Sub TWU 4.08-10-EM-C | Submersible pump | Wilo

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Sub TWU 4.08-10-EM-C

Name: Sub TWU 4.08-10-EM-C
Brand: Wilo
SKU: 6081621

Submersible pump

Article number: 6081621

Series Sub TWU 4

Data sheet

Hydraulic data
Minimum efficiency index (MEI)	0.4
Maximum operating pressure PN	7 bar
Max. sand content	50 g/m³
Max. immersion depth	200 m
Max. volume flow Q_max	13.0 m³/h
Optimal volume flow Q_opt	7.2 m³/h
Max. delivery head H_max	67.1 m
Optimal delivery head H_opt	46.94 m
Min. fluid temperature T_min	3 °C
Max. fluid temperature T_max	30 °C
Number of stages	10

Motor data
Mains connection	1~230 V, 50 Hz
Rated power P₂	1.5 kW
Rated speed n	2869 1/min
Rated current I_N	10.1 A
Starting current I	36.5 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	1.8 m
Cable cross-section	4G1,5

Materials
Pump housing	Stainless steel
Impeller	PPE
Shaft	Stainless steel
Motor housing	Stainless steel

Installation dimensions
Pipe connection, discharge side DNd	Rp 2

Ordering information

Product data
Brand	Wilo
Product description	Sub TWU 4.08-10-EM-C
Article number	6081621
EAN number	4048482738673
Colour	Silver
Minimum order quantity	1
Date of sales availability	2017-03-01

Packaging
Packaging type	Cardboard box
Packaging property	Transport packaging
Pieces per pallet	1
Number per layer	1

Dimension, weight
Length with packaging	1150 mm
Length L	860 mm
Height with packaging	200 mm
Height H	98 mm
Width with packaging	200 mm
Width W	98 mm
Gross weight, approx. m	20.6 kg
Net weight, approx. m	18.6 kg

Fully submersible, multistage submersible pump with radial or semi-axial 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 water-glycol filling. Hermetically sealed with enamel-insulated windings, resin-impregnated and self-lubricating bearings. The motor is cooled by the pumped fluid. Therefore, the unit must always be operated immersed. Horizontal installation must be performed in conjunction with a cooling jacket.

For pumping water out of boreholes with a maximum immersion depth of 200 m and a max. sand content of 50 g/m³.

Scope of delivery:

Hydraulics + motor completely assembled
Connection 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
Max. delivery head H_max	67.1 m

Unit
Minimum efficiency index (MEI)	0.4
Pipe connection, discharge side DNd	Rp 2
Maximum operating pressure p	40.0 bar
Max. sand content	50 g/m³
Protection class motor	IP68
Max. immersion depth	200 m
Min. fluid temperature T_min	3 °C
Max. fluid temperature T_max	30 °C
Net weight, approx. m	18.6 kg
Max. diameter D_max	98 mm

Motor data
Motor design	Submersible motor
Mains connection	1~230 V, 50 Hz
Rated power P₂	1.5 kW
Rated speed n	2869 1/min
Rated current I_N	10.1 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	0.079999999999956 m/s

Cable
Connection cable length L	1.8 m
Cable cross-section	4G1,5

Materials
Pump housing	Stainless steel
Motor housing	Stainless steel
Shaft	Stainless steel
Impeller	PPE

Ordering information
Net weight, approx. m	18.6 kg
Brand	Wilo
Product description	Sub TWU 4.08-10-EM-C
Article number	6081621

Mechanical accessories

Valves (9)
Shut-off valve
	Ball valve Rp 2	2545727	on request

Full-stroke safety valve
	Full-stroke safety valve R ¾, PN 10	500814696	GBP 871.-
	Full-stroke safety valve R ¾, PN 16	2007147	GBP 867.-
	Full-stroke safety valve R 1, PN 16	2007146	GBP 1,156.-
	Full-stroke safety valve R 1¼, PN 16	500814891	GBP 1,225.-

Non-return valve
	Non-return valve RV/S R 2	2660841	GBP 426.-

Pressure gauge
	Pressure gauge 0 - 6 bar	2028687	GBP 27.-
	Pressure gauge 0 - 40 bar	2502048	on request
	Pressure gauge 0 - 25 bar	2660743	GBP 35.-


