# Baldor RM3157A 2 HP 1725 RPM 56H Frame OPAO 3-Phase Electric Motor - MROSupply.com

***Baldor RM3157A is a 2 HP, 1725 RPM, 3-phase general purpose motor with a NEMA 56H frame and Open Air Over (OPAO) enclosure. It operates on 60 Hz with a standard F1 foot mounting configuration. This motor is designed for applications requiring direct air-over cooling from an external airstream, such as certain fan and blower drives.***



## Product details:

- Catalog number: RM3157A
- SKU: 25936
- Price: ***$786.94*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Baldor](https://www.mrosupply.com/brands/baldor/)
- Category: 
    - [AC HVAC Motors](htts://www.mrosupply.com/electric-motors/ac-motors/ac-hvac-motors/)
    - [AC Motors](htts://www.mrosupply.com/electric-motors/ac-motors/)
    - [Electric Motors](htts://www.mrosupply.com/electric-motors/)
- Unit of measure: each
- Weight: 40.000 lb
- Technicall support: contact supplier for technical support on 323 724 6771


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Ambient Temperature: 40 °C
  

  
- Base Indicator: Resilient
  

  
- Conduit Box Material: Steel
  

  
- Design Code: B
  

  
- Duty Rating: CONT
  

  
- Enclosure: OPAO
  

  
- Frame: 56H
  

  
- Frame Material: Steel
  

  
- HP: 2
  

  
- Hz: 60
  

  
- Insulation Class: F
  

  
- Inverter Code: Not Inverter
  

  
- Motor Standards: NEMA
  

  
- Motor Weight: 40
  

  
- Mounting Arrangement: F1
  

  
- Number of Poles: 4
  

  
- Overall Length: 12.42 in
  

  
- Phase: 3
  

  
- Power Factor: 79
  

  
- Pulley Face Code: RESILIENT MOUNT
  

  
- RPM: 1700 - 1800
  

  
- Service Factor: 1.15
  

  
- Shaft Diameter: 0.625IN
  

  
- Shaft Ground Indicator: No Shaft Grounding
  

  
- Shaft Rotation: Reversible
  

  
- Speed Code: Single Speed
  

  
- Synchronous RPM: 1800
  

  
- Voltage: 208-230/460
  
## Product documents / software:

- [Connection Diagram](https://documents.mrosupply.com/product_documents/25/93/25936/1063879_vCnu7EI.pdf)
- [Dimension Sheet](https://documents.mrosupply.com/product_documents/25/93/25936/1063880_jIdz4PY.pdf)
- [PDF Product Information Packet](https://documents.mrosupply.com/product_documents/RM/RM3157A/RM3157A_i9htXuU.pdf)
## Alternate products to `Baldor RM3157A 2 HP 1725 RPM 56H Frame OPAO 3-Phase Electric Motor - MROSupply.com`:
- [Leeson K1418 (model 5K49UN4086X) is a 2 HP, 1725 RPM three-phase general purpose motor with a NEMA 56H frame and Open Drip Proof enclosure. It operates on 208-230/460V at 60 Hz with a continuous duty rating. This ODP motor is designed for indoor general purpose applications requiring reliable three-phase power.](https://www.mrosupply.com/products/2269723/as-markdown/)
- [Leeson G127 is a 2 HP, 1800 RPM three-phase general purpose motor with a 56H NEMA frame and Open Drip Proof enclosure. Operates on 208-230/460V at 60 Hz.](https://www.mrosupply.com/products/2269631/as-markdown/)
- [Century H854L 2 HP 1725RPM 56HZ DP 3/60/460/200-230](https://www.mrosupply.com/products/5811220/as-markdown/)

## Product's reviews:
- Fast! - Exact match to the motor I needed. Best price anywhere, and super fast FREE shipping! Gained a new customer!
- Positive - I am a Purchasing Agent for a company with 30 plants. MRO is one of the best vendors out there. Use you all the time.
- Grate service - received parts fast
- Baldor ga16 pedestal - As specified. Prompt delivery of two pedestals. No problems. Excellent in every regard.