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Product Description
The Marathon M4688 Fan and Blower Motor, designed by Marathon Electric, offers reliable performance for HVAC applications. This single-phase motor operates at 1 hp and 1725 RPM, making it ideal for residential and commercial ventilation systems. The motor supports a versatile voltage range of 115 to 230 volts, ensuring compatibility with various installation requirements.
- Single-phase operation
- 1 hp motor power
- 1725 rotations per minute
Product Highlights
This motor is built for durability and efficiency, featuring a rolled steel construction and an open drip-proof enclosure. It includes an automatic overload protector for enhanced safety. The resilient base mounting facilitates easy installation in various setups.
Product Information
Standard Information
- Brand: Marathon Electric
- MPN: M4688
- Product Type: Fan and Blower Motor
Features:
- Three Phase
- Auto Protector
- Class B Insulation
- Double Sealed Ball Bearing
- Reversible
- 40[DEG]C Ambient
- Service Factor: 1.15
Compatibility & Applications:
- Intended for HVAC applications that require a dual run capacitor with 30/5 MFD and 440/370V ratings .
- Must only be used where the manufacturer specifies this exact part number: 12781.
Installation & Operation Notes:
- Installation should be performed by a qualified HVAC technician.
- Reference the controlled equipment's service/installation manual to confirm the required capacitor ratings and proper terminal connections before energizing the system.
- The provided sources do not include detailed wiring diagrams or safety procedures; follow equipment documentation and standard capacitor handling practices appropriate for HVAC service.
Maintenance & Troubleshooting:
- This capacitor is typically replaced when diagnostics indicate a run capacitor is out of specification or when motor operation issues are traced to the dual run capacitor (diagnostic procedures are not provided in the supplied sources).
- If issues persist after replacement, confirm the installed capacitor matches the required MFD and voltage ratings and that all connections are correct per the equipment documentation.
Certifications & Compliance:
- Manufacturer listing states UL & cUL for these capacitors.
User Reviews & Q&A Summary:
- Review themes commonly describe it as a correct replacement capacitor that restores cooling operation when a failed capacitor is replaced.
- Many comments focus on getting the right part quickly and returning equipment to service, with frequent notes about straightforward replacement once the correct rating is confirmed.
Product Highlights
460/200-230VÂ Â Â 
1725, 1800 RPM Â Â Â 
RCCW Â Â Â 
1-1/2 HP Â Â Â 
Rigid Base    
5.6 AmpsSpecs
| Type: | Single or Dual Voltage Polyphase Induction Run |
|---|---|
| Horse Power: | 1-1/2 |
| Voltage: | 460/200-230V |
| Bearings: | Ball |
| Speeds: | 1 |
| Duty: | Continuous |
| RPM: | 1725 1800 |
| Rotation: | RCCW |
| Phase: | 3 |
| Mount: | Rigid Base |
| Hertz: | 60 |
| Frame: | 56HZ |
| Amperage: | 5.6 |
| Overload Protection: | Thermally |
| Insulation Class: | B |
| Enclosure Type: | Drip Proof |
| Poles: | 4 |
| Max Ambient Temp (°F): | 104°F |
Reviews
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