TOP-S 25/7
Data sheet
Hydraulic data
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Maximum operating pressure PN10 bar
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Min. fluid temperature Tmin-20 °C
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Max. fluid temperature Tmax130 °C
Materials
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Pump housingCast iron
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ImpellerPP-LGF50
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ShaftStainless steel
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BearingCarbon-graphite
Motor data
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Mains connection3~400 V, 50 Hz
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Rated current IN0.45 A
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Max. speed nmax2600 1/min
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Power consumption P1(Q=max.) of selected impeller * number of pumps P1195 W
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Emitted interferenceEN 61000-6-3
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Interference resistanceEN 61000-6-2
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Protection class motorIPX4D
Installation dimensions
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Pipe connection on the suction side DNsG 1½
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Port-to-port length L0180 mm
Information for order placements
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BrandWilo
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Product descriptionTOP-S 25/7
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EAN number4016322709558
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Article number2048321
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Net weight, approx. m5 kg
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Gross weight, approx. m5.3 kg
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Length with packaging270 mm
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Height with packaging215 mm
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Width with packaging178 mm
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Packaging propertyTransport packaging
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Packaging typeCardboard box
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Minimum order quantity1
Tender text
Can be used for hot-water heating systems of all kinds, industrial circulation systems, air-conditioning systems and closed cooling circuits.
Maintenance-free glandless circulation pump with threaded or flange connection, pre-selectable speed stages for power adjustment.
Equipment and function
- Manual power adjustment with 3 speed stages
- Pumps with 1~ motor:
- P2 up to 90 W: internal protection against unacceptably high winding temperatures
- P2 ≥180W: Full motor protection with thermal winding contacts in conjunction with tripping unit (optional: SK 602N/SK 622N)
- Pumps with 3~ motor:
- P2 up to 90 W: internal protection against unacceptably high winding temperatures
- P2 ≥ 180 W: Full motor protection with thermal winding contacts in conjunction with tripping unit (optional: SK 602N/SK 622N)
- Mains connection 3~, 230 V with optional switching plug
- Cataphoretic-coated pump housing for optimal corrosion protection
- PN 6/PN 10 combination flange (for DN 40 to DN 65)
- Thermal insulation shell for heating applications
Operating data
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Fluid mediaWater
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Fluid temperature T-20 °C
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Ambient temperature T-20 °C
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Maximum operating pressure PN10 bar
Motor data
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Emitted interferenceEN 61000-6-3
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Interference resistanceEN 61000-6-2
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Mains connection3~400 V, 50 Hz
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Power consumption P1 max195.0 W
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Max. speed nmax2600 1/min
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Rated current IN0.45 A
-
Protection class motorIPX4D
Materials
-
Pump housingCast iron
-
ImpellerPP-LGF50
-
ShaftStainless steel
-
BearingCarbon-graphite
Installation dimensions
-
Pipe connection on the suction side DNsG 1½
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Pipe connection on the pressure side DNdG 1½
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Port-to-port length L0180 mm
Information for order placements
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BrandWilo
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Product descriptionTOP-S 25/7
-
Net weight, approx. m5 kg
-
Article number2048321
Wiring diagram
≤ P 90 W

Mains connection 3~400 V, 50 Hz
3~230 V, 50 Hz (with optional switching plug 3~230 V)
internal protection against unacceptably high winding temperatures
Triggering:Internal interruption of a motor phase
Reset:Disconnect mains voltage, allow motor to cool down,
switch mains voltage back on again

Ordering information
Information for order placements
-
BrandWilo
-
Product descriptionTOP-S 25/7
-
EAN number4016322709558
-
Article number2048321
-
Gross weight, approx. m5.3 kg
-
Net weight, approx. m5 kg
-
Overall length L180.0 mm
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Height without packaging H221 mm
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Colourgreen/black
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Packaging propertyTransport packaging
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Packaging typeCardboard box
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Number per layer16
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Width without packaging B160.0 mm
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Minimum order quantity1
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Pieces per pallet96
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Date of sales availability2010-01-01
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Date of introduction2010-01-01
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