LEESON 170039.60 Wattsaver Pem Rpm Tefc Rigid 40 208-230/460V 3555 324TS

( Brand: Leeson ), ( Manufacturer Part Number: 170039.60 ), ( Part Type: Hp ), ( Inverter/vector Duty Rating: Inverter Duty ), ( Nema Design Letter: Design B ), ( Ac Frequency Rating: 50/60 Hz ), ( Special Motor Construction: Continuous Duty ), ( Enclosure Type: Tefc ), ( Base Rpm: 3555 ), ( Shaft Type: Keyed ), ( Ac Motor Type: Induction/asynchronous ), ( Shaft Diameter: 1 7/8 In ), ( Insulation Class: F ), ( Mounting Type: Rigid ), ( Reversible/non-reversible: Reversible ), ( Current Type: Ac ), ( Service Factor: 1.15 ), ( Nominal Rated Input Voltage: 208-230/460 V ), ( Ac Phase: Three Phase )

Review LEESON 40 Hp Wattsaver Pem 208-230/460v Rpm Tefc Rigid

The **Leeson 170039.60 40 HP Wattsaver Permanent Magnet (PEM) Motor** is a high-efficiency, premium-grade electric motor engineered for demanding industrial applications where reliability, energy savings, and performance are paramount. This **40 horsepower (HP) motor** operates at a nominal speed of **3,555 RPM**, delivering consistent and precise rotational power while maintaining exceptional torque output for a wide range of machinery, including conveyors, pumps, compressors, and industrial fans. Designed with **permanent magnet technology**, the motor achieves superior energy efficiency consuming significantly less power than traditional induction motors while producing the same or greater output. This translates to substantial cost savings on electricity bills and reduced environmental impact, making it an ideal choice for facilities prioritizing sustainability and operational efficiency.

Built to **NEMA Premium standards**, this motor features a **TEFC (Totally Enclosed Fan-Cooled)** construction, ensuring robust protection against dust, moisture, and corrosive environments while maintaining optimal thermal performance. The rigid frame design enhances structural integrity, reducing vibration and noise levels, which contributes to longer equipment lifespan and smoother operation. With a **voltage rating of 208 230/460V**, the motor is versatile enough to integrate seamlessly into various electrical systems, accommodating different industrial setups without compromising performance. The **324TS frame size** provides ample space for internal components, allowing for efficient cooling and durability under continuous heavy-duty use.

One of the standout features of this motor is its **Wattsaver technology**, which optimizes power consumption through advanced magnetic design and reduced core losses. This innovation ensures that the motor operates at peak efficiency across its entire load range, minimizing energy waste and extending the life of associated drive systems. Additionally, the **permanent magnet rotor** eliminates the need for slip, resulting in higher efficiency and smoother acceleration compared to induction motors. The motor s compact yet robust design also simplifies installation and maintenance, as it requires less space and features accessible components for routine upkeep.

Ideal for applications requiring **high reliability and energy savings**, the Leeson 170039.60 is built to withstand the rigors of industrial environments while delivering consistent, high-performance operation. Whether used in manufacturing plants, commercial HVAC systems, or material handling equipment, this motor ensures operational excellence with minimal energy loss, reduced maintenance demands, and extended service life. Its combination of **premium efficiency, durability, and adaptability** makes it a superior investment for businesses seeking to enhance productivity while cutting operational costs.

### **Analysis of the Leson 170039.60 40 HP Wattsaver Motor (208-230/460V, 3555 RPM, TEFC, Rigid)**

This motor is a **40 HP, three-phase, induction, TEFC (Totally Enclosed Fan-Cooled)** unit designed for industrial applications. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

---

### **Pros**

1. **Energy Efficiency (Wattsaver Technology)**

- The motor incorporates **Wattsaver technology**, which reduces energy consumption by optimizing magnetic flux and minimizing losses. This can lead to **5-10% energy savings** compared to standard motors, lowering operational costs over time.

- Suitable for applications where **cost-effective power usage** is critical, such as manufacturing, HVAC, or conveyor systems.

