
( Brand: Baldor ), ( Manufacturer Part Number: L35151T ), ( Part Type: Hp 230v Motor ), ( Iec Frame Size: 145t ), ( Ac Frequency Rating: 60 Hz ), ( Enclosure Type: Tefc ), ( Base Rpm: 3450 ), ( Shaft Type: Keyed ), ( Shaft Diameter: 7/8 In ), ( Mounting Type: Base-mounted ), ( Current Type: Ac ), ( Nominal Rated Input Voltage: 115 V, 208 V, 230 V ), ( Ac Phase: Single Phase ), ( Country Of Origin: United States )
The **Baldor L35151T** is a robust, high-performance induction motor engineered for reliability, efficiency, and versatility in industrial and commercial applications. Part of Baldor s trusted line of premium electric motors, this **3-phase, 115/230-volt** unit delivers **3 horsepower (HP)** of consistent power at a rated speed of **3,450 RPM**, making it an ideal choice for demanding machinery such as pumps, compressors, conveyors, and HVAC systems. Built with Baldor s signature precision, the L35151T features a **TEFC (Totally Enclosed Fan-Cooled)** design, ensuring optimal protection against dust, moisture, and contaminants while maintaining efficient thermal management through an integrated cooling fan. Its compact yet sturdy **NEMA Premium efficiency** construction minimizes energy consumption without compromising performance, aligning with modern sustainability standards and cost-saving operational goals.
The motor s **172-frame size** balances power output with space efficiency, allowing for seamless integration into tight mechanical layouts while still accommodating heavy-duty applications. Constructed from high-grade materials, including a **cast iron end shields and housing**, the L35151T resists wear and corrosion, extending its operational lifespan even in harsh environments. The **Class B insulation system** (rated for a temperature rise of 80 C) ensures long-term durability, while the **ball-bearing support** provides smooth, vibration-dampened operation, reducing maintenance needs and downtime. Baldor s proprietary **Vectra insulation system** further enhances resistance to electrical stress, contributing to the motor s reliability under continuous or intermittent load conditions.
Designed with ease of installation and service in mind, the L35151T features a **standard NEMA 42 flange mounting**, compatible with a wide range of gearboxes, couplings, and drive systems. Its **115/230-volt dual-voltage capability** offers flexibility for single- or three-phase applications, simplifying inventory management and reducing spare parts requirements. The motor s **low-noise operation** and balanced rotor design minimize operational disturbances, while its **high starting torque** ensures reliable performance even under heavy load conditions. Whether deployed in manufacturing plants, commercial buildings, or agricultural settings, the Baldor L35151T combines Baldor s reputation for innovation with practical engineering to deliver a motor that is as dependable as it is efficient a testament to Baldor s commitment to quality and performance in every application.
### **Baldor L35151T Motor (3 HP, 3450 RPM, 115/230V, Single-Phase) Pros and Cons**
#### **Pros:**1. **Reliability and Brand Reputation** Baldor (now part of Emerson Electric) is a well-established manufacturer known for durable, high-quality electric motors. Their motors are widely used in industrial, commercial, and residential applications due to their dependability.
2. **Energy Efficiency** This motor likely meets or exceeds NEMA efficiency standards, helping reduce energy consumption compared to older, less efficient models. Energy savings can lead to lower operating costs over time.
3. **Compatibility with Common Voltages** The dual-voltage rating (115V/230V) makes this motor versatile for different electrical setups without requiring a voltage converter, which can be convenient for installations in North America and other regions with similar standards.
4. **Standardized Design** The NEMA frame size (likely 143T, given the model number) is widely available, meaning replacement parts, bearings, and seals are easy to source. This reduces downtime and maintenance costs.
5. **Good for Light-Duty Applications** At 3 HP, this motor is suitable for small to medium-sized fans, pumps, compressors, and machinery where moderate power is required. It can handle continuous operation in well-ventilated environments.
6. **Cost-Effective for the Specifications** Compared to premium or custom motors, this Baldor model offers a balance of performance and affordability, making it a practical choice for budget-conscious buyers.
7. **Easy Installation and Maintenance** Single-phase motors like this one are simpler to install than three-phase motors, requiring fewer wiring connections. Maintenance is straightforward, with common issues (e.g., bearing wear, winding problems) being relatively easy to diagnose.
