LEESON M1130331.00 Permanent Magnet Motor Tenv Rpm CM34D25NC3A 1/4 130V 2500

( Brand: Leeson ), ( Manufacturer Part Number: M1130331.00 ), ( Model: CM34D25NC3A ), ( Part Type: Hp Motor ), ( Actual Rated Input Voltage: 130 V ), ( Full Load Amps: 1.7 ), ( Rated Load: Hp ), ( Enclosure Type: Tenv ), ( Base Rpm: 2500 ), ( Insulation Class: F3 ), ( Mounting Type: Base-mounted ), ( Dc Stator/winding Type: Permanent Magnet ), ( Current Type: Dc ), ( Service Factor: 1.05 )

Review LEESON 1/4 Hp 130v Dc Permanent Magnet Motor Tenv 2500 Rpm

The **Leeson M1130331.00 CM34D25NC3A** is a high-performance, compact permanent magnet motor engineered for precision, reliability, and efficiency in a wide range of industrial and commercial applications. Designed with a **1/4 horsepower (0.19 kW) output**, this motor delivers consistent and powerful performance while maintaining a compact footprint, making it ideal for space-constrained environments where performance cannot be compromised. Operating at a nominal voltage of **130V**, it is well-suited for standard single-phase electrical systems, ensuring seamless integration into existing setups without the need for complex modifications. The motor s **permanent magnet construction** eliminates the need for field windings, reducing energy consumption, improving efficiency, and extending operational lifespan by minimizing heat generation and wear on internal components.

With a **rated speed of 2,500 RPM (TENV, Totally Enclosed Non-Ventilated)**, this motor provides a balanced blend of speed and torque, making it versatile for applications such as conveyors, pumps, fans, and small machinery where steady rotational force is essential. The **TENV enclosure** offers robust protection against dust, debris, and moisture, ensuring reliable performance in both indoor and mildly corrosive environments. This design also simplifies maintenance, as the sealed housing prevents contamination while allowing for easy installation and replacement. The motor s **NEMA 34 frame size** (as indicated by the model designation) adheres to industry standards, ensuring compatibility with a broad range of gearboxes, couplings, and mechanical systems, further enhancing its adaptability across diverse applications.

Beyond its technical specifications, the Leeson M1130331.00 excels in durability and operational consistency, thanks to its high-quality permanent magnets and precision-engineered rotor and stator assembly. These features contribute to reduced vibration, lower noise levels, and extended service life, even under continuous or intermittent heavy loads. Whether deployed in manufacturing plants, HVAC systems, or automated equipment, this motor offers a dependable power solution that balances power efficiency with operational simplicity. Its compact yet robust design, combined with Leeson s reputation for reliability, makes it a standout choice for engineers and operators seeking a motor that delivers performance without unnecessary complexity.

### **Analysis of the Leeson M1130331.00 (CM34D25NC3A) Permanent Magnet Motor**

#### **Overview**

This is a **1/4 HP, 130V permanent magnet DC motor** rated for **2500 RPM** at no load, with a **100% duty cycle** (continuous operation). It is commonly used in industrial, automotive, and automation applications where compact size, reliability, and efficiency are required.

---

### **Pros**

1. **High Efficiency**

- Permanent magnet motors are inherently more energy-efficient than wound-field motors because they eliminate copper losses from field windings.

- Expected efficiency around **70-85%** depending on load, which reduces operational costs.

2. **Compact and Lightweight**

- The motor is designed for space-constrained applications, making it suitable for embedded systems, robotics, and small machinery.

- Lower inertia allows for faster acceleration and deceleration.

3. **Reliable and Low Maintenance**

- No brushes or commutator wear (if brushless design is implied or if brushes are minimal).

- Permanent magnets are durable and do not require field winding adjustments.

- Suitable for continuous duty (2500 RPM at 100% load suggests robust construction).

4. **Good Speed Regulation**

- Permanent magnet motors maintain near-constant speed under varying loads (assuming voltage regulation is stable).

- Ideal for applications requiring precise speed control (e.g., conveyor belts, pumps).

5. **Cost-Effective for Small Applications**

- While not ultra-high power, the **1/4 HP** rating is sufficient for many light-duty tasks (e.g., fans, small compressors, automated gates).

- Lower initial cost compared to AC induction motors of similar power.

6. **Compatibility with Variable Speed Drives**

- Can be easily controlled using **PWM (Pulse Width Modulation) or VFD (Variable Frequency Drive)** for adjustable speed applications.

7. **Quiet Operation**

- Permanent magnet motors typically produce less noise compared to brushed DC or AC induction motors.

---

### **Cons**

1. **Voltage Sensitivity**

- Permanent magnet motors are **highly sensitive to voltage fluctuations**. Overvoltage can demagnetize the magnets, while undervoltage reduces torque and efficiency.

- Requires stable power supply or voltage regulation (e.g., using a **buck-boost converter**).

2. **Limited Torque at Low Speeds**

- While efficient at high speeds, torque drops significantly at low RPM due to the motor s design.

- Not ideal for applications requiring high starting torque (e.g., heavy lifting at standstill).