2. **Dual Voltage Capability (208-230V / 460V)**

- The ability to operate on **both 208-230V and 460V** provides flexibility in different electrical setups, reducing the need for additional voltage conversion equipment.

- Useful in facilities where **voltage requirements vary** or where future voltage upgrades may be planned.

3. **High Efficiency Rating**

- As a **NEMA Premium-efficient motor**, it meets or exceeds industry standards for energy performance, making it a **cost-effective long-term investment** compared to lower-efficiency models.

- Complies with **energy regulations** in many regions, avoiding potential compliance issues.

4. **Rigid Mounting (B35 Frame)**

- The **rigid (foot-mounted) design** ensures stable operation in applications requiring **minimal vibration and alignment issues**, such as pumps, compressors, or machine tools.

- Simplifies installation and reduces maintenance related to shaft misalignment.

5. **Totally Enclosed Fan-Cooled (TEFC) Construction**

- Protects against **dust, moisture, and corrosive environments**, making it suitable for **dirty, humid, or chemically exposed** settings (e.g., food processing, mining, or outdoor applications).

- Extends motor lifespan by preventing **premature wear** from external contaminants.

6. **Reliable Brand (Leson)**

- Leson is a **well-established manufacturer** with a reputation for **durability and performance** in industrial motors. Their products are widely used in **OEM applications and replacement markets**.

- Availability of **after-sales support, spare parts, and warranties** enhances reliability.

7. **Standard NEMA Dimensions**

- Fits seamlessly into **existing motor mounts and coupling systems**, reducing retrofitting costs.

- Compatible with **common industrial gearboxes and belts**, ensuring ease of integration.

8. **Low Maintenance Requirements**

- The **sealed construction and efficient cooling** reduce the need for frequent lubrication or cooling system checks.

- Longer **mean time between failures (MTBF)** compared to open or splash-proof motors in harsh conditions.

9. **Quiet Operation**

- Designed for **low noise levels**, which is beneficial in **workplace environments** where noise reduction is desired (e.g., offices, cleanrooms).

10. **Warranty and Support**

- Leson motors typically come with **standard warranties (1-2 years)**, and some distributors may offer extended coverage.

- Access to **technical support and service networks** ensures quicker troubleshooting and repairs.

---

### **Cons**

1. **Higher Upfront Cost**

- While the **long-term energy savings justify the expense**, the initial purchase price is **higher than standard efficiency motors** (e.g., NEMA II or lower).

- Budget-conscious buyers may opt for **cheaper alternatives** if upfront costs are a priority over efficiency.

2. **Limited Single-Phase Compatibility**

- This motor is **three-phase only**, meaning it **cannot be used in single-phase electrical systems** without additional equipment (e.g., a VFD or phase converter).

- Requires a **dedicated three-phase power supply**, which may not be available in all locations.

3. **Weight and Size**

- As a **40 HP motor**, it is **heavier and bulkier** than smaller units, which may complicate **installation in space-constrained environments**.

- Shipping and handling costs may be higher due to its size.

4. **Dependence on Proper Installation**

- Poor **alignment, grounding, or cooling airflow** can reduce efficiency and lifespan. Requires **skilled installation** to avoid issues.

- Inadequate **ventilation** (e.g., blocked cooling fans) can lead to **overheating and premature failure**.

5. **Potential Compatibility Issues with Older Systems**

- Some **legacy systems** may not be optimized for high-efficiency motors, leading to **mismatched torque or speed requirements**.

- May require **additional components** (e.g., soft starters, VFDs) for smooth operation in certain applications.

6. **Limited Customization Options**

- Leson offers **standard configurations**, and **custom modifications** (e.g., special shaft lengths, enclosures) may incur additional costs.

- Not ideal for **highly specialized applications** requiring non-standard features.

7. **Potential for Higher Initial Inrush Current**

- Like most induction motors, it may draw a **high starting current**, which could require **fuse or breaker sizing adjustments** in the electrical panel.

- May necessitate **soft starters or reduced-voltage starters** for sensitive systems.