Installation/setup (2)
Cable terminal
	Wire rope clamp (stainless steel) for stainless steel rope (Ø 3 mm)	21040	GBP 35.-

Steel cable
	Stainless steel cable for lowering with 3 mm² cross-section	21039	GBP 35.-


Motor cooling (2)
Cooling shroud, horizontal
	Cooling shroud 4H, 1.4301, 500, SH2 kit	6037935	GBP 948.-

Cooling shroud, vertical
	Cooling shroud 4V, 1.4301, 500 kit	4064430	GBP 452.-


Pressure control (6)
Pressure reducer
	Pressure reducer R ½	2531892	GBP 100.-
	Pressure reducer R ¾	2531893	GBP 237.-
	Pressure reducer R 1	2531894	GBP 242.-
	Pressure reducer R 1¼	2531895	GBP 444.-
	Pressure reducer R 1½	2531896	GBP 752.-
	Pressure reducer R 2	2531897	GBP 774.-


Pressurised expansion tanks (43)
Diaphragm pressure vessel DT5 Duo
	Diaphragm expansion tank DT5 Duo 80, PN 10	2521290	on request
	Diaphragm expansion tank DT5 Duo 100, PN 10	2521291	on request
	Diaphragm expansion tank DT5 Duo 200, PN 10	2521292	on request
	Diaphragm expansion tank DT5 Duo 300, PN 10	2521293	on request
	Diaphragm expansion tank DT5 Duo 400, PN 10	2524222	on request
	Diaphragm expansion tank DT5 Duo 500, PN 10	2521294	on request
	Diaphragm expansion tank DT5 Duo 600, PN 10	2524210	on request
	Diaphragm expansion tank DT5 Duo 800, PN 10	2524211	on request
	Diaphragm expansion tank DT5 Duo 1000, PN 10	2524212	on request
	Diaphragm expansion tank DT5 Duo 1500, PN 10	2521621	on request
	Diaphragm expansion tank DT5 Duo 2000, PN 10	2518132	on request
	Diaphragm expansion tank DT5 Duo 3000, PN 10	2528374	on request
	Diaphragm expansion tank DT5 Duo 80, PN 16	2524213	on request
	Diaphragm expansion tank DT5 Duo 100, PN 16	2524214	on request
	Diaphragm expansion tank DT5 Duo 200, PN 16	2524215	on request
	Diaphragm expansion tank DT5 Duo 300, PN 16	2524216	on request
	Diaphragm expansion tank DT5 Duo 400, PN 16	2524217	on request
	Diaphragm expansion tank DT5 Duo 500, PN 16	2524218	on request
	Diaphragm expansion tank DT5 Duo 600, PN 16	2524219	on request
	Diaphragm expansion tank DT5 Duo 800, PN 16	2524220	on request
	Diaphragm expansion tank DT5 Duo 1000, PN 16	2524221	on request
	Diaphragm expansion tank DT5 Duo 1000, PN 16	2528376	on request
	Diaphragm expansion tank DT5 Duo 1500, PN 16	2525744	on request
	Diaphragm expansion tank DT5 Duo 2000, PN 16	2528430	on request
	Diaphragm expansion tank DT5 Duo 3000, PN 16	2528375	on request

Diaphragm pressure vessel DT5 junior
	Diaphragm expansion tank DT5 junior 60, PN 10	2515527	on request
	Diaphragm expansion tank DT5 junior 80, PN 10	2515528	on request
	Diaphragm expansion tank DT5 junior 100, PN 10	2515529	on request
	Diaphragm expansion tank DT5 junior 200, PN 10	2515530	on request
	Diaphragm expansion tank DT5 junior 300, PN 10	2515531	GBP 1,835.-
	Diaphragm expansion tank DT5 junior 400, PN 10	2524232	on request
	Diaphragm expansion tank DT5 junior 500, PN 10	2515532	on request

Diaphragm pressure vessel type D
	Diaphragm pressure vessel type DD (12DD-PN16)	2515517	on request
	Type D (33D-PN10) diaphragm expansion tank	2534897	on request

