BALDOR M3011 Motor 1/2 34-2-286 208-230/460V 1140RPM 48 1.25SF 3PH

( Brand: Baldor ), ( Manufacturer Part Number: M3011 ), ( Part Type: Hp Motor ), ( Full Load Amps: 3-2.8/1.4 ), ( Nema Design Letter: Design B ), ( Rated Load: Hp ), ( Ac Frequency Rating: 60 Hz ), ( Base Rpm: 1140 ), ( Shaft Type: D Profile ), ( Shaft Diameter: 0.5 ), ( Mounting Type: Foot-mounted ), ( Current Type: Ac ), ( Service Factor: 1.25 ), ( Nominal Rated Input Voltage: 208-230/460 ), ( Ac Phase: Single Phase ), ( Country Of Origin: United States )

Review BALDOR Rebuilt 1/2 Hp Motor 208-230/460v 1140rpm 48 Fr 3ph

The **Baldor M3011 HP, 34-2-286 three-phase induction motor** is a robust, high-performance electric motor designed to deliver reliable and efficient operation in a wide range of industrial, commercial, and mechanical applications. Engineered with Baldor s reputation for durability and precision, this motor is built to meet stringent performance standards while offering exceptional longevity and minimal maintenance requirements. With a **rated power output of horsepower (0.373 kW)**, it provides a balanced blend of torque and speed, making it ideal for applications such as conveyor systems, small pumps, compressors, fans, and light-duty machinery where consistent and dependable performance is essential.

This motor operates seamlessly across a **dual-voltage range of 208-230 volts or 460 volts**, ensuring versatility in power supply compatibility without compromising efficiency. The **1140 RPM synchronous speed** (with a slip of approximately 3-5%) allows for smooth operation while maintaining optimal power transfer, reducing wear on connected equipment and extending the lifespan of the entire system. The **34-2-286 frame size** adheres to NEMA standards, providing a compact yet sturdy construction that fits seamlessly into various mounting configurations, whether in enclosed or open environments.

One of the standout features of this motor is its **1.25 Service Factor (SF)**, which indicates its ability to handle intermittent overloads up to 25% above its rated capacity without risking premature failure. This added margin of safety enhances the motor s resilience in demanding applications where occasional peak loads may occur, such as in manufacturing processes or material handling systems. The **three-phase induction design** ensures efficient energy conversion, minimizing power consumption while maximizing output, which contributes to lower operational costs and reduced environmental impact.

Constructed with high-quality materials, the M3011 motor incorporates a **totally enclosed, fan-cooled (TEFC) design**, protecting internal components from dust, moisture, and contaminants while maintaining optimal thermal performance. This enclosure type is particularly advantageous in environments where exposure to harsh elements such as factories, warehouses, or outdoor installations could otherwise lead to premature degradation. The motor s **ball-bearing support system** ensures smooth and vibration-free operation, reducing mechanical stress and extending bearing life, while the **class B insulation** (130 C temperature rise) provides reliable thermal protection under normal operating conditions.

Baldor s commitment to quality is evident in the motor s **IP54 protection rating**, which offers robust defense against solid foreign objects and water splashes, making it suitable for a variety of industrial settings. The motor s **NEMA premium efficiency rating** further underscores its energy-saving capabilities, aligning with modern sustainability goals while delivering cost-effective performance. Whether integrated into a new system or used as a replacement for aging equipment, the Baldor M3011 motor offers a dependable, high-performance solution that balances power, efficiency, and longevity.

For applications requiring precision and reliability, this motor stands out as a versatile workhorse capable of handling a broad spectrum of tasks with minimal downtime. Its combination of **adjustable voltage compatibility, robust construction, and energy-efficient design** makes it a preferred choice for engineers and maintenance professionals seeking a motor that delivers consistent performance year after year.

### **Pros and Cons of buying a Baldor M3011 (1/2 HP, 34-2-286, 3-Phase Motor)**

1. **Reliable Brand Reputation** Baldor (now part of Emerson) is a well-established manufacturer known for durable, high-quality industrial motors. Their motors are widely used in commercial and industrial applications due to their reliability and efficiency.

2. **Energy Efficiency** This motor is designed with modern efficiency standards, helping reduce operational costs over time by consuming less power while maintaining performance.

3. **Wide Voltage Range (208-230/460V)** The ability to operate on both 230V and 460V systems makes it versatile for different industrial setups without requiring significant modifications.

4. **Standardized Frame Size (34)** The 34 frame is common in industrial applications, meaning replacement parts, accessories, and maintenance tools are widely available.

