BALDOR P56X3900 Reliance Severe Xt 34H405-009761 .5HP 208-230/460V 3-PH

( Brand: Baldor ), ( Manufacturer Part Number: P56X3900 ), ( Model: RELIANCE SEVERE DUTY XT P56X3900 ), ( Part Type: 5hp ), ( Nominal Rated Input Voltage: 460 V ), ( Rated Load: Hp ), ( Current Type: Ac ), ( Service Factor: 1.15 ), ( Ac Phase: Three Phase )

Review BALDOR Reliance Severe Duty Xt .5hp 208-230/460v 3-ph

The **Baldor P56X3900 Reliance Severe XT** motor, identified by its model number **34H405-009761**, is a robust, high-performance electric motor engineered to deliver exceptional reliability and efficiency in demanding industrial applications. Part of Baldor s **Reliance Severe XT** series, this **5 horsepower (HP)** three-phase motor is designed with premium materials and advanced engineering to withstand the harshest operating conditions, making it an ideal choice for environments where durability, longevity, and consistent performance are critical. Built with a **TEFC (Totally Enclosed Fan-Cooled)** construction, this motor ensures protection against dust, moisture, and corrosive elements while maintaining optimal thermal management through an integrated cooling fan. The **3900 series** designation highlights its compact yet powerful design, featuring a **56 frame size** that balances space efficiency with robust torque output, making it suitable for a wide range of machinery, including conveyors, pumps, compressors, and material handling equipment.

Powered by a **three-phase voltage range of 208-230V or 460V**, this motor offers versatility in electrical system compatibility, allowing it to integrate seamlessly into various industrial setups without requiring significant modifications. The **5HP rating** provides a balanced output for applications requiring moderate to heavy-duty performance, ensuring consistent power delivery while minimizing energy consumption. Baldor s **Reliance Severe XT** technology incorporates high-quality insulation systems, such as **Class F insulation**, which enhances resistance to heat and extends the motor s operational lifespan even under continuous or intermittent heavy loads. Additionally, the motor s **sealed ball bearings** and precision-engineered shaft design reduce friction and wear, contributing to smoother operation and lower maintenance requirements over time.

What truly sets this motor apart is its **Severe XT** designation, which signifies an elevated standard of ruggedness and resilience. This series is built to endure extreme conditions, including high shock loads, frequent starts and stops, and exposure to abrasive particles, making it particularly well-suited for industries like mining, manufacturing, and wastewater treatment. The motor s **high-efficiency design** not only reduces operational costs by lowering energy usage but also minimizes heat generation, further protecting internal components from premature degradation. Baldor s reputation for quality assurance is reinforced by the **34H405-009761** model, which adheres to strict manufacturing standards, ensuring that every unit undergoes rigorous testing for performance, reliability, and compliance with industry regulations such as NEMA and UL certifications.

For engineers and facility managers seeking a motor that combines **durability, efficiency, and adaptability**, the **Baldor P56X3900 Reliance Severe XT** stands out as a dependable workhorse. Its compact yet powerful frame, versatile voltage compatibility, and advanced protective features make it a cost-effective solution for applications where downtime is unacceptable, and performance must be consistent under the most challenging conditions. Whether integrated into a new system or retrofitted into an existing setup, this motor exemplifies Baldor s commitment to delivering high-performance electric solutions that drive productivity and operational excellence.

### **Baldor P56X3900 Reliance Severe XT Motor (34H405-009761) Pros and Cons**

#### **Overview**

The Baldor P56X3900 Reliance Severe XT motor is a high-performance, explosion-proof electric motor designed for harsh industrial environments. It is rated at **5 HP, 3-phase, 208-230V/460V**, with a **NEMA Premium efficiency** rating and **Class I, Division 2, Groups C & D** certification for hazardous locations. This motor is part of Baldor s Severe XT series, which emphasizes durability, reliability, and compliance with strict industrial safety standards.