Diaphragm pressure vessel type DE
	Diaphragm pressure vessel type DE (18DE-PN10)	2502038	on request
	Diaphragm pressure vessel type DE (25DE-PN10)	2515518	on request
	Diaphragm pressure vessel type DE (33DE-PN10)	2515519	on request
	Diaphragm pressure vessel type DE (60DE)	2515523	GBP 725.-
	Diaphragm pressure vessel type DE (80DE)	2515524	GBP 842.-
	Diaphragm pressure vessel type DE (100DE)	2515525	GBP 1,427.-
	Diaphragm pressure vessel type DE (200DE)	2511823	GBP 1,533.-
	Diaphragm pressure vessel type DE (300DE)	2515526	GBP 1,601.-
	Diaphragm pressure vessel type DE (500DE)	2511831	GBP 3,497.-

Electrical accessories

Pump control (2)
Switchgear BE-WP
	BE-WP-1x16A-MT34-DOL	4261867	on request
	BE-WP-1x25A-MT34-DOL	4261868	on request


Pump control/interface module (5)
IF Modules EFC
	Profibus DP MCA Wilo-EFC	2193451	GBP 550.-
	DeviceNet MCA Wilo-EFC	2193452	GBP 498.-
	Profinet MCA Wilo-EFC	2193453	GBP 816.-
	Ethernet/IP MCA Wilo-EFC	2193454	GBP 816.-
	Modbus TCP MCA Wilo-EFC	2193455	GBP 816.-


Pressure control (9)
Pressure sensor for systems
	Pressure sensor, 0 - 6 bar	2550660	GBP 382.-
	Pressure sensor, 0 - 10 bar	2550661	GBP 438.-
	Pressure sensor, 0 - 16 bar	2550662	GBP 444.-
	Pressure sensor, 0 - 25 bar	2550663	GBP 427.-
	Pressure sensor, 0 - 40 bar	2550664	GBP 450.-

Pressure switching
	Pressure switching 0 – 16 bar	2501639	GBP 979.-

Pressure switch WVA
	Pressure switch WVA up to 6 bar	180492096	GBP 1,828.-
	Pressure switch WVA up to 10 bar	2502050	GBP 782.-

Sensor kit
	Sensor kit	2501886	GBP 933.-


Break tank/accessories (5)
Automatic kit
	Automatic kit R ½, 5 m cable	180493296	GBP 948.-
	Automatic kit R ½, 20 m cable	2005645	GBP 784.-
	Automatic kit R 1, 5 m cable	180549795	GBP 1,700.-
	Automatic kit R 1, 20 m cable	2007158	GBP 650.-

Level indicator AF 400
	Level indicator AF 400	2512862	GBP 1,856.-


Cable (71)
Shrink sleeving connections
	heat-shrink connections 4 x 1.5 mm² and 2.5 mm²	4029677	GBP 141.-
	heat-shrink connections 4 x 10 mm² and 16 mm²	4029678	GBP 156.-
	heat-shrink connections 4 x 4.0 mm² and 6.0 mm²	4059213	GBP 117.-

Motor cable
	cable ÖLFLEX CY 2x1,0 gr round screened	6007452	on request

Motor cable extension (motor cable kit QC)
	Motor cable kit QC 4 x 1.5 mm², 1.5 m	4096206	GBP 95.-
	Motor cable kit QC AISI 316, 4 x 1.5 mm², 1.5 m	6080134	GBP 98.-

Motor cable extension (motor cable connector kit)
	Motor cable connector kit	4087148	GBP 153.-

Quick Connect cable
	Motor cable QC 4 x 1,5 mm², 10 m	4087121	GBP 618.-
	Motor cable QC 4 x 1,5 mm², 20 m	4440091	GBP 696.-
	Motor cable QC 4 x 1,5 mm², 30 m	4087122	GBP 782.-
	Motor cable QC 4 x 1,5 mm², 50 m	4087129	GBP 943.-
	Motor cable QC 4 x 1,5 mm², 80 m	4087130	GBP 1,153.-
	Motor cable QC 4 x 1,5 mm², 100 m	4087131	GBP 1,327.-
	Motor cable QC 4 x 2,5 mm², 50 m	4087132	GBP 1,257.-
	Motor cable QC 4 x 2,5 mm², 80 m	4087136	GBP 1,663.-
	Motor cable QC 4 x 2,5 mm², 100 m	4087137	GBP 1,940.-