5. **NEMA Premium Efficiency** If this motor meets NEMA Premium standards (common for Baldor models), it offers better energy savings compared to standard efficiency motors, potentially qualifying for rebates or incentives.

6. **Low Maintenance Requirements** Baldor motors are built with robust construction, including sealed bearings and efficient cooling, reducing the need for frequent upkeep.

7. **Compatibility with Variable Frequency Drives (VFDs)** Many Baldor motors are designed to work seamlessly with VFDs, allowing for speed control and additional energy savings in applications where variable speed is beneficial.

8. **Long Lifespan** With proper maintenance, these motors can last **20 years**, making them a cost-effective long-term investment.

9. **Global Availability of Parts** As a major brand, spare parts and service support are readily available worldwide, reducing downtime in case of failures.

10. **Suitable for General Industrial Use** The 1/2 HP rating and 1,140 RPM make it ideal for applications like small conveyors, pumps, compressors, and HVAC systems where moderate power is required.

---

1. **Higher Upfront Cost** Compared to generic or less-known brands, Baldor motors typically have a higher purchase price, which may be a barrier for small businesses or budget-conscious buyers.

2. **Potential Overkill for Light-Duty Applications** If the motor is significantly more powerful than needed (e.g., for a very small load), it may run inefficiently, wasting energy and increasing operational costs.

3. **Specialized Installation Requirements** Some industrial motors require proper alignment, grounding, and wiring expertise. Improper installation can lead to premature failure or safety hazards.

4. **Dependence on 3-Phase Power** This motor **cannot** run on single-phase power, limiting its use in residential or small commercial settings without a phase converter (which adds cost).

5. **Weight and Size** At 1/2 HP, it s still a relatively heavy motor (likely ** 50-70 lbs**), which may require additional handling equipment during installation.

6. **Potential for Misapplication** If not matched correctly to the load (e.g., incorrect torque requirements), the motor may overheat or fail prematurely. Consulting an electrician or engineer is advisable.

7. **Limited Warranty (Compared to Some Competitors)** While Baldor offers a standard **1-year warranty**, some competitors (e.g., TECO or WEG) may provide longer warranties or extended options for an additional cost.

8. **VFD Compatibility May Require Additional Considerations** While generally VFD-friendly, some Baldor motors may need specific drive settings to avoid issues like bearing currents or overheating.

9. **Discontinued or Obsolete Models** Older Baldor models (depending on the exact variant) may no longer be in production, which could affect long-term spare part availability.

10. **Higher Initial Energy Draw** At startup, 3-phase motors like this can draw **4-7 times their running current**, which may require careful consideration of electrical infrastructure (e.g., breaker sizing).

---

The **Baldor M3011 (1/2 HP, 34-2-286, 3-phase)** is a **high-quality, reliable motor** well-suited for **industrial, commercial, or heavy-duty applications** where durability, efficiency, and brand support matter. Its **versatility (208-230/460V), efficiency, and long lifespan** make it a strong choice for businesses that prioritize **cost-effectiveness over time** and **minimal maintenance**.

- **Residential or single-phase applications** (requires a phase converter).

- **Very light-duty or small-scale uses** where a smaller, cheaper motor would suffice.

- **Budget-sensitive buyers** who cannot justify the higher upfront cost.

If the motor is **properly matched to the load, installed correctly, and maintained**, it will **outperform many generic alternatives** in terms of **longevity and efficiency**.

---

You need a **reliable, efficient 3-phase motor** for **industrial, commercial, or heavy-duty use**.

Your application requires **208-230V or 460V power** and **variable speed control** (VFD compatibility).

You prioritize **long-term durability, low maintenance, and brand support** over the lowest initial cost.

The motor s **1/2 HP and 1,140 RPM** match your **load requirements** (verify with an engineer if unsure).

You need a **single-phase motor** (consider a **single-phase Baldor or TECO alternative**).

Your application is **very light-duty** (e.g., small fans, appliances), where a **fractional HP motor** would be more cost-effective.

You are **unable to properly install or maintain** industrial motors (consult an electrician).

You require **extended warranties or lower upfront costs** (compare with **WEG, TECO, or ABB alternatives**).

For **most industrial and commercial applications**, the **Baldor M3011 is an excellent choice** **purchase it if it fits your needs**, but **verify load matching and electrical compatibility** before buying. If budget is a concern, consider **comparing it to similar-rated WEG or TECO motors**, which may offer slight cost savings without sacrificing quality.

Details:

34-2-286, Frame: 48, HP: 1/2, volts : 208-230/460, Amps: 3-2.8/1.4, RPM: 1140, Hz: 60, Phase: 3, Class: B,.F. 51%, ABM.-Cont. LM3011, Spec. B, Code: K, Full Load Eff.