---

### **Pros**

1. **Explosion-Proof Certification (Class I, Div. 2, Groups C & D)**

- Suitable for use in hazardous environments where flammable gases or vapors may be present (e.g., chemical plants, refineries, oil/gas facilities).

- Meets **NEC and ATEX** standards, reducing fire and explosion risks.

2. **High Durability and Reliability**

- Built with **Severe XT technology**, which includes reinforced bearings, corrosion-resistant coatings, and robust enclosure designs.

- Designed for **long-term operation in extreme conditions**, such as high temperatures, humidity, and abrasive environments.

3. **NEMA Premium Efficiency**

- Meets or exceeds **U.S. Department of Energy (DOE) efficiency standards**, reducing energy consumption and operational costs.

- Helps improve overall system efficiency in industrial applications.

4. **Wide Voltage Range (208-230V/460V)**

- Compatible with **multiple voltage systems**, making it versatile for different industrial setups without requiring significant modifications.

5. **Premium Bearings and Sealing**

- Features **high-quality bearings** (likely sealed for life or with extended lubrication intervals) to minimize maintenance needs.

- **IP65 or IP66-rated enclosure** (depending on model) provides protection against dust, water, and corrosion.

6. **Compatibility with Baldor s Reliance Line**

- Part of Baldor s **Reliance series**, which is known for **consistent performance and compatibility** with other Baldor components (e.g., variable frequency drives, gearboxes).

- Easier to integrate into existing Baldor-based systems.

7. **Low Maintenance Requirements**

- Designed for **reduced wear and tear**, leading to fewer breakdowns and lower maintenance costs over time.

- Some models may include **predictive maintenance features** (e.g., vibration monitoring points) for early fault detection.

8. **Global Compliance and Certifications**

- Meets **UL, CSA, CE, and other international safety standards**, making it suitable for export or use in regulated industries.

- Compliance with **OSHA and API standards** in oil/gas and petrochemical applications.

9. **Quiet Operation**

- Engineered for **low noise levels**, which is beneficial in facilities where noise reduction is a priority.

10. **Long Warranty (Typical for Baldor Motors)**

- Baldor motors often come with **extended warranties (e.g., 1-5 years)**, depending on the application and purchase terms.

---

### **Cons**

1. **High Upfront Cost**

- Explosion-proof and high-efficiency motors are **more expensive** than standard NEMA or IEC motors.

- The **Severe XT series** is positioned as a premium product, so budget-conscious buyers may find alternatives cheaper.

2. **Limited Availability of Spare Parts**

- While Baldor is a reputable brand, **finding replacement parts** (especially for older models) can be challenging compared to more widely distributed motors (e.g., TEFC or open-drip-proof designs).

- Some components may require **special ordering**, increasing downtime if repairs are needed.

3. **Specialized Installation Requirements**

- Explosion-proof motors require **proper grounding, ventilation, and certification-compliant wiring**, which may necessitate **additional installation costs** (e.g., hiring certified electricians).

- Not all facilities have the expertise to install or maintain Class I, Div. 2 equipment safely.

4. **Weight and Size**

- Due to **reinforced construction and explosion-proof design**, this motor is **heavier and bulkier** than standard motors, which may complicate installation in space-constrained environments.

5. **Potential for Overkill in Non-Hazardous Applications**

- If the motor is being used in a **non-hazardous location**, the **explosion-proof features may be unnecessary**, making a standard NEMA motor a more cost-effective choice.

6. **Compatibility Issues with Non-Baldor Systems**

- While Baldor motors are well-integrated with their own drives and components, **third-party compatibility** (e.g., with non-Baldor VFD or gearboxes) may require additional testing or modifications.

7. **Energy Costs in High-Voltage Systems**

- While the motor is efficient, **higher voltage systems (e.g., 460V)** may require **additional transformers or wiring upgrades**, increasing initial setup costs.

8. **Limited Customization Options**

- Unlike some OEM motors, Baldor s standard offerings may not allow for **custom shaft lengths, mounting configurations, or specialized enclosures** without significant lead times or additional costs.

