
Pressure reducer R 2 | 2531897 | ||
Pressurised expansion tanks (18) | |||
Diaphragm pressure vessel DT5 junior | |||
Diaphragm expansion tank DT5 junior 60, PN 10 | 2515527 | ||
Diaphragm expansion tank DT5 junior 80, PN 10 | 2515528 | ||
Diaphragm expansion tank DT5 junior 100, PN 10 | 2515529 | ||
Diaphragm expansion tank DT5 junior 200, PN 10 | 2515530 | ||
Diaphragm expansion tank DT5 junior 300, PN 10 | 2515531 | ||
Diaphragm expansion tank DT5 junior 400, PN 10 | 2524232 | ||
Diaphragm expansion tank DT5 junior 500, PN 10 | 2515532 | ||
Diaphragm pressure vessel type D | |||
Diaphragm pressure vessel type DD (12DD-PN16) | 2515517 | ||
Type D (33D-PN10) diaphragm expansion tank | 2534897 | ||
Diaphragm pressure vessel type DE | |||
Diaphragm pressure vessel type DE (18DE-PN10) | 2502038 | ||
Diaphragm pressure vessel type DE (25DE-PN10) | 2515518 | ||
Diaphragm pressure vessel type DE (33DE-PN10) | 2515519 | ||
Diaphragm pressure vessel type DE (60DE) | 2515523 | ||
Diaphragm pressure vessel type DE (80DE) | 2515524 | ||
Diaphragm pressure vessel type DE (100DE) | 2515525 | ||
Diaphragm pressure vessel type DE (200DE) | 2511823 | ||
Diaphragm pressure vessel type DE (300DE) | 2515526 | ||
Diaphragm pressure vessel type DE (500DE) | 2511831 | ||
Electrical accessories
Pump control (4) | |||
Wilo-Control EC-WP | |||
Control EC-WP-1x12A-MT34-DOL-WM | 2552324 | ||
Control EC-WP-2x12A-MT34-DOL-WM | 2552326 | ||
Switchgear BE-WP | |||
BE-WP-1x16A-MT34-DOL | 4261867 | ||
BE-WP-1x25A-MT34-DOL | 4261868 | ||
Pump control/interface module (6) | |||
IF Modules EFC | |||
Profibus DP MCA Wilo-EFC | 2193451 | ||
DeviceNet MCA Wilo-EFC | 2193452 | ||
Profinet MCA Wilo-EFC | 2193453 | ||
Ethernet/IP MCA Wilo-EFC | 2193454 | ||
Modbus TCP MCA Wilo-EFC | 2193455 | ||
BACnet/IP MCA Wilo-EFC | 5114633 | ||
Pressure control (4) | |||
Pressure switching | |||
Pressure switching 0 – 16 bar | 2501639 | ||
Pressure switch WVA | |||
Pressure switch WVA up to 6 bar | 180492096 | ||
Pressure switch WVA up to 10 bar | 2502050 | ||
Sensor kit | |||
Sensor kit | 2501886 | ||
Break tank/accessories (5) | |||
Automatic kit | |||
Automatic kit R ½, 5 m cable | 180493296 | ||
Automatic kit R ½, 20 m cable | 2005645 | ||
Automatic kit R 1, 5 m cable | 180549795 | ||
Automatic kit R 1, 20 m cable | 2007158 | ||
Level indicator AF 400 | |||
Level indicator AF 400 | 2512862 | ||
Cable (71) | |||
Shrink sleeving connections | |||
heat-shrink connections 4 x 1.5 mm² and 2.5 mm² | 4029677 | ||
heat-shrink connections 4 x 10 mm² and 16 mm² | 4029678 | ||
heat-shrink connections 4 x 4.0 mm² and 6.0 mm² | 4059213 | ||
Motor cable | |||
cable ÖLFLEX CY 2x1,0 gr round screened | 6007452 | ||
Motor cable extension (motor cable kit QC) | |||
Motor cable kit QC 4 x 1.5 mm², 1.5 m | 4096206 | ||
Motor cable kit QC AISI 316, 4 x 1.5 mm², 1.5 m | 6080134 | ||
Motor cable extension (motor cable connector kit) | |||
Motor cable connector kit | 4087148 | ||
Quick Connect cable | |||
Motor cable QC 4 x 1,5 mm², 10 m | 4087121 | ||
Motor cable QC 4 x 1,5 mm², 20 m | 4440091 | ||
Motor cable QC 4 x 1,5 mm², 30 m | 4087122 | ||
