Blowers & Centrifugal Fans
Double Inlet Forward Curved Impeller — 150 Series
150 Series double inlet blowers for high-capacity air movement in large HVAC, industrial and commercial ventilation systems.

Catalogue Specifications
Models and Technical Data
Catalogue values are shown in their published units. Final selection and operating-point suitability should be confirmed with SEM engineering.
| Type | I/P Supply | Amps (A) | Watts (W) | RPM | Airflow CMH | Airflow CFM | Static PR (mm-wc) | dBA | CAP µf | Amb. Temp °C | Weight Kg |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SDB 150 S2 | 230V, 1Ø, 50Hz | 2 | 450 | 2700 | 1200 | 706 | 50 | 76 | 12.5 | 60 | 8.5 |
| SDB 150 T2 | 415V, 3Ø, 50Hz | 0.75 | 430 | 2600 | 1200 | 706 | 50 | 76 | — | 60 | 8.5 |
| SDB 150 S4 | 230V, 1Ø, 50Hz | 0.4 | 100 | 1440 | 620 | 365 | 14 | 61 | 4 | 60 | 8.5 |
| SDB 150 T4 | 415V, 3Ø, 50Hz | 0.65 | 130 | 1450 | 620 | 365 | 14 | 61 | — | 60 | 8.5 |
Tolerance ±5% on Specified values
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