Product Overview
Marathon K381 Fan and Blower Motor 0.50 HP 3 Ph 60 Hz 208-230/460 V 1800 RPM 56 Frame
KEY FEATURES
- Automatic reset thermal protector prevents overheating.
- 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.
Nameplate Specifications
| Phase: | 3 | Output HP: | 0.50 Hp |
| Output KW: | 0.37 kW | Voltage: | 208-230/460 V |
| Speed: | 1725 rpm | Service Factor: | 1.25 |
| Frame: | 56 | Enclosure: | Drip Proof |
| Thermal Protection: | No Protection | Efficiency: | 78.7 % |
| Ambient Temperature: | 40 °C | Frequency: | 60 Hz |
| Current: | 2.3-2.2,1.1 A | Power Factor: | 0 |
| Duty: | Continuous | Insulation Class: | B |
| Design Code: | B | KVA Code: | K |
| Drive End Bearing Size: | 6203 | Opp Drive End Bearing Size: | 6203 |
| UL: | Recognized | CSA: | Yes |
| CE: | N | Number of Speeds: | 1 |
Technical Specifications
| Electrical Type: | Three Phase | Starting Method: | N/R |
| Poles: | 4 | Rotation: | Counterclockwise/Clockwise |
| Mounting: | Resilient Base | Motor Orientation: | ANY |
| Drive End Bearing: | BALL | Opp Drive End Bearing: | BALL |
| Frame Material: | Rolled Steel | Overall Length: | 10.05 in |
| Frame Length: | 5.72 in | Shaft Diameter: | 0.630 in |
| Shaft Extension: | 1.88 in |
General Specifications
| UPC: | 722856041043 | Weight: | 20.00 LB |
| Packaged Length: | 13.69 IN | Packaged Width: | 7.13 IN |
| Packaged Height: | 7.5 IN | HTC: | 8501.51.4040 |
| Country of Origin: | Mexico |