Splicing kit
	Sealing kit 4 x 1.5 to 4 x 10 mm²	4065698	GBP 144.-
	Sealing kit 4 x 10 to 4 x 25 mm²	4065699	GBP 491.-
	Cast resin cable connector Size 0 KIT	6001126	GBP 92.-
	Cast resin cable connector Size 1a KIT	6001127	on request
	Cast resin cable connector Size 1b KIT	6001128	GBP 108.-
	Cast resin cable connector Size 1c KIT	6001129	GBP 108.-
	Cast resin cable connector Size 1d KIT	6001130	on request
	Cast resin cable connector Size 2a KIT	6001131	on request
	Cast resin cable connector Size 2b KIT	6001132	on request
	Cast resin cable connector Size 2c KIT	6000785	GBP 278.-
	Cast resin cable connector Size 2d KIT	6001133	on request
	Cast resin cable connector Size 2e KIT	6001134	on request
	Cast resin cable connector Size 3a KIT	6001135	GBP 952.-
	Cast resin cable connector Size 3b KIT	6001136	on request
	Cast resin cable connector Size 3c KIT	6001137	on request
	Cast resin cable connector Size 4 KIT	6001138	on request
	Cast resin cable connector Size 5a KIT	6094506	on request
	Cast resin cable connector Size 5b KIT	6079643	on request

Motor cable for drinking water (material sold by the metre)
	motor cable for drinking water 4 x 10 mm²	6019018	GBP 55.-
	motor cable for drinking water 4 x 4 mm²	6019995	GBP 40.-
	motor cable for drinking water 4 x 16 mm²	6022013	GBP 92.-
	motor cable for drinking water 4 x 25 mm²	6038861	GBP 163.-
	cable S07BB-F 3G1,5 round ACS	6045113	on request
	cable S07BB-F 4G4 round	6007626	GBP 44.-
	cable S07BBH2-F 4G6 flat	6007614	on request
	cable S07BBH2-F 4G25 flat	6007547	on request
	cable S07BBH2-F 4G4 flat	6007618	on request
	cable S07BBH2-F 4G10 flat	6007624	on request
	cable S07BBH2-F 4G2,5 flat	6007636	on request
	cable S07BBH2-F 4G50 flat	6020298	on request
	cable S07BBH2-F 4G16 flat	6020318	on request

Motor cable for drinking water 4 inch motor
	Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 15 m	6079028	GBP 419.-
	Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 10 m	6079029	GBP 359.-
	Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 5 m	6079030	GBP 295.-
	Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 50 m	6079033	GBP 866.-
	Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 40 m	6079034	GBP 739.-
	Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 30 m	6079035	GBP 612.-
	Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 20 m	6079036	GBP 484.-
	Cable kit for 4 inch motors AISI 304, 4 x 1.5 mm², 2.5 m	6091142	on request
	Cable kit for 4 inch motors AISI 304, 4 x 1.5 mm², 1.5 m	6091143	on request
	Cable kit for 4 inch motors AISI 304, 4 x 1.5 mm², 20 m	6091144	on request
	Cable kit for 4 inch motors AISI 304, 4 x 1.5 mm², 30 m	6091145	on request
	Cable kit for 4 inch motors AISI 304, 4 x 1.5 mm², 40 m	6091146	on request
	Cable kit for 4 inch motors AISI 304, 4 x 1.5 mm², 50 m	6091147	on request
	Cable kit for 4 inch motors AISI 304, 4 x 1.5 mm², 5 m	6091148	on request
	Cable kit for 4 inch motors AISI 304, 4 x 1.5 mm², 10 m	6091149	on request
	Cable kit for 4 inch motors AISI 304, 4 x 1.5 mm², 15 m	6091150	on request
	Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 15 m	6091171	on request
	Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 5 m	6030793	on request
	Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 2.5 m	6007630	on request
	Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 1.5 m	4099285	on request
	Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 50 m	6069355	on request
	Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 40 m	6091170	on request
	Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 30 m	6043594	on request
	Cable kit for 4 inch motors AISI 316, 4 x 1.5 mm², 20 m	6035350	on request