Motor cable QC 4 x 1,5 mm², 50 m | 4087129 | ||
Motor cable QC 4 x 1,5 mm², 80 m | 4087130 | ||
Motor cable QC 4 x 1,5 mm², 100 m | 4087131 | ||
Motor cable QC 4 x 2,5 mm², 50 m | 4087132 | ||
Motor cable QC 4 x 2,5 mm², 80 m | 4087136 | ||
Motor cable QC 4 x 2,5 mm², 100 m | 4087137 | ||
Splicing kit | |||
Sealing kit 4 x 1.5 to 4 x 10 mm² | 4065698 | ||
Sealing kit 4 x 10 to 4 x 25 mm² | 4065699 | ||
Cast resin cable connector Size 0 KIT | 6001126 | ||
Cast resin cable connector Size 1a KIT | 6001127 | ||
Cast resin cable connector Size 1b KIT | 6001128 | ||
Cast resin cable connector Size 1c KIT | 6001129 | ||
Cast resin cable connector Size 1d KIT | 6001130 | ||
Cast resin cable connector Size 2a KIT | 6001131 | ||
Cast resin cable connector Size 2b KIT | 6001132 | ||
Cast resin cable connector Size 2c KIT | 6000785 | ||
Cast resin cable connector Size 2d KIT | 6001133 | ||
Cast resin cable connector Size 2e KIT | 6001134 | ||
Cast resin cable connector Size 3a KIT | 6001135 | ||
Cast resin cable connector Size 3b KIT | 6001136 | ||
Cast resin cable connector Size 3c KIT | 6001137 | ||
Cast resin cable connector Size 4 KIT | 6001138 | ||
Cast resin cable connector Size 5a KIT | 6094506 | ||
Cast resin cable connector Size 5b KIT | 6079643 | ||
Motor cable for drinking water (material sold by the metre) | |||
motor cable for drinking water 4 x 10 mm² | 6019018 | ||
motor cable for drinking water 4 x 4 mm² | 6019995 | ||
motor cable for drinking water 4 x 16 mm² | 6022013 | ||
motor cable for drinking water 4 x 25 mm² | 6038861 | ||
cable S07BB-F 3G1,5 round ACS | 6045113 | ||
cable S07BB-F 4G4 round | 6007626 | ||
cable S07BBH2-F 4G6 flat | 6007614 | ||
cable S07BBH2-F 4G25 flat | 6007547 | ||
cable S07BBH2-F 4G4 flat | 6007618 | ||
cable S07BBH2-F 4G10 flat | 6007624 | ||
cable S07BBH2-F 4G2,5 flat | 6007636 | ||
cable S07BBH2-F 4G50 flat | 6020298 | ||
cable S07BBH2-F 4G16 flat | 6020318 | ||
Motor cable for drinking water 4 inch motor | |||
Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 15 m | 6079028 | ||
Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 10 m | 6079029 | ||
Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 5 m | 6079030 | ||
Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 50 m | 6079033 | ||
Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 40 m | 6079034 | ||
Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 30 m | 6079035 | ||
Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 20 m | 6079036 | ||
Cable kit for 4 inch motors AISI 304, 4 x 1.5 mm², 2.5 m | 6091142 | ||
Cable kit for 4 inch motors AISI 304, 4 x 1.5 mm², 1.5 m | 6091143 | ||
Cable kit for 4 inch motors AISI 304, 4 x 1.5 mm², 20 m | 6091144 | ||
Cable kit for 4 inch motors AISI 304, 4 x 1.5 mm², 30 m | 6091145 | ||
Cable kit for 4 inch motors AISI 304, 4 x 1.5 mm², 40 m | 6091146 | ||
Cable kit for 4 inch motors AISI 304, 4 x 1.5 mm², 50 m | 6091147 | ||
Cable kit for 4 inch motors AISI 304, 4 x 1.5 mm², 5 m | 6091148 | ||
Cable kit for 4 inch motors AISI 304, 4 x 1.5 mm², 10 m | 6091149 | ||
Cable kit for 4 inch motors AISI 304, 4 x 1.5 mm², 15 m | 6091150 | ||
Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 15 m | 6091171 | ||
Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 5 m | 6030793 | ||
Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 2.5 m | 6007630 | ||
Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 1.5 m | 4099285 | ||
Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 50 m | 6069355 | ||
Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 40 m | 6091170 | ||
Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 30 m | 6043594 | ||
Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 20 m | 6035350 | ||
Level control (22) | |||
Float switch WA | |||
Float switch WA65 with 5 m cable | 503211390 | ||
Float switch WA65 with 10 m cable | 503211893 | ||
Float switch WA65 with 20 m cable | 2004431 | ||
Float switch WA65 with 30 m cable | 2004432 | ||
Float switch WA KR1 S with 5 m cable | 6082806 | ||
Float switch WA KR1 S with 10 m cable | 6082807 | ||
Submersible electrode | |||
Submersible electrode, 3 m | 500183799 | ||
Submersible electrode, 4 m | 2516278 | ||
Submersible electrode, 5 m | 500937990 | ||
Submersible electrode, 10 m | 2501937 | ||
Submersible electrode, 20 m | 2516283 | ||
Submersible electrode, 25 m | 2000601 | ||
Submersible electrode, 30 m | 2514045 | ||
Submersible electrode, 35 m | 2516284 | ||
Submersible electrode, 40 m | 2516285 | ||
Submersible electrode, 50 m | 2500315 | ||
Submersible electrode without cable | 64873 | ||
Electrode cable H07RN-F 1x1.5 mm² | 64904 | ||
Float switch WAO | |||
Float switch WAO 65, 5 m cable | 503211595 | ||
Float switch WAO 65, 10 m cable | 2006027 | ||
Float switch WAO 65, 20 m cable | 2004429 | ||
Float switch WAO 65, 30 m cable | 2004430 | ||
With Wilo as your partner, you can not only be sure of choosing high-quality product solutions, but also of benefiting from a comprehensive, worry-free package of well thought-out services. We collaborate to develop a service concept tailored to your individual needs; with our expertise and personal consultancy, we make sure that the operation of your systems is as energy-efficient, reliable and economical as possible. All the while our competent Wilo service technicians are ready to assist you with fast, reliable and on-time support.
Read moreExtended Warranty | |||
Extended Warranty borehole/submersible pump TWU/TWI 3"-5" | 2219597 | ||
Supervision | |||
Supervision borehole/submersible pump TWU/TWI 3"-5" | 2219331 | ||
Installation | |||
Installation borehole/submersible pump TWU/TWI 3"-5" | 2219366 | ||
Commissioning | |||
Commissioning borehole/submersible pump TWU/TWI 3"-5" | 2219397 | ||
Maintenance | |||
Maintenance BASIC borehole/submersible pump TWU/TWI 3"-5" | 2219537 | ||
Maintenance COMFORTborehole/submersible pump TWU/TWI 3"-5" | 2219499 | ||
Maintenance PREMIUM borehole/submersible pump TWU/TWI 3"-5" | 2219552 | ||
System Optimisation | |||
System Optimisation borehole/submersible pump TWU/TWI 3"-5" | 2219261 | ||
Energy Solutions | |||
Energy Solutions borehole/submersible pump TWU/TWI 3"-5" | 2219296 | ||
Repairs | |||
Repair borehole/submersible pump TWU/TWI 3"-5" | 2219620 | ||
