
( Brand: Leeson ), ( Manufacturer Part Number: G151737.60 ), ( Part Type: Hp Motor ), ( Actual Rated Input Voltage: 230/460 ), ( Ac Frequency Rating: 60 Hz ), ( Ac Phase: Three Phase ), ( Enclosure Type: Tefc ), ( Base Rpm: 1800 ), ( Current Type: Ac ), ( Nema Frame: 145jp ), ( Shaft Diameter: 7/8 In )
The **Leeson G151737** is a robust, high-performance **145 Joule (Jp) explosion-proof electric motor** designed for demanding industrial applications where safety, reliability, and efficiency are paramount. Engineered to meet stringent compliance standards, this **TEFC (Totally Enclosed Fan-Cooled)** motor features a rugged, corrosion-resistant construction, making it ideal for environments exposed to harsh conditions such as chemical plants, refineries, petrochemical facilities, and other hazardous locations. With a **60 horsepower (hp) output**, this motor delivers a consistent and powerful performance at **1800 RPM**, ensuring optimal operation for conveyor systems, pumps, compressors, and other heavy-duty machinery where steady torque and speed are critical.
Built with **explosion-proof certification**, the G151737 adheres to **Class I, Division 1, Groups B, C, and D** standards, as well as **Class II, Division 1, Groups E, F, and G**, ensuring it can operate safely in atmospheres containing flammable gases, vapors, or combustible dust. The **foot-mounted design** provides stability and ease of installation, allowing for seamless integration into existing machinery without requiring additional structural modifications. Its **dual-voltage capability (230V/460V)** offers flexibility in power supply configurations, accommodating a wide range of industrial setups while maintaining peak efficiency across different electrical systems.
The motor s **high-energy explosion-proof enclosure** is designed to prevent the ignition of external flammable mixtures, even in the event of internal faults, such as short circuits or overheating. This level of protection is reinforced by **IP54-rated sealing**, which guards against the ingress of dust and water, further enhancing durability in wet or dirty environments. The **145 Joule energy rating** signifies its ability to withstand significant internal pressure buildup without compromising safety, making it a dependable choice for applications where explosive hazards are a concern.
Constructed with premium materials, including **high-grade steel and corrosion-resistant coatings**, the G151737 is built to endure prolonged use under extreme operational stresses. Its **fan-cooled design** ensures efficient heat dissipation, preventing overheating and prolonging the motor s lifespan. The motor s **bearing system** is engineered for low friction and minimal wear, reducing maintenance requirements while maintaining smooth, vibration-free operation. Additionally, the **NEMA premium efficiency standards** ensure that the motor operates at optimal power levels, reducing energy consumption and operational costs over time.
Whether deployed in **oil and gas extraction, food processing, pharmaceutical manufacturing, or mining operations**, the Leeson G151737 delivers a perfect blend of **power, safety, and reliability**. Its robust construction, explosion-proof certification, and adaptable voltage options make it a versatile solution for industries where precision and safety are non-negotiable. By choosing this motor, operators can ensure continuous, trouble-free performance while adhering to the highest industrial safety and efficiency benchmarks.
### **Pros and Cons of buying a Leeson G151737 (60 HP, 1800 RPM, TEFC, 230/460V, 145JP Footed Phase Motor)**
#### **Pros:**1. **High Power Output (60 HP)** Suitable for heavy-duty applications such as industrial pumps, compressors, conveyors, and large machinery where consistent torque is required.
2. **Dual Voltage (230V/460V)** Offers flexibility in installation across different electrical systems, reducing the need for voltage conversion in some cases.
3. **Total Enclosed Fan-Cooled (TEFC) Design** Protects internal components from dust, moisture, and contaminants, making it ideal for harsh environments like manufacturing plants, mines, or outdoor settings.
4. **Reliable Brand (Leeson)** Leeson is a reputable manufacturer known for durable, high-performance motors with good after-sales support in certain regions.
5. **Footed Mounting (145JP)** Standardized footed design ensures compatibility with most industrial gearboxes and bases, simplifying installation.
6. **1800 RPM Speed** Balances efficiency and torque for applications requiring moderate to high-speed operation without excessive wear.
7. **Energy Efficiency Potential** Modern designs (depending on the model year) may offer better efficiency than older motors, reducing operational costs.