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#### **Cons:**1. **Single-Phase Limitations** Single-phase motors (like this one) are less powerful and efficient than three-phase motors of the same horsepower. They may struggle with heavy loads, starting torque, or applications requiring smooth, consistent operation (e.g., some industrial processes). Starting a single-phase motor can also require additional components like capacitors or starters.
2. **Lower Starting Torque** Single-phase motors often have weaker starting torque compared to three-phase motors, which can be problematic for applications requiring immediate high torque (e.g., pumps filling a tank or compressors under heavy load). This may necessitate the use of a capacitor start or other auxiliary devices.
3. **Higher Current Draw During Startup** Single-phase motors can draw significantly more current when starting, which may trip circuit breakers or overload household or light-commercial electrical systems. A dedicated circuit or a soft-start device may be required.
4. **Limited Speed Control Options** Unlike three-phase motors, which can easily be controlled with variable frequency drives (VFDs), single-phase motors often require additional equipment (e.g., solid-state relays, variable capacitors) for speed adjustment. This adds complexity and cost.
5. **Potential for Vibration and Noise** Single-phase motors can sometimes vibrate more than three-phase motors, especially if the load is imbalanced or the motor is not properly aligned. Excessive vibration can lead to premature wear of bearings and other components.
6. **Shorter Lifespan in Harsh Environments** While Baldor motors are durable, exposure to extreme temperatures, humidity, dust, or corrosive environments can reduce their lifespan. This motor is likely not rated for harsh or explosive environments (e.g., NEMA 4X or explosion-proof), which may limit its use in certain settings.
7. **Dependence on Quality Installation** Poor wiring, incorrect phase connection, or improper grounding can lead to motor failure or electrical hazards. Single-phase motors are more sensitive to electrical issues than three-phase motors, so installation must be precise.
8. **Limited Customization** Unlike custom or premium motors, this Baldor model offers standard specifications. If you require specific features (e.g., high-efficiency ratings beyond NEMA, special enclosures, or custom mounting), you may need to upgrade to a more expensive model.
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### **Conclusion**
The **Baldor L35151T (3 HP, 3450 RPM, 115/230V, single-phase)** motor is a **reliable, cost-effective choice for light-duty applications** where moderate power and simplicity are prioritized. It excels in **residential, small commercial, or light industrial settings** where the motor will run under normal conditions with proper electrical support. Its **dual-voltage capability, ease of maintenance, and brand reputation** make it a practical option for many users.
However, it is **not ideal for heavy-duty, high-torque, or speed-sensitive applications**, where a **three-phase motor or a more powerful single-phase motor with auxiliary starting components** would be better suited. The **lower starting torque and higher current draw** during startup can also be drawbacks if the motor is used in demanding environments without additional hardware.
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### **Recommendation**
- **Buy this motor if:**- You need a **reliable, affordable 3 HP motor** for **light-duty fans, small pumps, or compressors** in a **well-ventilated, non-harsh environment**.
- Your application **does not require high starting torque or speed control** (or you are willing to add a capacitor or soft-start device).
- You prefer a **standardized, easy-to-maintain motor** with a proven track record from a trusted brand.
- Your electrical system can **handle the starting current** (consider upgrading your circuit breaker if necessary).
- **Consider an alternative if:**- Your application requires **high starting torque, smooth speed control, or continuous heavy loads** (e.g., large pumps, conveyors, or industrial machinery). In this case, a **three-phase motor or a higher-torque single-phase motor** (e.g., with a permanent split capacitor or universal motor design) would be better.
- You operate in a **harsh environment** (extreme heat, dust, moisture, or corrosive conditions), where a **NEMA 4X or explosion-proof motor** would be more appropriate.
- You need **precise speed control**, which would require a **VFD-compatible three-phase motor** or additional single-phase control hardware.
- Your budget allows for **higher efficiency** (e.g., Premium Efficiency NEMA motors), which could reduce long-term operating costs.
**Final Verdict:** For **most small-scale, non-critical applications**, this Baldor motor is a **solid, practical purchase**. However, for **performance-critical or heavy-duty use**, investing in a more suitable motor (or upgrading the electrical setup) may be worthwhile. Always verify the motor s **actual load requirements** and **electrical compatibility** before purchasing.
Spec 35C01-506. Single Phase. Good Condition. Weight 49 lbs.
Baldor Industrial Motor Size 2 Hp. Slightly used. volts 115-208/230V. Two Grease Zeke Fittings.