3. **Heat Dissipation Challenges**

- Permanent magnet motors generate heat, especially under heavy loads. Proper **cooling (forced air, heat sinks)** is necessary to prevent overheating.

- Excessive heat can degrade performance and lifespan.

4. **Sensitivity to Overloads**

- Continuous overloads can cause excessive current draw, leading to overheating or motor failure.

- Requires proper **current limiting** in the control circuit.

5. **Limited Power Range**

- **1/4 HP (186W)** is suitable for light to medium-duty tasks but insufficient for heavy industrial applications.

- For higher power needs, a larger motor (e.g., 1/2 HP or 1 HP) would be required.

6. **Potential for Magnet Demagnetization**

- Exposure to **high temperatures (>150 C)** or **reverse polarity** can demagnetize the permanent magnets, reducing efficiency.

- Requires proper handling and installation.

7. **Brushes (If Applicable)**

- If this motor uses **brushes** (common in smaller DC motors), they will require periodic replacement, adding maintenance overhead.

- Brushless versions (if available) are more durable but may cost more.

8. **Limited Availability of Spare Parts**

- As a **Leeson** motor (a niche brand), finding replacement parts or technical support may be difficult compared to more common brands (e.g., Siemens, ABB, or even generic Chinese motors).

---

### **Comparison with Alternatives**

**Feature** **Permanent Magnet DC Motor (Leeson M1130331)** **Brushed DC Motor** **AC Induction Motor** **Brushless DC Motor**

--------------------------- -------------------------------- ---------------------- ----------------------- ------------------------

**Efficiency** High ( 70-85%) Moderate ( 60-75%) Moderate ( 80-90%) Very High ( 85-95%)

**Maintenance** Low (if brushless) High (brush replacement) Low Very Low

**Torque at Low Speed** Poor Moderate Good Good

**Speed Control** Easy (PWM/VFD) Easy (PWM) Requires VFD Easy (PWM)

**Noise** Low Moderate Moderate-High Low

**Cost** Moderate Low High High

**Best For** Light-duty, high-speed apps Simple, low-cost apps Heavy-duty, industrial High-performance apps

---

### **Conclusion**

The **Leeson M1130331 (CM34D25NC3A)** is a **well-suited motor for light to medium-duty applications requiring efficiency, compact size, and reliability**. It excels in:

- **Automation (conveyors, actuators, small pumps)**

- **Robotics (drives, grippers, movement systems)**

- **HVAC (small fans, blowers)**

- **Automotive (window lifts, seat adjusters, if brushless)**

- **High-torque, low-speed applications** (e.g., heavy lifting, large compressors)

- **Unstable power environments** (without voltage regulation)

- **Extreme temperature conditions** (risk of demagnetization)

---

### **Recommendation**

You need a **reliable, efficient, and compact motor** for a **light-duty application** (e.g., a small conveyor, automated gate, or robotics drive).

Your power supply is **stable (130V 10%)** and properly regulated.

You can **ensure proper cooling** (heat sinks, fans) to prevent overheating.

You are okay with **minimal maintenance** (brush replacement, if applicable).

You prefer **DC control (PWM, variable speed)** over AC.

You require **high starting torque** (consider a **geared motor** or **AC induction motor**).

Your application involves **frequent voltage spikes or surges** (use a **voltage regulator** or **UPS**).

You need **extremely high power** (1/4 HP is too small for heavy loads).

You cannot source **spare parts or technical support** easily.

- **Brushless DC Motor (BLDC):** More efficient, longer lifespan, but higher initial cost.

- **AC Induction Motor (with VFD):** Better for high-torque, industrial applications.

- **Geared DC Motor:** If low-speed, high-torque is needed, pair this motor with a **gearbox**.

- **Generic Chinese DC Motor:** If cost is a priority and reliability is secondary.

This motor is a **solid choice for its intended use** **light, efficient, and reliable for small-scale automation and robotics**. However, **proper electrical protection (fuses, voltage regulation) and thermal management** are critical to ensure longevity. If your application is within its **1/4 HP, 2500 RPM, 130V range**, it will perform well with minimal issues.

Would you like guidance on **specific control circuits (PWM, VFD) or mechanical integration** for this motor?

Details:

LEESON CM34D25NC3A 1/4 HP 130V DC Permanent Magnet Motor TENV 2500 RPM.

part #: m113033100 prices

• $150.00-$298.50

specifications oelemot:

• brand: Leeson
• mpn: M1130331.00
• model: Cm34d25nc3a
• part type: Hp Motor
• actual rated input voltage: 130 V
• full load amps: 1.7
• rated load: Hp
• enclosure type: Tenv
• base rpm: 2500
• insulation class: F3
• mounting type: Base-mounted
• dc stator/winding type: Permanent Magnet
• current type: Dc
• service factor: 1.05

returns oelemot:

• policy: No Returns

general oelemot:

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

shipping oelemot:

• class: Standard
• cost: $84.24
• service: USPS Ground Advantage
• transit: 5-9 Days
• type: Calculated
• carrier: USPS

payments oelemot:

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

offer oelemot:

• best offers: True
• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home
• started: May 2, 2026

seller oelemot:

• # reviews: 3
• city: Pinellas Park, Florida
• rating: 0.0%

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