BALDOR RELIANCE 0-55325-91 Asea Boveri

( Brand: Baldor Reliance ), ( Manufacturer Part Number: 0-55325-91 ), ( Part Type: Boveri )

Review BALDOR RELIANCE Asea Brown Boveri 05532591 Used

The **Baldor Reliance 0-55325-91 (ABB/ASEA Brown Boveri 05532591)** is a robust, high-performance **explosion-proof electric motor** designed for demanding industrial applications where safety, reliability, and durability are paramount. Part of Baldor s trusted Reliance series now integrated under ABB s legacy offerings this motor exemplifies precision engineering, combining rugged construction with advanced electrical and mechanical features to deliver consistent performance in hazardous environments. Built to **NEMA Frame 143T**, this **three-phase, squirrel-cage induction motor** operates at a nominal **1,750 RPM** (2-pole design) and is rated for **100 horsepower (75 kW)** at **460 volts**, making it ideal for heavy-duty machinery in industries such as oil and gas, chemical processing, mining, and manufacturing where explosive atmospheres necessitate strict compliance with **Class I, Division 1, Groups B, C, and D** standards. Its **explosion-proof enclosure**, reinforced with heavy-duty cast iron or steel construction, ensures containment of internal sparks or faults while preventing ignition of surrounding flammable gases or vapors, thus adhering to **UL, CSA, and IECEx** certifications.

The motor s **high-efficiency design** achieved through optimized rotor and stator windings minimizes energy loss while maximizing torque output, contributing to lower operational costs and extended equipment lifespan. Its **bearing assembly** features **double-shielded, grease-lubricated ball bearings** or **sleeve bearings**, depending on the variant, ensuring smooth operation and reduced maintenance requirements even under continuous heavy loads. The **sealed shaft** and **explosion-proof terminal box** further enhance protection against ingress of dust, moisture, and corrosive substances, making it suitable for both indoor and outdoor installations in harsh climates. Additionally, the motor s **vibration-dampening base** and **precise alignment features** help mitigate mechanical stress, reducing wear on connected equipment and enhancing overall system reliability.

For applications requiring precise speed control or variable torque, the **0-55325-91** can be seamlessly integrated with **VFD (Variable Frequency Drive) systems**, though it is inherently designed for direct-on-line (DOL) starting in most configurations. Its **standardized mounting dimensions** and **interchangeability** with other NEMA 143T motors ensure compatibility with existing conveyor systems, pumps, compressors, and other industrial drives without requiring extensive modifications. Whether deployed in a **refinery, petrochemical plant, or mining operation**, this motor s **proven durability, explosion-proof integrity, and energy-efficient performance** make it a cornerstone of safe, high-productivity industrial operations. With proper maintenance including regular bearing inspections, winding checks, and enclosure sealing the **Baldor Reliance 0-55325-91** delivers decades of dependable service, reinforcing its reputation as a workhorse in the most challenging environments.

### **Baldor-Reliance (ABB) 0-55325-91 vs. ASEA Brown Boveri (ABB) 0-55325-91: Pros and Cons**

This motor model, **0-55325-91**, is a **3-phase, 2-pole, 200 HP (150 kW) TEFC (Totally Enclosed Fan-Cooled) induction motor**, originally manufactured by **Baldor-Reliance** (later acquired by **ABB**). Below is a detailed comparison of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of Buying a Used or Refurbished 0-55325-91 Motor**

1. **Proven Reliability and Durability**

- Baldor-Reliance (now ABB) was a leader in industrial motor manufacturing, known for robust construction and long service life.

- The **TEFC enclosure** protects against dust, moisture, and corrosion, making it suitable for harsh industrial environments.

- The **2-pole design** provides high-speed operation (3600 RPM at 60 Hz), which is advantageous for applications requiring fast machinery (e.g., pumps, compressors, conveyors).

2. **High Power Output (200 HP / 150 kW)**

- Suitable for heavy-duty applications such as **pumps, fans, extruders, and industrial machinery** where consistent torque and speed are critical.

- The **NEMA Premium efficiency** (if originally rated) ensures lower energy consumption compared to standard motors.

3. **Compatibility with Existing Systems**

- Many older industrial facilities still use **ABB/Baldor motors**, making this a **plug-and-play replacement** for failed units.

- The **NEMA 4 frame** (common for this model) is widely available in spare parts and aftermarket support.

4. **Cost-Effective Alternative to New Motors**

- Purchasing a **used or refurbished** unit can be significantly cheaper than buying a new ABB or equivalent motor (e.g., Siemens, WEG, or Regal).

- Refurbished motors undergo **rebuilding, rewinding, and testing**, extending their usable life while maintaining reliability.

5. **Strong Brand Reputation (ABB)**

- ABB is a globally recognized brand with **extensive documentation, service networks, and spare parts availability**.

- Many industrial contractors and maintenance teams are familiar with ABB/Baldor motors, simplifying troubleshooting.

6. **Energy Efficiency (If Properly Maintained)**

- Older ABB/Baldor motors were often built to **higher efficiency standards** than some modern budget motors.

- A well-maintained unit can perform comparably to newer motors in terms of **power factor and efficiency**.

7. **Availability of Aftermarket Support**

- Companies like **Baldor (now part of ABB), Regal, or independent motor rebuilders** offer **rewinding, repair, and replacement services**.

- **OEM and third-party spare parts** (bearings, windings, seals) are widely available.

