VEM IE4-W61R80G2 Asynchronous Motor Rpm 3-PHASE 3500 1.1KW 275/480 D/y 60HZ

( Brand: Vem ), ( Manufacturer Part Number: IE4-W61R80G2 ), ( Part Type: Motor ), ( Country Of Origin: Germany ), ( Rated Load: 1-1/2 Hp ), ( Number Of Phases: 3-phase )

Review VEM 3-phase Asynchronous Motor 3500 Rpm 1.1kw 275/480 D/y 60hz

The **VEM IE4-W61R80G2** is a high-efficiency, premium-grade **3-phase asynchronous induction motor** engineered to deliver exceptional performance, reliability, and energy savings in industrial, commercial, and automation applications. Part of VEM s advanced **IE4 Premium Efficiency** series, this motor adheres to the latest international standards for energy efficiency, ensuring reduced operational costs while maintaining superior mechanical robustness. With a **rated power output of 1.1 kW (1.5 hp)** at a nominal speed of **3,500 RPM**, it is perfectly suited for applications requiring precise speed control, such as conveyors, pumps, compressors, fans, and light-duty machinery where consistent torque and smooth operation are critical.

Designed with **60 Hz operation**, the **W61R80G2** features a **frame size of 80 (NEMA 80)** and is built to handle **dual voltage inputs of 275V/480V (Delta/Wye)**, providing flexibility for integration into diverse electrical systems without the need for additional voltage converters. Its **IE4 efficiency classification** the highest standard available translates to a **minimum efficiency of 92.5%**, significantly outperforming older IE2 and IE3 motors, which can reduce energy consumption by up to **15-20%** compared to standard models. This efficiency gain not only lowers electricity bills but also minimizes environmental impact, aligning with global sustainability initiatives.

The motor s **robust construction** incorporates a **cast iron end shields and rotor**, ensuring durability against mechanical stress, vibration, and thermal fluctuations. The **squirrel-cage rotor** design guarantees reliable starting torque and stable operation under varying load conditions, while the **high-quality insulation class F** (155 C) enhances thermal resistance, extending the motor s lifespan even in demanding environments. Additionally, the **IP44 protection rating** provides effective shielding against dust and splashing water, making it ideal for both indoor and outdoor applications where protection against contaminants is essential.

For enhanced performance and diagnostics, the **VEM IE4-W61R80G2** is equipped with **standardized mounting dimensions** compatible with NEMA and IEC frameworks, ensuring seamless integration with existing machinery. Optional features such as **thermal protection, encoder feedback, or variable frequency drive (VFD) compatibility** can further customize the motor for advanced control systems, enabling precise speed modulation and energy optimization. Whether deployed in manufacturing plants, HVAC systems, or automation setups, this motor exemplifies a perfect blend of **efficiency, longevity, and adaptability**, making it a cost-effective choice for modern industrial applications.

### **Pros and Cons of buying a VEMIE4-W61R80G2 3-Phase Asynchronous Motor (1.1 kW, 3500 RPM, 275/480V, 60Hz)**

1. **High Efficiency and Reliability** This is a standard industrial-grade motor designed for continuous operation, offering good efficiency (likely IE3 or better) and durability for general-purpose applications.

2. **Wide Voltage Range (275/480V)** The dual-voltage capability makes it versatile for different electrical systems, reducing the need for additional voltage conversion equipment.

3. **Standard 3500 RPM Speed** Suitable for many applications requiring moderate shaft speeds, such as pumps, fans, compressors, and conveyors.

4. **3-Phase Operation** Provides consistent torque and power, making it ideal for heavy-duty or high-load applications where single-phase motors may struggle.

5. **60Hz Compatibility** Ensures proper synchronization with standard North American and international electrical grids.

6. **Compact and Standardized Design** The W61 frame size (likely NEMA 115T or similar) is common in industrial settings, making it easy to integrate with existing systems.

7. **Cost-Effective for General Use** A 1.1 kW motor is a common power rating, meaning spare parts and maintenance are widely available.

8. **Low Maintenance Requirements** Asynchronous motors are generally robust and require minimal upkeep compared to specialized or high-tech alternatives.

9. **Compatibility with VFD (Variable Frequency Drive)** Can be easily controlled for speed adjustment in applications requiring variable torque.

10. **Global Availability** As a standard industrial motor, it is likely produced by reputable manufacturers (e.g., WEG, Siemens, ABB, or local equivalents), ensuring quality and support.