8. **Resale Value Depreciation**

- High-efficiency motors **depreciate slower** than standard ones, but they still lose value over time. If resale is a consideration, the **initial premium may not be fully recovered**.

9. **Dependence on Quality Power Supply**

- **Voltage fluctuations, harmonics, or poor power quality** can reduce efficiency and lifespan. Requires a **stable electrical infrastructure**.

- May need **power conditioning equipment** (e.g., filters, regulators) in environments with unstable power.

10. **Potential for Overkill in Low-Demand Applications**

- If the application **rarely operates at full load**, the motor may **run inefficiently** at partial loads, negating some energy savings.

- In **light-duty or intermittent-use** scenarios, a smaller motor might suffice with better efficiency at lower loads.

---

### **Conclusion**

The **Leson 170039.60 40 HP Wattsaver motor** is a **highly efficient, durable, and versatile** choice for industrial applications requiring **reliable three-phase power**. Its **energy-saving features, dual-voltage capability, and robust construction** make it a **strong long-term investment**, particularly in **cost-sensitive or high-operating-hour environments**.

However, the **higher upfront cost, three-phase dependency, and installation requirements** may be drawbacks for **budget-limited or single-phase setups**. It is **best suited for applications where efficiency, longevity, and flexibility are prioritized over initial cost**, such as:

- **Manufacturing plants** (conveyors, presses, pumps)

- **HVAC systems** (chillers, fans, blowers)

- **Food processing or pharmaceutical facilities** (clean, enclosed environments)

- **Mining or outdoor industrial settings** (dust, moisture resistance)

For **low-budget or single-phase applications**, a **standard efficiency motor or a smaller high-efficiency unit** may be more appropriate. Additionally, if **torque or speed requirements vary significantly**, pairing this motor with a **variable frequency drive (VFD)** could further optimize performance.

---

### **Final Recommendation**

You need a **reliable, energy-efficient 40 HP motor** for a **three-phase industrial application**.

Your facility has **stable power supply and proper installation infrastructure**.

You prioritize **long-term cost savings** over upfront expenses.

The environment is **dirty, humid, or corrosive**, requiring a **TEFC enclosure**.

You plan to **operate the motor at or near full load** for extended periods.

Your budget is **extremely tight**, and you can tolerate slightly lower efficiency.

Your system is **single-phase**, and you cannot install a VFD or phase converter.

The application involves **frequent partial loads**, where a smaller motor might be more efficient.

You lack **proper electrical or mechanical expertise** for installation and maintenance.

The motor will be **idle for long periods**, as energy savings may not justify the cost.

- If **cost is the primary concern**, compare with **standard NEMA II 40 HP motors** (though they will have higher energy costs).

- If **space is limited**, evaluate **explosion-proof or smaller-frame high-efficiency motors**.

- If **variable speed is needed**, pair this motor with a **VFD** for optimized performance.

**Overall Verdict:** This is a **strong purchase for most industrial 40 HP applications** where efficiency and durability matter. Ensure proper sizing, installation, and power supply to maximize its benefits.

Details:

part #: 17003960 prices

• $1500.00-$4028.00

specifications oelemot:

• brand: Leeson
• mpn: 170039.60
• part type: Hp
• inverter/vector duty rating: Inverter Duty
• nema design letter: Design B
• ac frequency rating: 50/60 Hz
• special motor construction: Continuous Duty
• enclosure type: Tefc
• base rpm: 3555
• shaft type: Keyed
• ac motor type: Induction/asynchronous
• shaft diameter: 1 7/8 In
• insulation class: F
• mounting type: Rigid
• reversible/non-reversible: Reversible
• current type: Ac
• service factor: 1.15
• nominal rated input voltage: 208-230/460 V
• ac phase: Three Phase

shipping oelemot:

payments oelemot:

• credit card: Mastercard
• wallet: Paypal
• other

seller oelemot:

• # reviews: 235
• city: Port Carbon, Pennsylvania
• rating: 100.0%

offer oelemot:

• availability: In Stock
• options: Seller-arranged-local-pickup
• started: March 9, 2026
• best offers: True
• quantity: 1
• sold: 0

returns oelemot:

