Product Overview
Marathon B303 .25 HP Fan and Blower HVAC/R Motor 1 phase 1800 RPM 115V 48Y Frame
- Automatic reset thermal protector prevents overheating.
- Patented MAXGuard® insulation system offers superior protection for use with a variable frequency drive.
- Permanently lubricated, double-sealed bearings extend the lifetime of the motor.
- Ambient temperature up to 70°C allows for consistent operation in a range of environments and applications.
- Vertical/horizontal mounting for proper placement of the fan within airflow.
General Specifications
| UPC: | 722856039354 | Weight: | 14.00 LB |
| Packaged Length: | 11.06 IN | Packaged Width: | 6.75 IN |
| Packaged Height: | 6.62 IN |
Nameplate Specifications
| Output HP: | 0.25 Hp | Output KW: | 0.19 kW |
| Frequency: | 60 Hz | Voltage: | 115 V |
| Current: | 5.0 A | Speed: | 1725 rpm |
| Service Factor: | 1.35 | Phase: | 1 |
| Efficiency: | 58 % | Power Factor: | 59 |
| Duty: | Continuous | Insulation Class: | B |
| Design Code: | NO DESIGN CODE | KVA Code: | P |
| Frame: | 48Y | Enclosure: | Drip Proof |
| Thermal Protection: | Automatic | Ambient Temperature: | 40 °C |
| Drive End Bearing Size: | 6203 | Opp Drive End Bearing Size: | 6203 |
| UL: | Recognized | CSA: | Y |
| CE: | N | IP Code: | 22 |
Technical Specifications
| Electrical Type: | Split Phase | Starting Method: | Across The Line |
| Poles: | 4 | Rotation: | Selective Counterclockwise |
| Mounting: | Resilient Base - Extended Studs | Motor Orientation: | Horizontal |
| Drive End Bearing: | Ball | Opp Drive End Bearing: | Ball |
| Frame Material: | Rolled Steel | Shaft Type: | Single Special Extension |
| Overall Length: | 9.57 in | Shaft Diameter: | 0.500 in |
| Shaft Extension: | 1.87 in | Assembly/Box Mounting: | F1 ONLY |