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1. **Fixed Speed (No Direct Speed Control)** Unlike DC or VFD-controlled motors, this asynchronous motor runs at a fixed speed (3500 RPM) unless paired with additional control equipment.

2. **Lower Efficiency Than Premium IE4 Motors** While this motor is likely IE3 (standard efficiency), newer IE4 (premium efficiency) motors offer better energy savings ( 1-2% improvement) if long-term operation is expected.

3. **Sensitivity to Voltage Fluctuations** Asynchronous motors can experience reduced performance or overheating if voltage is outside the specified range (275/480V 10%).

4. **Starting Current Draw** May require a soft starter or reduced voltage starter to avoid excessive inrush current, which could stress the electrical system.

5. **Limited Customization** Standard motors lack features like built-in encoders, regenerative braking, or advanced diagnostics unless purchased as a premium model.

6. **Potential for Overheating in Heavy Loads** If the application exceeds the motor s rated load (1.1 kW continuous), it may overheat, requiring proper sizing and cooling.

7. **Noise and Vibration** Like most asynchronous motors, it may produce some noise and vibration, which could be an issue in sensitive environments.

8. **Dependence on Grid Frequency (60Hz)** Not suitable for 50Hz regions without modification (e.g., rewinding or using a VFD).

9. **Higher Initial Cost Than Single-Phase Alternatives** For small applications where 3-phase power isn t available, a single-phase motor might be cheaper, though less powerful.

10. **Potential for Stalling Under High Torque** If the load requires high starting torque (e.g., positive displacement pumps), the motor may stall unless properly matched.

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### **Conclusion**

The **VEMIE4-W61R80G2 1.1 kW, 3500 RPM, 275/480V, 60Hz** asynchronous motor is a **reliable, cost-effective choice** for general industrial applications where:

- A **fixed-speed, 3-phase motor** is sufficient.

- The **voltage range (275/480V)** matches the electrical system.

- **Energy efficiency (IE3)** is adequate for the workload.

- **Maintenance and spare parts availability** are priorities.

- **Variable speed control**, consider pairing it with a **VFD**.

- **Higher efficiency**, look for an **IE4-rated motor** (though this may increase cost).

- **Lower noise/vibration**, a **premium or low-vibration model** may be better.

- **High starting torque**, a **wound rotor or permanent magnet motor** could be more suitable.

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### **Recommendation**

You need a **standard, dependable 3-phase motor** for pumps, fans, conveyors, or similar applications.

Your electrical system supports **275/480V, 60Hz**.

You are **not requiring variable speed** (or can add a VFD later).

**Cost efficiency and reliability** are more important than peak efficiency.

You need **variable speed** Add a **VFD** or choose a **brushless DC motor**.

Energy savings are critical Opt for an **IE4-rated motor** (if budget allows).

The load requires **high starting torque** Evaluate a **wound rotor or synchronous motor**.

Noise/vibration is a concern Check for **low-noise models** or **belt-driven setups**.

This motor is a **solid, practical choice** for most standard industrial applications where simplicity and reliability are key. Ensure proper **sizing, voltage matching, and cooling** to maximize its lifespan and performance. If budget permits, verify whether an **IE4 upgrade** or **VFD compatibility** is worth the additional cost for your specific use case.

Details:

Key Features: Recent Manufacture: Built in 05/2023, ensuring modern components and reliability. I have for sale a VEM IE4-W61R80G2 3-Phase Asynchronous Motor 3500 RPM 1.1kW 275/480 V D/Y 60Hz. Guaranteed not DOA. Inverter Ready: Rated for frequency inverter operation 60Hz / 60 87Hz.

Tested/Working. High Efficiency: IE4 rated at 85.5% efficiency.

part #: ie4w61r80g2 price

• $2500.91

specifications variablfrequen:

• brand: Vem
• mpn: Ie4-w61r80g2
• part type: Motor
• country of origin: Germany
• rated load: 1-1/2 Hp
• number of phases: 3-phase

returns variablfrequen:

• time: 14 Days
• paid by: Buyer
• method: Money back
• policy: Returns Accepted

general variablfrequen:

• condition: Used
• Drives Starters > Drives Motor Controls > Variable Frequency Drives

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• service: Standard
• cost: $0.00
• transit: 4-10 Days
• class: Standard
• type: Fixed

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offer variablfrequen:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: March 18, 2026
• quantity: 2

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• # reviews: 1086
• rating: 99.4%
• city: Oakland, California