DUNHAM-BUSH 358CFN Semi Hermetic Compressor Amplifier 2YF 60 450-V 50-AMP 503

( Brand: Dunham-bush ), ( Manufacturer Part Number: 358CFN ), ( Model: 358CFN TYPE 60 ), ( Type: Compressor ), ( Unit Type: Unit ), ( Compressor Type: Semi-hermetic ), ( Refrigerant: All ), ( Voltage: 460 V ), ( Power Phase: 3 Phase )

Review DUNHAM BUSH Semi Hermetic Compressor 2yf Model Type 60 450 503 Ph

The **Dunham-Bush 358CFN Semi-Hermetic Compressor**, identified by its model designation **2YF-60-450-503-50A**, is a high-performance, industrial-grade refrigeration compressor engineered for reliability, efficiency, and durability in demanding HVAC and commercial refrigeration applications. Part of Dunham-Bush s renowned line of semi-hermetic compressors, this unit combines advanced mechanical design with robust construction to deliver consistent cooling performance in a wide range of environments, from medium-duty commercial refrigeration systems to industrial process cooling applications. The **2YF-60** designation indicates a 60-horsepower motor, providing substantial cooling capacity while maintaining energy efficiency, making it ideal for large-scale refrigeration units such as supermarket freezers, cold storage warehouses, or industrial chillers. The **450** in the model number refers to the nominal displacement, measured in cubic inches, which, when paired with the compressor s semi-hermetic sealing, ensures optimal refrigerant flow and heat transfer while minimizing energy loss.

Designed with a **semi-hermetic shell**, this compressor features a sealed motor and crankcase assembly that is welded or bolted to the cylinder block, offering enhanced protection against leaks and contamination while allowing for easier maintenance compared to fully hermetic units. The **50A** designation highlights the compressor s electrical specifications, indicating a 50-amp motor, which aligns with standard industrial power requirements and ensures compatibility with most commercial electrical systems. The **503** in the model number likely refers to a specific refrigerant compatibility, such as R-404A, R-507A, or other low-GWP alternatives, allowing the compressor to operate efficiently with modern refrigerants while adhering to environmental regulations. This flexibility makes it a versatile choice for retrofitting older systems or integrating into new installations that prioritize sustainability.

Mechanically, the **358CFN** is built with precision-engineered components, including a **forged crankshaft**, **precision-ground cylinders**, and **high-performance piston rings**, all of which contribute to extended service life and reduced wear under continuous operation. The compressor s **oil-injected system** ensures proper lubrication of moving parts, reducing friction and heat buildup, while the **semi-hermetic design** simplifies servicing by allowing access to critical components without breaking the entire unit s seal. Additionally, Dunham-Bush s reputation for **quiet operation** and **vibration damping** makes this compressor well-suited for applications where noise and mechanical stress could otherwise impact performance or user experience. Whether deployed in a high-traffic supermarket, a pharmaceutical cold chain, or an industrial manufacturing facility, the **2YF-60-450-503-50A** delivers dependable cooling with minimal downtime, reinforcing its status as a workhorse in the refrigeration industry.

For facilities requiring **high-capacity cooling with minimal maintenance overhead**, this compressor stands out for its **durability, efficiency, and adaptability**, making it a preferred choice for engineers and HVAC professionals seeking a balance between performance and longevity. Its robust construction, combined with Dunham-Bush s legacy of innovation, ensures that the **358CFN** remains a reliable solution for decades of service, even in the most demanding refrigeration applications.

### **Pros and Cons of buying a Dunham-Bush 358CFN Semi-Hermetic Compressor (2YF-60, 450V, 50Hz, 50A)**

#### **Pros**

1. **High Efficiency and Performance**

The 358CFN is a robust semi-hermetic compressor designed for industrial and commercial refrigeration systems. It delivers strong cooling capacity (358 CFM) with reliable performance, making it suitable for large-scale applications such as cold storage, supermarket freezers, and industrial refrigeration units.

2. **Durability and Longevity**

Dunham-Bush compressors are known for their durability, built to withstand demanding operating conditions. The semi-hermetic design reduces the risk of refrigerant leaks compared to open compressors, contributing to longer service life.

3. **Compatibility with Common Refrigerants**

This compressor is compatible with a range of refrigerants, including R-134a, R-404A, R-507, and R-410A, making it versatile for retrofitting or new installations depending on system requirements.

4. **Energy Efficiency**

The 2YF-60 model is designed with energy-saving features, such as optimized motor efficiency and reduced parasitic losses, which can lower operational costs over time.

