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  3. BALDOR GMP3330

BALDOR GMP3330 Gear Motor Rpm 1/3HP 3PH 460V 57 33E050-0675G2K2

33e050-0675g2k2 Baldor Gmp3330 Gear Motor 1/3hp 3ph 460v 57 Rpm 30 1

( Brand: Baldor ), ( Manufacturer Part Number: GMP3330 ), ( Part Type: Gear Motor ), ( Rated Load: Hp ), ( Base Rpm: 57rpm ), ( Nominal Rated Input Voltage: 460 V ), ( Ac Phase: Three Phase )

Review BALDOR Gear Motor 1/3hp 3ph 460v 57 Rpm 30

The **Baldor GMP3330 Gear Motor (Model 30-33E050-0675G2K2)** is a robust, high-performance industrial gear motor designed for demanding applications requiring precise speed control, reliability, and efficiency. Part of Baldor s trusted **GMP series**, this motor delivers a **1/3 horsepower (0.33 kW)** output at a **57 RPM** output speed, making it ideal for applications where torque and smooth operation are critical such as conveyors, mixers, packaging machinery, and material handling systems. Powered by a **three-phase, 460V AC induction motor**, it ensures consistent performance across a wide range of industrial environments, including those with fluctuating loads or variable operating conditions.

The **GMP3330** features a **helical gear reduction system**, which provides smooth, low-noise operation while maximizing torque transmission efficiency. This design minimizes backlash and wear, extending the motor s operational lifespan and reducing maintenance requirements. The gearbox is housed in a **durable, sealed enclosure**, protecting internal components from dust, debris, and moisture, making it suitable for both clean and harsh industrial settings. The motor s **NEMA 12 or NEMA 4X** enclosure options (depending on configuration) further enhance its resistance to environmental contaminants, ensuring reliable performance in demanding applications.

With a **compact yet sturdy construction**, the GMP3330 is engineered for easy integration into existing machinery, offering flexibility in installation and space constraints. The motor s **high-efficiency design** reduces energy consumption while maintaining optimal power delivery, contributing to cost savings and operational sustainability. Additionally, Baldor s reputation for **premium quality and engineering excellence** ensures that this gear motor meets or exceeds industry standards for durability, precision, and performance.

Whether used in **food processing, chemical handling, or material transport systems**, the **Baldor GMP3330 (30-33E050-0675G2K2)** delivers the perfect balance of power, reliability, and efficiency. Its **sealed bearings, corrosion-resistant materials, and precise gearing** make it a dependable choice for industries where uptime and performance are non-negotiable. Built to withstand continuous operation, this gear motor is a testament to Baldor s commitment to delivering high-quality, long-lasting solutions for industrial automation and mechanical power transmission.

### **Baldor GMP3330 Gear Motor (1/3 HP, 3-Phase, 460V, 57 RPM, 30:1 Ratio, Model #30-33E050-0675G2K2) Pros and Cons**

#### **Pros**

1. **High Quality and Reliability** Baldor (now part of Emerson Electric) is a well-established manufacturer known for durable, high-performance industrial motors and gearboxes. Their products are built to withstand demanding applications with minimal maintenance.

2. **Precise Speed Reduction** The 30:1 gear ratio reduces the motor s 1,725 RPM (at 460V, 60Hz) to a steady 57 RPM output, making it ideal for applications requiring slow, controlled motion (e.g., conveyors, mixers, packaging equipment).

3. **3-Phase, 460V Compatibility** Suitable for industrial environments where 460V power is standard, reducing the need for step-down transformers compared to single-phase motors.

4. **Standardized and Easy to Source** As a widely available NEMA-sized motor (likely NEMA 33 frame), replacement parts, bearings, and seals are readily accessible, reducing downtime.

5. **Good Torque Output for Its Size** The 1/3 HP rating provides sufficient torque for light to moderate load applications, making it versatile for small machinery.

6. **Durable Construction** Gearboxes are typically made with hardened steel gears and sealed bearings, offering longevity in clean or lightly contaminated environments.

7. **Compatibility with Baldor s Other Products** If your system already uses Baldor components (e.g., variable frequency drives, encoders), this motor integrates seamlessly.

8. **Lower Initial Cost Compared to Custom Solutions** While not the cheapest option, it is more affordable than bespoke gearmotors for specialized applications.

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#### **Cons**

1. **Limited Speed Range** The fixed 57 RPM output may not be suitable for applications requiring variable speeds without an external drive (e.g., VFD). A VFD would be needed for speed control, adding cost.

