Data sheet
| Hydraulic data | |
|---|---|
| Minimum efficiency index (MEI) | 0.7 |
| Maximum operating pressure PN | 10 bar |
| Min. fluid temperature Tmin | -15 °C |
| Max. fluid temperature Tmax | 90 °C |
| Min. ambient temperature Tmin | -15 °C |
| Max. ambient temperature Tmax | 60 °C |
| Motor data | |
|---|---|
| Mains connection | 3~400 V, 50 Hz |
| Number of poles | 2 |
| Voltage tolerance | ±10 % |
| Motor efficiency class | IE3 |
| Rated power P2 | 0.75 kW |
| Rated current IN | 1.84 A |
| Rated speed n | 2860 1/min |
| Power factor cos φ100 | 0.74 |
| Motor efficiency 50% ηM 50% | 75.4 % |
| Motor efficiency 75% ηM 75% | 79.3 % |
| Motor efficiency 100% ηM 100% | 80.7 % |
| Insulation class | F |
| Protection class motor | IP55 |
| Materials | |
|---|---|
| Pump housing | Grey cast iron |
| Impeller | PA6-GF30 |
| Shaft | Stainless steel |
| Mechanical seal | BQ1EGG |
| Lantern | Grey cast iron |
| Installation dimensions | |
|---|---|
| Pipe connection on the suction side DNs | Ø 60,3 |
| Pipe connection on the discharge side DNd | Ø 60,3 |
Pump curves
Dimensions and dimensions drawings
BBAC50-91-0.75/2
Wiring diagram
∆: Connection diagram delta connection
Y: Connection diagram star connection
Motor protection switch required on-site. Check the direction of rotation! To change the direction of rotation, exchange any two phases.
| P2≤ 3 kW | 3~400 V Y |
| 3~230 V ∆ | |
| P2≥ 4 kW | 3~690 V Y |
| 3~400 V ∆ |
After removing the bridges, Y-∆ start is possible.
Ordering information
| Product data | |
|---|---|
| Brand | Wilo |
| Product description | BAC50-91-0.75/2 |
| Article number | 4245152 |
| EAN number | 4062679137803 |
| Colour | Green |
| Minimum order quantity | 1 |
| Date of sales availability | 2021-09-15 |
| Packaging | |
|---|---|
| Packaging type | Cardboard box |
| Packaging property | Transport packaging |
| Pieces per pallet | 1 |
| Number per layer | 3 |
| Dimension, weight | |
|---|---|
| Length with packaging | 550 mm |
| Length L | 339.1 mm |
| Height with packaging | 300 mm |
| Height H | 263 mm |
| Width with packaging | 380 mm |
| Width W | 206 mm |
| Gross weight, approx. m | 15.2 kg |
| Net weight, approx. m | 14.2 kg |
Single-stage glanded centrifugal pump in close-coupled design for use in air-conditioning and cooling systems. Low-vibration and low-noise compact design thanks to directly flanged three-phase current motor and one-piece shaft. With bidirectional bellows mechanical seal and cavitation-reducing impeller. Pump housing with Victaulic connection for easy installation.
| Operating data | |
|---|---|
| Min. fluid temperature Tmin | -15 °C |
| Max. fluid temperature Tmax | 90 °C |
| Min. ambient temperature Tmin | -15 °C |
| Max. ambient temperature Tmax | 60 °C |
| Maximum operating pressure PN | 10 bar |
| Minimum efficiency index (MEI) | 0.7 |
| Motor data | |
|---|---|
| Motor efficiency class | IE3 |
| Mains connection | 3~400 V, 50 Hz |
| Voltage tolerance | ±10 % |
| Rated power P2 | 750 W |
| Rated speed n | 2860 1/min |
| Rated current IN | 1.84 A |
| Power factor cos φ100 | 0.74 |
| Motor efficiency 50% ηM 50% | 75.4 % |
| Motor efficiency 75% ηM 75% | 79.3 % |
| Motor efficiency 100% ηM 100% | 80.7 % |
| Insulation class | F |
| Protection class | IP55 |
| Materials | |
|---|---|
| Pump housing | Grey cast iron |
| Impeller | PA6-GF30 |
| Shaft | Stainless steel |
| Shaft seal | BQ1EGG |
| Lantern | Grey cast iron |
| Installation dimensions | |
|---|---|
| Pipe connection on the suction side DNs | Ø 60,3 |
| Pipe connection on the discharge side DNd | Ø 60,3 |
| Ordering information | |
|---|---|
| Brand | Wilo |
| Product description | BAC50-91-0.75/2 |
| Net weight, approx. m | 14.2 kg |
| Article number | 4245152 |
Filtered by
Datasheet and documentation
Mechanical accessories
Wall fixation/installation on a base (1) | |||
Replacement kit BAC | |||
Replacement kit BAC 40-50 | 4250338 | ||
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.
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