Level control (22)
Float switch WA
	Float switch WA65 with 5 m cable	503211390	GBP 160.-
	Float switch WA65 with 10 m cable	503211893	GBP 237.-
	Float switch WA65 with 20 m cable	2004431	GBP 241.-
	Float switch WA65 with 30 m cable	2004432	GBP 333.-
	Float switch WA KR1 S with 5 m cable	6082806	GBP 170.-
	Float switch WA KR1 S with 10 m cable	6082807	GBP 286.-

Submersible electrode
	Submersible electrode, 3 m	500183799	GBP 79.-
	Submersible electrode, 4 m	2516278	GBP 82.-
	Submersible electrode, 5 m	500937990	GBP 96.-
	Submersible electrode, 10 m	2501937	GBP 208.-
	Submersible electrode, 20 m	2516283	GBP 176.-
	Submersible electrode, 25 m	2000601	GBP 242.-
	Submersible electrode, 30 m	2514045	GBP 210.-
	Submersible electrode, 35 m	2516284	GBP 233.-
	Submersible electrode, 40 m	2516285	GBP 247.-
	Submersible electrode, 50 m	2500315	GBP 366.-
	Submersible electrode without cable	64873	on request
	Electrode cable H07RN-F 1x1.5 mm²	64904	GBP 6.-

Float switch WAO
	Float switch WAO 65, 5 m cable	503211595	GBP 204.-
	Float switch WAO 65, 10 m cable	2006027	GBP 145.-
	Float switch WAO 65, 20 m cable	2004429	GBP 437.-
	Float switch WAO 65, 30 m cable	2004430	GBP 599.-

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.

Extended Warranty
	Extended Warranty borehole/submersible pump TWU/TWI 3"-5"	2219597	GBP 2.-

Supervision
	Supervision borehole/submersible pump TWU/TWI 3"-5"	2219331	GBP 2.-

Installation
	Installation borehole/submersible pump TWU/TWI 3"-5"	2219366	GBP 2.-

Commissioning
	Commissioning borehole/submersible pump TWU/TWI 3"-5"	2219397	GBP 2.-

Maintenance
	Maintenance BASIC borehole/submersible pump TWU/TWI 3"-5"	2219537	GBP 2.-
	Maintenance COMFORTborehole/submersible pump TWU/TWI 3"-5"	2219499	on request
	Maintenance PREMIUM borehole/submersible pump TWU/TWI 3"-5"	2219552	GBP 2.-

System Optimisation
	System Optimisation borehole/submersible pump TWU/TWI 3"-5"	2219261	on request

Energy Solutions
	Energy Solutions borehole/submersible pump TWU/TWI 3"-5"	2219296	GBP 2.-

Repairs
	Repair borehole/submersible pump TWU/TWI 3"-5"	2219620	GBP 2.-

Sub TWU 4.08-10-EM-C

Submersible pump

Data sheet

Pump curves

Dimensions and dimensions drawings

Wilo-Sub TWU 4

Ordering information

Filtered by

Datasheet and documentation

Generate PDF

Catalogue creation

Mechanical accessories

Shut-off valve

Full-stroke safety valve

Non-return valve

Pressure gauge

Cable terminal

Steel cable

Cooling shroud, horizontal

Cooling shroud, vertical

Pressure reducer

Diaphragm pressure vessel DT5 Duo

Diaphragm pressure vessel DT5 junior

Diaphragm pressure vessel type D

Diaphragm pressure vessel type DE

Electrical accessories

Switchgear BE-WP

IF Modules EFC

Pressure sensor for systems

Pressure switching

Pressure switch WVA

Sensor kit

Automatic kit

Level indicator AF 400

Shrink sleeving connections

Motor cable

Motor cable extension (motor cable kit QC)

Motor cable extension (motor cable connector kit)

Quick Connect cable

Splicing kit

Motor cable for drinking water (material sold by the metre)

Motor cable for drinking water 4 inch motor

Float switch WA

Submersible electrode

Float switch WAO

Extended Warranty

Supervision

Installation

Commissioning

Maintenance

System Optimisation

Energy Solutions

Repairs