2. **Single-Speed Operation** Unlike AC motors with multiple speed settings or DC motors with adjustable controllers, this gearmotor runs at one fixed speed, restricting flexibility.

3. **Maintenance Requirements** Gearboxes require periodic lubrication (grease changes) and may need bearing replacements over time, especially in dusty or harsh environments.

4. **Size and Weight** The gearmotor is bulkier than a direct-drive motor of similar power, which may limit installation space in compact systems.

5. **Potential Noise and Vibration** Gear reduction can introduce mechanical noise and vibration, which may be problematic in sensitive applications (e.g., cleanrooms, precision machinery).

6. **Higher Initial Cost Than Direct-Drive Alternatives** For some applications, a direct-drive motor with a VFD might be cheaper and more efficient, though it lacks the torque multiplication of a geared system.

7. **Dependence on Baldor s Support** While Baldor is reliable, parts or service may require ordering through their distributors, which could introduce delays compared to more widely stocked brands.

8. **Not Ideal for High-Speed Applications** The low output speed (57 RPM) makes it unsuitable for applications requiring higher rotational speeds.

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### **Conclusion**

The **Baldor GMP3330 gearmotor** is a robust, reliable choice for industrial applications requiring **fixed, slow-speed operation with moderate torque**. It excels in environments where **durability, ease of sourcing parts, and compatibility with 3-phase power** are priorities. However, it is **not ideal for variable-speed applications** without additional controls (like a VFD) and may be **overkill for simple, high-speed tasks**.

If your application demands **precise, consistent low-speed motion** (e.g., conveyors, mixers, or packaging machinery), this motor is a **strong, cost-effective solution**. Conversely, if **speed variability, compactness, or efficiency** are critical, alternatives like a **direct-drive motor with a VFD or a different gear ratio** may be better.

### **Recommendation**

- **Buy this motor if:**

- You need a **reliable, fixed-speed solution** for a light to moderate load.

- Your system is **3-phase, 460V-compatible**, and maintenance is manageable.

- You prioritize **long-term durability and ease of part replacement**.

- **Consider alternatives if:**

- You require **variable speed control** (add a VFD).

- The application demands **higher efficiency or lower noise levels** (evaluate direct-drive options).

- Space is extremely limited (check smaller gearmotor or direct-drive alternatives).

- The load is **heavy or shock-prone** (ensure the gearbox s rating matches your torque requirements).

For most **standard industrial conveyors, mixers, or packaging systems**, this Baldor gearmotor is a **solid, well-supported choice**. Always verify the **exact torque and load requirements** of your application to confirm it meets your needs.

Details:

Baldor GMP3330 Gear Motor 1/3HP 3PH 460V 57 RPM 30:1 33E050-0675G2K2.

part #: gmp3330 prices

  • $300.00-$850.00

specifications oelemot:

  • brand: Baldor
  • mpn: Gmp3330
  • part type: Gear Motor
  • rated load: Hp
  • base rpm: 57rpm
  • nominal rated input voltage: 460 V
  • ac phase: Three Phase

returns oelemot:

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

offer oelemot:

  • availability: In Stock
  • started: March 6, 2026
  • quantity: 1
  • options: Ship-to-home
  • best offers: True
  • sold: 0

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seller oelemot:

  • # reviews: 12250
  • rating: 100.0%
  • city: Portland, Oregon

general oelemot:

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

shipping oelemot:

  • class: Standard, One-day, Expedited
  • type: Calculated
  • carrier: UPS
  • service: UPS Ground, UPS Next Day Air, UPS 2nd Day Air
  • cost: $0.00
  • transit: 4-7 Days
part type: gear motor, rated load: hp, base rpm: 57rpm, nominal rated input voltage: 460 v, ac phase: three phase,
category: business & industrial > industrial automation motion controls > electric > general purpose, sku: 20754194737421881,
Baldor GMP3330 Is Similar To:
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3 offers $300.00–$850.00 USD
  • Used. Offer #1 priced at $724.95 + $0.00 shipping estimate = $724.95* total. FREE SHIPPING
  • Used. Offer #2 priced at $300.00 + $59.28 shipping estimate = $359.28* total. Baldor 1/3HP AC Gearmotor 3PH 208-230/460V 57RPM 30:1.+$59.28 shipping
  • New – Open box. Offer #3 priced at $850.00 + $53.53 shipping estimate = $903.53* total. +$53.53 shipping

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