Choosing an industrial motor is about matching voltage and load before anything else. The comparison here is between the 1800 RPM 5 HP Electric Motor 184T Frame TEFC 230/460V Severe Duty 3 Phase and the WEG 00112ET3H145T 575V 1 Hp W22 NEMA Foot-Mounted Industrial Electric Motor. One is a 5 HP severe-duty unit; the other is a 1 HP, 575V foot-mounted W22 with NEMA Premium Efficiency. Your supply voltage and required output decide which one makes sense.
Quick verdict
Choose the 1800 RPM 5 HP 184T TEFC 230/460V Severe Duty 3 Phase motor if you need 5 HP, dual-voltage flexibility, and TEFC/IP55 protection. Choose the WEG 00112ET3H145T 575V 1 Hp W22 NEMA Foot-Mounted Industrial Electric Motor if your supply is 575V, your load needs 1 HP, and you want a foot-mounted motor.
| Feature | 1800 RPM 5 HP 184T TEFC | WEG 00112ET3H145T 1 HP |
|---|---|---|
| Listed price | USD 330.95 | USD 279.96 |
| Horsepower | 5 HP | 1 HP |
| Voltage | 230/460V | 575V |
| Speed | 1800 RPM | 1200 RPM |
| Frame | 184T | 143/5T |
| Enclosure | TEFC/IP55 | TEFC/IP55 |
Where each product wins
The 5 HP motor wins for higher-output jobs. It delivers 5 HP at 1800 RPM with a 1.15 service factor, and its dual-voltage input fits plants with either supply. The WEG wins for 575V-only shops that need 1 HP in a foot-mounted package; it also runs in both CW and CCW directions.
1800 RPM 5 HP Electric Motor 184T Frame TEFC 230/460V Severe Duty 3 Phase
For shops already wired for dual-voltage three-phase, this 5 HP motor delivers 1800 RPM in a 184T frame. The reason to choose it is the 1.15 service factor: the motor handles 25% overload, which is useful for pumps, compressors, and conveyors with occasional demand spikes. The limitation is the voltage input. This motor does not run on a 575V supply, so it belongs in a plant with 230V or 460V lines. It is also a heavy piece of equipment at 104 lbs, with a 1-1/8-inch keyed shaft, so plan for a solid mounting point and enough lifting help. If you need 5 HP of turning force, this motor is the straightforward match.
WEG 00112ET3H145T 575V 1 Hp W22 NEMA Foot-Mounted Industrial Electric Motor
The WEG 00112ET3H145T is the motor to choose when your facility operates on 575V and the task is in the 1 HP range. It runs at 1200 RPM as a 6-pole, foot-mounted W22 NEMA Premium Efficiency unit, and it is rated for rotation in both CW and CCW directions. The price is another plus: at $279.96, it is the lower-priced of these two industrial motors. The main limitation is the same spec that makes it efficient: 575V input and 1 HP output mean it is not a substitute for a 5 HP motor running on a lower-voltage supply. If your farm or agricultural-duty application fits a 1 HP, 575V footprint and you want foot-mounting, this WEG is the practical pick.
Final choice by use case
For a 230/460V, higher-horsepower setup, the 5 HP 184T TEFC motor is the practical pick. For a 575V farm or agricultural application that only needs 1 HP and a foot-mounted motor, the WEG 00112ET3H145T makes more sense. Match the motor to your supply voltage and load first; the right fit will be obvious once those two numbers are fixed.