Baldor Industrial Electric Motor. 40 C, Shaft Diameter: 0.5 in, length : 2 Inside 0.125 M19151008.

part #: m3011 prices

• $150.00-$450.00

specifications oelemot:

• brand: Baldor
• mpn: M3011
• part type: Hp Motor
• full load amps: 3-2.8/1.4
• nema design letter: Design B
• rated load: Hp
• ac frequency rating: 60 Hz
• base rpm: 1140
• shaft type: D Profile
• shaft diameter: 0.5
• mounting type: Foot-mounted
• current type: Ac
• service factor: 1.25
• nominal rated input voltage: 208-230/460
• ac phase: Single Phase
• country of origin: United States

payments oelemot:

• credit card: Diners-club
• other
• wallet: Apple-pay

general oelemot:

• Industrial Automation Motion Controls > Electric Motors > General Purpose Motors
• condition: Seller refurbished

offer oelemot:

• quantity: 1
• sold: 0
• best offers: True
• availability: In Stock
• started: May 29, 2026
• options: Ship-to-home

returns oelemot:

• paid by: Buyer
• time: 30 Days
• policy: Returns Accepted
• method: Money back

seller oelemot:

• city: Belgium, Wisconsin
• # reviews: 10004
• rating: 99.9%

shipping oelemot:

• transit: 3-5 Days
• cost: $43.20
• type: Calculated
• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air
• carrier: UPS
• class: Standard, Expedited, One-day

Baldor M3011 Is Similar To:

• 0105282922-000020 Baldor Hp Frame Phase Ac Motor Rpm (28.8% similar) 85: industrial motor hz: 60 shaft size inch...(September 3rd, 2018)
• 01069477349-000010 Baldor Reliance Super Spl Phase Electric Motor Rpm Frame (32.3% similar) These motors are unused, but dirty and have shelf wear. These were stock from a pump company that closed down. Several of these available in similar visual condition...(January 22nd, 2019)
• 05e165w03g1 Baldor Motor With Vertex (24.1% similar) ...(February 5th, 2018)
• 07m099y788g1 Daldor New Baldor Hp Motor Phase Rpm Frame (32.6% similar) New Baldor 10 hp 575 volt 3 phase motor 3500 rpm 215TC frame 325 weight...(September 1st, 2018)
• 09e727y613g2 Baldor Lot Of Hp Phase Rpm Industrial Motor (27.9% similar) These surplus items have been excellent quality...(February 28th, 2018)
• 100063076 Peerless Baldor Industrial Blower Motor Hp Rpm Amps (31.2% similar) 25 hp, 1725 rpm. 2 amps new however has suffered very minor cosmetic damage in original shipping. Peerless industrial blower w Baldor motor...(August 15th, 2018)
• 103021-02 Baldor Hvac Variable Torque Motor Used (26.6% similar) Baldor hvac variable torque motor please refer to picture 2 for full specifications of condition: item is in good working and physical conditions. I want you to be fully satisfied with every item that purchase from me...(June 27th, 2018)
• 103204-02 Reliance Electric Baldor Phase Motor Hp Rpm (27.1% similar) M: 1725 frame: 56YZ hz: 60 ph: 3 ser. F: 75 rating: 40C ABM-cont cc: usable at 208VBEARINGS: de: 6205 ode: 6203ENCL: ops Sn: f sofa PO. Baldor reliance motorcar. No: spec: 35Z194P890G1 hp: 3 volts : 460 amps: 15 code: l des: b class: FNMA nom. 3 replaces old Lennon part NUMBERS:51W24 34W47 allied, ...(July 10th, 2018)
• 10e106x354h1 Baldor Electric Motor New In Crate (29.9% similar) Up for sale is 1 Baldor model VM2394T electric motor, 15-HP, 3450-RPM, 3-PH - new in the crate...(November 28th, 2018)
• 10h292y73061 Baldor Industrial Hp Motor Cat Frame (34.1% similar) New price through Baldor is ECP4102T 20HP, 1180RPM, 3PH, 60HZ, 286T, 1054M, TEFL, f1 output 20. Hp phase 3 synchronous speed 1,200 rpm frequency 60. Hz voltage 460 v, 230 v frame material iron 286T PX class and group none division ii brand Baldor-reliance. Motor is sold as-is...(April 23rd, 2018)
• 114367 Baldor New Hp Phase Motor (32.1% similar) Please see motor name plate for details photos are actual...(June 23rd, 2018)