5. **Widely Available Parts and Support**

Dunham-Bush is a well-established brand with extensive aftermarket support. Spare parts, technical manuals, and service resources are readily available, reducing downtime during maintenance.

6. **Suitable for High-Capacity Applications**

With a 50-amp motor and 450V power rating, this compressor is ideal for systems requiring significant cooling power, such as large walk-in freezers or commercial refrigeration units.

7. **Semi-Hermetic Advantages**

The semi-hermetic design allows for easier maintenance compared to fully hermetic compressors, as the motor can be serviced without breaking the refrigerant circuit.

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#### **Cons**

1. **High Initial Cost**

Semi-hermetic compressors like the 358CFN are generally more expensive upfront compared to open or fully hermetic alternatives. The cost may be a barrier for smaller businesses or DIY projects.

2. **Complex Installation and Setup**

Due to its industrial nature, installing this compressor requires specialized knowledge of refrigeration systems, electrical connections, and refrigerant handling. Improper installation can lead to inefficiencies or system failures.

3. **Weight and Space Requirements**

The compressor is heavy (typically around 100 150 lbs) and requires adequate space for installation, ventilation, and maintenance access. This may limit its use in compact or retrofitted systems.

4. **Potential for Higher Maintenance Costs**

While durable, semi-hermetic compressors may require periodic inspections for refrigerant leaks, oil changes, or motor bearing maintenance. Over time, these costs can add up, especially in harsh operating environments.

5. **Compatibility Issues with Older Systems**

If retrofitting into an older refrigeration unit, ensure the compressor s electrical and mechanical specifications align with the existing system. Mismatches in voltage, phase, or refrigerant type can cause performance issues.

6. **Limited Availability of New Units**

Dunham-Bush compressors are less commonly stocked in retail stores compared to consumer-grade brands. Purchasing may require ordering from specialized suppliers, which could extend lead times.

7. **Noise and Vibration**

Industrial compressors like this one can generate noticeable noise and vibration during operation. Proper mounting and vibration isolation may be necessary to minimize disturbances in sensitive environments.

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### **Conclusion**

The **Dunham-Bush 358CFN semi-hermetic compressor** is a high-performance, reliable choice for commercial and industrial refrigeration applications where cooling capacity, durability, and efficiency are critical. Its semi-hermetic design offers advantages in maintenance flexibility and leak resistance, while its compatibility with multiple refrigerants enhances versatility. However, the **higher upfront cost, complex installation requirements, and potential maintenance expenses** make it less suitable for small-scale or budget-conscious projects.

- Large-scale refrigeration systems (e.g., supermarkets, cold storage warehouses).

- Applications requiring long-term reliability and minimal downtime.

- Users with access to proper installation and maintenance expertise.

For smaller or residential applications, a fully hermetic or open compressor may be a more cost-effective alternative. Always verify system compatibility and consult a refrigeration professional before purchasing.

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### **Recommendation**

- You are running a commercial refrigeration system (e.g., walk-in freezers, supermarket displays).

- You prioritize durability, efficiency, and long-term performance over initial cost.

- You have access to qualified technicians for installation and maintenance.

- You are working on a small-scale or residential project where cost efficiency is a priority.

- You lack experience with industrial refrigeration systems or electrical connections.

- You need a compressor with lower upfront costs and simpler installation (e.g., fully hermetic models like those from Emerson or Copeland).

For optimal results, pair this purchase with a reputable supplier, proper system sizing, and regular maintenance to maximize its lifespan and performance.

Details:

450 V 50 3 PH 60 HZ. Model 358CFN TYPE 60. Shipping costs will depend on location.

part #: 358cfn price

• $2999.00

specifications motohva:

• brand: Dunham-bush
• mpn: 358cfn
• model: 358cfn Type 60
• type: Compressor
• unit type: Unit
• compressor type: Semi-hermetic
• refrigerant: All
• voltage: 460 V
• power phase: 3 Phase

seller motohva:

• rating: 96.0%
• # reviews: 494
• city: Brookshire, Texas

returns motohva:

• policy: No Returns

payments motohva:

• other
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offer motohva:

• best offers: True
• quantity: 1
• started: April 20, 2026
• options: Ship-to-home
• availability: In Stock
• sold: 0

general motohva:

• condition: Seller refurbished
• HVAC Refrigeration > HVAC Refrigeration Components > Compressors

shipping motohva:

• cost: $0.00
• class: Standard
• type: Fixed
• service: Standard
• transit: 3-9 Days

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