• policy: No Returns

general oelemot:

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

Leeson 170039.60 Is Similar To:

• 04d17fk4g Leeson Direct Current Permanent Magnet Motor Hp Rpm (22.1% similar) 38 continuous new motor never used max ABM 40C insul class F3. Leeson motor cat type def frame XS560 torque 27 inch lbs encl tefc ser fact model 04D17FK4G date code: E010 rpm 1750 hp 3/4 volts 180 amps...(April 4th, 2018)
• 096015.00 Leeson Hp Rpm Vac Motor (29.6% similar) 33 hp rpm vac motor manufacturer: Leeson model. Marketing, listing apps, application. This item is used. C42T17FZ16B. 33 voltage : vac rpm: used, in working condition...(March 9th, 2019)
• 098000.00 Leeson Motor Rpm Type Df Frame (29.6% similar) 0FRAME: NSS56CRATING: cont insulation class: F3OUTPUT shaft size: I saw the equipment work this has been bench tested too. Please look at the photos for specification and condition sold as is. This motor ran the convener belt through a gear reduction box. This came off of a working small town ...(February 2nd, 2019)
• 100116 Leeson Hp Rpm Fr Electric Motor Switch (31.7% similar) I'm selling them because closing my jewelry business. See pictures for details...(June 19th, 2018)
• 100794.00 Leeson Electric Motor Rpm Frame New In Box (26.8% similar) Any questions please send me a message...(November 18th, 2018)
• 100955 Leeson Electric Motor Hp Rpm Volt Frame (31.4% similar) Sale is for one Leeson electric motor packaging WINDINGCE484205 carton label Leeson gen purpose GROUP3 iris paint blue - enamel hazardous location none test card. 4 sf amps RPM1800 hertz 60 HP1 3 duty continuous type cf kw. Insulation class eff 75 PF59 cay bearing OPE6203 ugly Leeson ul rec cent ...(March 5th, 2018)
• 101520 Leeson Hp Rpm Motor (29.7% similar) Weighs 16 lbs and has ball bearing mechanism. Part number Leeson 1/3 hp, phase, 60 hertz motor rated for 1725 rpm. The original box is totally ruined, but motor was wrapped so well, it looks brand new...(April 17th, 2018)
• 101638 Leeson Electric Motor Hp Rpm Ph Fr (29.3% similar) TB252 Leeson electric motor, 1/3 hp, 3450 rpm, ph 3, v, fr S56J, G16B, C4T34DC21D, rot recon, mtg round, overload not, encl DP, duty cont, ball bearing, shaft dia...(December 20th, 2018)
• 101646 Leeson Electric Motor Hp Rpm Volt Frame 691720005859 (29.9% similar) Sale is for one Leeson electric motor fl amps sf AMPS1. 1/2 in cuts part no. 75 sf amps RPM1800 hertz 60 HP1 4 duty continuous typed KW0. 15 lb enclosure tefc lubrication verify nameplates mounting rigid rotation rev shaft diam. 15 PHASE3 FRAME48 design VA code AMBIENT40 protection not therm SF1. ...(April 6th, 2018)
• 102016.00 Leeson Electric Motor Hp Rpm Volt Frame (30.6% similar) 15 PHASE1 FRAME48 design VA code AMBIENT40 protection not therm. Specs from Leeson volts 115 volts 208-230 volts fl AMPS5. 9 sf amps RPM3600 hertz 60 HP1 3 duty continuous type cf KW0 packaging WINDINGCE482236 carton label Leeson gen purpose GROUP3 iris paint blue - Leeson enamel hazardous ...(March 5th, 2018)
• 102019.00 Leeson Electric Motor Hp Rpm Volt Frame (30.6% similar) Insulation class eff 75 PF50 cay bearing OPE6203 ugly Leeson ul rec cent PE6203 cc number exempt inverter type speed range none load motor wt. 9 fl amps sf RPM1200 hertz 60 HP1 3 duty continuous type cf kw. Sale is for one Leeson electric motor. 31 lb enclosure tefc em NAMEPLATE993500 mounting ...(March 5th, 2018)