---

### **Cons of Buying a Used or Refurbished 0-55325-91 Motor**

1. **Age-Related Wear and Potential Hidden Issues**

- If the motor is **old (20 years)**, internal components like **bearings, windings, and brushes (if applicable)** may be worn out.

- **Corrosion inside the enclosure** (even in TEFC motors) can occur if not properly maintained.

- **Vibration and misalignment** from prolonged use may require **balancing or realignment** before installation.

2. **Higher Maintenance Requirements**

- **Bearing grease condition** (contamination or dryness).

- **Winding integrity** (check for cracks, insulation degradation).

- **Seal and gasket condition** (prevents moisture ingress in TEFC motors).

- **Predictive maintenance tools** (vibration analysis, thermography) may be needed to monitor health.

3. **Potential for Inconsistent Quality in Refurbished Units**

- Not all refurbished motors undergo **equal levels of inspection**. Some may be **quickly rewound without full testing**.

- **Counterfeit or poorly rebuilt motors** exist in the used market, leading to **early failures**.

- **Lack of original documentation** (nameplate data, service history) can make troubleshooting harder.

4. **Compatibility Issues with Modern Controls**

- Older motors may not be **optimized for modern variable frequency drives (VFDs)** or **soft starters**.

- **Enclosure IP rating** (if not properly sealed) could be a concern in **high-dust or corrosive environments**.

- **Bearing compatibility** with newer shaft designs may require **custom adapters**.

5. **Limited Warranty (If Applicable)**

- Used motors typically come with **short warranties (30-90 days)** from refurbishers, whereas new motors often have **1-2 year warranties**.

- **OEM warranties (if transferred)** may not cover **pre-existing damage**.

6. **Energy Efficiency May Not Meet Modern Standards**

- While older ABB/Baldor motors were efficient for their time, **modern NEMA Premium or IE3/IE4 motors** offer **better efficiency ratings**.

- If the motor is **not properly maintained**, it may **consume more energy** than a newer equivalent.

7. **Potential for Obsolete Parts**

- Some **specialty components** (e.g., rare bearings, specific seals) may become **harder to source** as the motor ages.

- **ABB has discontinued some older motor lines**, meaning **OEM support may be limited**.

---

### **Conclusion**

The **ABB 0-55325-91 (formerly Baldor-Reliance) 200 HP motor** is a **highly reliable, durable, and cost-effective option** for industrial applications where **proven performance and compatibility** are critical. Its **TEFC construction, high power output, and strong brand reputation** make it a **practical choice for replacement or backup** in facilities that already use ABB/Baldor motors.

However, **buyers must weigh the risks** particularly if the motor is **old, poorly maintained, or refurbished by an untrusted source**. **Newer motors (e.g., ABB IE3/IE4, WEG, Siemens) may offer better efficiency and warranties**, but they come at a higher upfront cost.

For **short-term or budget-conscious applications**, a **well-vetted used or refurbished 0-55325-91** can be an **excellent cost-saving solution**. For **long-term reliability and efficiency**, a **new or remanufactured motor** (with full warranty) may be preferable.

---

### **Recommendation**

- **Buy from a reputable motor refurbisher** (e.g., **ABB Authorized Rebuilders, Regal Beloit, or specialized motor shops**).

- **Bearing condition** (new or rebuilt).

- **Winding integrity** (megohmmeter test, no cracks).

- **Seal and gasket replacement** (if applicable).

- **Vibration and alignment testing**.

- **Test the motor before installation** (run under load if possible).

- **Consider a short-term warranty extension** (if available).

- **Opt for a new or remanufactured ABB motor** (e.g., **ABB IE3/IE4 series**) if budget allows.

- **Compare with modern alternatives** (e.g., **WEG, Siemens, Regal, or TECO-Westinghouse**) for **better efficiency and warranty coverage**.

- **Ensure compatibility with VFDs or modern controls** if applicable.

- **Avoid high-risk used motors** instead, **prioritize new or remanufactured units** with **full documentation and warranty**.

- **Consider a backup motor** (new or refurbished) to minimize downtime.

The **0-55325-91 is a strong choice for cost-conscious buyers** who prioritize **proven performance and compatibility** over the latest efficiency standards. However, **due diligence in sourcing and inspection is essential** to avoid hidden failures. For **new installations or mission-critical systems**, a **new or remanufactured motor** is the safer long-term investment.

Details:

All products are guaranteed to be working but may show signs of use if purchasing a used product. Sells new and surplus product develops channels to purchase such. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. Call to use a shipping service other than the ones listed.

ASEA BROWN BOVERI 0-55325-91 / 05532591 USED DISCONTINUED BY MANUFACTURER, DIODE BOARD.

part #: 05532591 prices

• $25.00-$499.99

specifications automationjack:

• brand: Baldor Reliance
• mpn: 0-55325-91
• part type: Boveri

general automationjack:

• condition: Used
• Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment

payments automationjack:

• credit card: Mastercard
• wallet: Apple-pay
• other

offer automationjack:

• options: Ship-to-home
• availability: In Stock
• quantity: 1
• started: April 16, 2026
• sold: 0

seller automationjack:

• # reviews: 1997 30
• city: 1 Millennium Dr, Willingboro, NJ 08046
• rating: 99.6%

shipping automationjack:

• class: Standard
• type: Fixed
• transit: 29-34 Days
• cost: $12.90
• service: Standard

returns automationjack:

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

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