ADDITIONAL DESCRIPTION # TEFC AC General Purpose Motors The **Marathon W640A TEFC AC General Purpose Motor** is engineered for reliability and efficiency, making it an essential component for a variety of industrial applications. This robust electric motor features a Totally Enclosed Fan Cooled (TEFC) design, ensuring optimal performance in demanding environments while protecting internal components from dust, moisture, and contamination. ## Key Features • **Power Rating:** 50 HP, delivering impressive torque for heavy-duty applications • **Frame Size:** 365T, designed for standard mounting and operational compatibility • **Voltage:** 575V, suitable for high-efficiency industrial systems • **Speed:** 1200 RPM, providing consistent performance for various machinery • **Phase:** 3-phase, ensuring balanced power distribution for enhanced performance • **Design:** TEFC enclosure, offering superior heat dissipation and protection from environmental elements ## Applications • **Industrial HVAC Systems:** Ideal for driving fans, pumps, and compressors in heating, ventilation, and air conditioning applications • **Agriculture Machinery:** Suitable for various agricultural equipment requiring reliable and robust motor performance • **Manufacturing Equipment:** Perfect for conveyors, mixers, and other machinery demanding high torque and efficiency ## Benefits • **Enhanced Durability:** The TEFC design optimizes the motor's lifespan by safeguarding it against harsh conditions • **High Efficiency:** Designed to minimize energy consumption while maximizing output, contributing to lower operational costs • **Versatile Installation:** Compatible with a wide range of applications, making it a flexible solution for various industrial needs --- *Product information compiled with AI assistance for reference purposes.*
| Power | 50 hp |
|---|---|
| Rated Speed | 1,188 rpm |
| Frame Size | 365T |
| Voltage | 575 V |
| Mounting Type  | Rigid Base |
| Motor Enclosure Type | Totally Enclosed Fan Cooled |
| Electrical Phase | Three-Phase |
| mounting | Rigid base |
| frame | 365T |
| frequency | 60 Hz |
| phase | 3 |
| enclosure | Totally enclosed fan cooled |
| power factor | 82 |
| country of origin | Mexico |
| shaft type | T |
| current | 48.5 A |
| poles | 6 |
| electrical type | Squirrel Cage Inverter Rated |
| drive end bearing | Ball |
| resistance main | .1329 Ohms |
| number of speeds | 1 |
| output kw | 37.0 kW |
| efficiency | 94.1 % |
| frame material | Cast iron |
| hazardous location | DIVISION 2 T2B |
| ip code | 56 |
| rotation | Selective Clockwise |
| starting method | Line Or Inverter |
| motor orientation | Horizontal |
| insulation class | H |
| assembly/box mounting | F1/F2 CAPABLE |
| csa | Y |
| design code | B |
| opp drive end bearing size | 6213 |
| ce | Y |
| service factor | 1.15 |
| duty | Continuous |
| output hp | 50 Hp |
| ul | Listed |
| drive end bearing size | 6313 |
| kva code | G |
| opp drive end bearing | Ball |
| thermal protection | No protection |
| speed | 1188 rpm |
| ambient temperature (°c) | 40 |
| Unidad | piece |
| Cantidad mínima | 1 |
| Incremento de cantidad | 1 |
| Fabricante | Marathon Electric |
| Vendor SKU | 6487626 |
| Lead Time | 1 day |