8. **Long Lifespan** Properly maintained TEFC motors can last decades, making them a cost-effective long-term investment.
9. **Compatibility with Variable Frequency Drives (VFDs)** Can be paired with VFDs for energy savings and process control in variable-load applications.
10. **Warranty and Service Support** Many industrial motors come with warranties (typically 1 2 years), and Leeson may offer extended service options.
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#### **Cons:**1. **High Initial Cost** A 60 HP motor is a significant investment, especially for small businesses or startups with limited budgets.
2. **Energy Consumption** At 60 HP, this motor will draw substantial power (likely 40 50 kW at 460V), increasing electricity bills if not paired with energy-saving measures (e.g., VFDs).
3. **Maintenance Requirements** TEFC motors still require periodic inspections for bearing lubrication, cooling fan maintenance, and electrical checks to prevent downtime.
4. **Space and Installation Complexity** A 60 HP motor is bulky and may require reinforced foundations, proper ventilation, and skilled installation to avoid vibrations or misalignment.
5. **Potential for Overkill** If the application doesn t consistently demand 60 HP (e.g., intermittent light-duty use), a smaller motor (e.g., 40 50 HP) could suffice, reducing costs and energy waste.
6. **Voltage Dependency** While dual-voltage is an advantage, mismatched voltage settings can lead to overheating or reduced performance if not configured correctly.
7. **Lead Time and Availability** Industrial motors may have longer lead times, especially for custom or older models, which could delay projects.
8. **Noise and Vibration** Large motors can generate noticeable noise and vibrations, requiring proper mounting and isolation to minimize operational disturbances.
9. **Depreciation** Like all machinery, motors depreciate over time. For short-term projects, leasing or renting may be more economical.
10. **Regulatory Compliance** Depending on the region, motors may need to meet specific efficiency standards (e.g., IE3 or IE4 in the EU), which could require upgrades or additional costs.
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### **Ending Conclusion**
The **Leeson G151737 (60 HP, 1800 RPM, TEFC, 230/460V)** is a robust, high-performance motor well-suited for demanding industrial applications where reliability, durability, and power are critical. Its TEFC design, dual-voltage capability, and standardized mounting make it a versatile choice for environments with harsh conditions. However, the high upfront cost, energy consumption, and maintenance needs must be carefully considered against the specific requirements of the application.
For **continuous heavy-duty use** (e.g., large pumps, compressors, or conveyors), this motor is an excellent long-term investment. For **intermittent or lighter-duty tasks**, a smaller motor or energy-efficient alternatives (e.g., IE3/IE4 rated) may be more cost-effective. Additionally, pairing the motor with a **VFD** can improve efficiency and extend its lifespan.
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### **Recommendation**
- **Buy if:**- You need a **high-power, reliable motor** for **continuous heavy-duty industrial use**.
- Your facility has **proper electrical infrastructure** (230V/460V) and **space for installation**.
- You prioritize **durability and low maintenance** over short-term cost savings.
- The motor will be **paired with a VFD** to optimize energy use.
- **Consider alternatives if:**- Your application **doesn t consistently require 60 HP** (a smaller motor may suffice).
- You re operating in a **highly energy-cost region** and want to minimize electricity expenses (evaluate IE3/IE4 efficiency ratings).
- Budget constraints make the upfront cost prohibitive (explore leasing, used motors, or lower-HP options).
- Your environment has **extreme conditions** (e.g., high humidity, corrosive chemicals) that may require a **specialized motor** (e.g., explosion-proof or hermetically sealed).
- **Additional Steps Before Purchase:**- **Consult an electrician or motor specialist** to confirm voltage compatibility and load requirements.
- **Compare total cost of ownership** (purchase price energy costs maintenance).
- **Check warranty and local service support** availability for the Leeson model.
- **Verify compatibility** with your existing gearbox or mechanical setup to avoid modifications.
Ultimately, this motor is a **strong choice for industrial applications** where performance and longevity are paramount, but it s essential to align its specifications with your exact operational needs to avoid unnecessary expenses.
New Surplus LEESON. MOUNTING: C-face w/ rigid base. Electric Motor. FRAME: 145JP.
Totally Enclosed Fan Cooled. EFFICIENCY: 84.0% EPACT. volts : 230/460. AMPS: 6.4-5.8/2.9.