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| PartNumber | 11938SB-A1N-LA-U0 | 11938MB-B4N-AP-00 | 11938ME-24P-GA-00 |
| Description | AC Fans AC Axial Fan, 119x38mm, 115VAC, 105.9CFM, Flange, Wire | AC Fans AC Axial Fan, 119x38mm, 240VAC, 102CFM, Flange, Wire | AC Fans DC Axial Fan, 119x38mm, 24VDC, 181.089CFM, Flange, Ball Bearing, 2-Wire, IP69K |
| Manufacturer | NMB Technologies | NMB Technologies | NMB Technologies |
| Product Category | AC Fans | AC Fans | AC Fans |
| RoHS | Y | Y | Y |
| Type | Axial | Axial | - |
| Frame Dimensions mm | 119 mm L x 38 mm W x 119 mm H | 119 mm L x 38 mm W x 119 mm H | - |
| Operating Supply Voltage | 115 VAC | 240 VAC | - |
| Airflow | 105.9 CFM | 102.4 CFM | - |
| Bearing Type | Ball | Ball | - |
| Noise | 44 dBA | 41 dBA | - |
| Speed | 3100 RPM | 2900 RPM | - |
| Power Rating | 18 W | 14 W | - |
| Housing Material | Aluminum | Aluminum | - |
| Termination Style | Wire Leads | Quick Connect Terminal | - |
| Series | 11938SB | 11938MB | 11938ME |
| Height | 119 mm | 119 mm | - |
| Length | 119 mm | 119 mm | - |
| Pressure Type | 0.38 in H2O, 0.4 in H2O | 0.3 in H2O | - |
| Product | AC Axial Fans | AC Axial Fans | AC Axial Fans |
| Size | 38 mm | 119 mm | - |
| Width | 38 mm | 38 mm | - |
| Brand | NMB Technologies | NMB Technologies | NMB Technologies |
| Current Type | AC | AC | AC |
| Product Type | AC Fans | AC Fans | AC Fans |
| Factory Pack Quantity | 20 | 20 | 20 |
| Subcategory | Fans, Blowers & Accessories | Fans, Blowers & Accessories | Fans, Blowers & Accessories |
| Tradename | NMB-MAT | - | - |
| Part # Aliases | 4715HS-12W-B50-AM0 | 4715MS-24W-B5A-A00 | - |
| Unit Weight | 1.257 lbs | 1.213 lbs | - |
| IP Rating | - | - | IP69K |