9. **Resale Value Depreciation**

- Like most industrial equipment, the **resale value of a Baldor Severe XT motor depreciates over time**, especially if newer, more efficient models are released.

10. **Potential for Overengineering in Mild Environments**

- If the operating conditions are **not extremely harsh** (e.g., no corrosive gases, minimal temperature fluctuations), a **less expensive motor** (e.g., TEFC or explosion-proof but non-Severe XT) may suffice.

---

### **Conclusion**

The **Baldor P56X3900 Reliance Severe XT motor (34H405-009761)** is an **excellent choice** for applications requiring **explosion-proof certification, high durability, and energy efficiency** in hazardous environments. Its **premium build quality, compliance with strict safety standards, and long-term reliability** make it ideal for industries such as:

- **Oil & gas**

- **Chemical processing**

- **Petrochemical refineries**

- **Pharmaceutical manufacturing**

- **Food processing (where explosion hazards exist)**

However, for **non-hazardous applications or facilities with tight budgets**, a **standard NEMA or IEC motor** may be a more economical alternative. The **high upfront cost, specialized installation needs, and potential part availability issues** must be carefully considered before purchase.

If the motor is **necessary for compliance or extreme operating conditions**, the **long-term savings in downtime, energy efficiency, and safety** will likely outweigh the initial investment. Conversely, if the application does not demand explosion-proof or Severe XT-level durability, exploring **less expensive but still high-quality alternatives** (e.g., other Baldor Reliance models or reputable OEM brands) could be more cost-effective.

---

### **Recommendation**

You operate in a **hazardous location (Class I, Div. 2, Groups C & D)** and require **explosion-proof certification**.

Your application demands **high durability, low maintenance, and energy efficiency** in **corrosive, high-temperature, or abrasive environments**.

You are already using **Baldor components** (e.g., VFDs, gearboxes) and want **seamless integration**.

Long-term **reliability and reduced downtime** are critical to your operations.

Your application is **not in a hazardous location**, and a **standard explosion-proof or TEFC motor** would suffice.

Budget constraints make this motor **too expensive**, and you can find a **comparably efficient but less costly option**.

Your facility lacks **expertise in explosion-proof motor installation and maintenance**.

You require **custom modifications** that Baldor does not readily support.

For **high-risk industrial environments where safety and longevity are paramount**, the **Baldor P56X3900 Severe XT motor is a strong, well-supported choice**. For other applications, a **cost-benefit analysis** against alternatives is strongly advised. Always verify **specific voltage requirements, mounting constraints, and local safety regulations** before finalizing the purchase.

Details:

Not the right part. BALDOR RELIANCE Severe Duty XT P56X3900 / 34H405-009761 .5HP 208-230/460V 3-PH PREOWNED - FAST SHIPPED AND BACKED BY WARRANTY. No long wait times and absolutely no price gouging. J also offers a 30-day worry free guarantee.

Not the right size.

part #: p56x3900 price

• $400.00

specifications oelemot:

• brand: Baldor
• mpn: P56x3900
• model: Reliance Severe Duty Xt P56x3900
• part type: 5hp
• nominal rated input voltage: 460 V
• rated load: Hp
• current type: Ac
• service factor: 1.15
• ac phase: Three Phase

returns oelemot:

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

general oelemot:

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

shipping oelemot:

• cost: $57.92
• transit: 4-7 Days
• type: Calculated
• service: UPS Ground, UPS Next Day Air
• class: Standard, One-day
• carrier: UPS

seller oelemot:

• city: New Paris, Indiana
• # reviews: 17410
• rating: 99.9%

payments oelemot:

• check
• wallet: Apple-pay
• money order
• cash
• credit card: Visa
• other

offer oelemot:

• sold: 0
• quantity: 1
• availability: In Stock
• started: February 13, 2026
• best offers: True
• options: Ship-to-home

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