Marathon Motors C333 Motor 3/4Hp 115V 3450RPM Frame 56J
The Marathon Motors C333 is a robust 3/4 HP single-phase motor designed for high starting torque applications. Featuring a capacitor start design, it ensures reliable performance. This motor is built with double sealed ball bearings, mechanically locked on the shaft end for durability. The 56J frame includes a 416 stainless steel threaded shaft with a slinger for protection. Its Open Drip Proof (ODP) enclosure makes it suitable for clean and dry environments, and it comes with an automatic reset thermal protector for safety. This motor is UL Recognized and CSA Certified, offering peace of mind for your applications.
Technical Details
This Marathon C333 motor is a 3/4 HP, single-phase unit operating at 3450 RPM. It is designed for dual voltage compatibility, supporting 115V and 208-230V. The motor features a 56J NEMA frame and an Open Drip Proof (ODP) enclosure. It has a service factor of 1.5 and utilizes a capacitor start design for high starting torque. The bearings are double sealed ball bearings, mechanically locked on the shaft end. The shaft is made of 416 stainless steel and is threaded with a slinger. The overall length of the motor is 12.40 inches, with a motor shell length of 7.75 inches. It includes an automatic thermal protector and has a fixed CW rotation when viewed opposite the shaft end. The efficiency is rated at 65.6%.
Technical Specifications
| Voltage | 115/230 |
| Horsepower | 3/4 |
| RPM | 3600 |
| Phase | 1 |
| Frame Size | 56J |
| Enclosure | ODP |
| Full Load Amps | 11.2/5.6 |
| Shaft Diameter | 5/8" |
| Shaft Length | 2.39" |
| Mounting | Face |
| Thermal Protection | Automatic |
| Service Factor | 1.5 |
| Insulation Class | B |
| Rotation Direction | Fixed CW (viewed opposite shaft end) |
| Certifications | UL, CSA |
| Primary Application | Jet Pump |