| PartNumber | 1611RL-04W-B30-B00 | 1611RL-04W-B49-B50 | 1611RL-04W-B50-B00 |
| Description | DC Fans DC Axial Fan, 40x28mm, 12VDC, 6CFM, Rib, 2-Wire | DC Fans DC Axial Fan, 40x28mm, 12VDC, 7.4CFM, Rib, Tachometer, 3-Wire | FAN AXIAL 40X28MM 12VDC WIRE |
| Manufacturer | NMB Technologies | NMB Technologies | NMB Technologies Corporation |
| Product Category | DC Fans | DC Fans | DC Fans |
| RoHS | Y | Y | - |
| Product | DC Axial Fans | DC Axial Fans | DC Fans |
| Type | Axial | Tachometer Sensor | Brushless Axial Fan |
| Frame Dimensions mm | 40 mm L x 28 mm W x 40 mm H | 40 mm L x 28 mm W x 40 mm H | - |
| Operating Supply Voltage | 12 VDC | 12 VDC | 12 VDC |
| Airflow | 6 CFM | 7.4 CFM | 10.5 CFM |
| Series | 1611RL | 1611RL | 1611RL |
| Height | 40 mm | 40 mm | 28 mm |
| Length | 40 mm | 40 mm | 40 mm |
| Width | 28 mm | 28 mm | 28.00mm |
| Brand | NMB Technologies | NMB Technologies | - |
| Current Type | DC | DC | DC |
| Product Type | DC Fans | DC Fans | - |
| Factory Pack Quantity | 200 | 200 | - |
| Subcategory | Fans, Blowers & Accessories | Fans, Blowers & Accessories | - |
| Tradename | NMB-MAT | NMB-MAT | - |
| Part # Aliases | 04028RA-12L-AA-00 | 04028RA-12M-AT-00 | 04028RA-12N-AA-00 |
| Unit Weight | 1.693150 oz | 1.693150 oz | - |
| Termination Style | - | - | Wire Leads |
| Size | - | - | 40 mm |
| Termination | - | - | 2 Wire Leads |
| Operating Temperature | - | - | 14 ~ 158°F (-10 ~ 70°C) |
| Features | - | - | - |
| Ingress Protection | - | - | - |
| Voltage Rated | - | - | 12VDC |
| Size Dimension | - | - | Square - 40mm L x 40mm H |
| Power Watts | - | - | 2.04W |
| Speed | - | - | 10000 RPM |
| Approvals | - | - | * |
| Housing Material | - | - | Plastic |
| Pressure Type | - | - | 0.52 in H2O |
| Air Flow | - | - | 10.5 CFM (0.297m3/min) |
| Static Pressure | - | - | 0.520 in H2O (129.5 Pa) |
| Bearing Type | - | - | Ball |
| Fan Type | - | - | Tubeaxial |
| Noise | - | - | 43.5 dB |
| RPM | - | - | 10000 RPM |
| Power Rating | - | - | 2.04 W |
| Frame Dimensions mm | - | - | 40 mm L x 40 mm W x 28 mm H |