When it comes to reliable refrigeration performance, choosing the right compressor is critical. The Cubigel ML90TB R404A 3/8HP compressor is a popular choice for commercial and light industrial cooling systems thanks to its efficiency, durability, and consistent cooling capacity. In this article, we’ll explore its specifications, features, applications, and why it stands out in the refrigeration market. CUBIGEL HERMATIC COMPRESSOR ML90TB 3/8HP R404A.
The ML90TB is a hermetic refrigeration compressor designed for high and medium back pressure (HMBP) applications. It operates with R404A refrigerant, making it suitable for a wide range of commercial refrigeration systems.
CUBIGEL Hermetic Compressor ML90TB (3/8 HP, R404A) – Complete Overview
The Cubigel Hermetic Compressor ML90TB is a reliable and efficient refrigeration compressor designed for commercial and light industrial cooling applications. With a 3/8 HP capacity and compatibility with R404A refrigerant, this model is widely used in medium and low-temperature refrigeration systems such as display freezers, beverage coolers, and cold storage units.
Key Specifications of ML90TB Compressor
The ML90TB compressor offers a balanced combination of performance, durability, and energy efficiency. Below are its main technical specifications:
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| Specification | Details |
|---|---|
| Model | ML90TB |
| Compressor Type | Hermetic (Sealed Unit) |
| Refrigerant | R404A |
| Nominal Power | 3/8 HP |
| Voltage | 220–240V / 50Hz / Single Phase |
| Displacement | 8.85 cm³ |
| Cooling Capacity | ~1,049 W |
| Input Power | ~653–670 W |
| COP (Performance) | Up to 1.98 W/W |
| Max Current (MCC) | 5.10 A |
| LRA (Locked Rotor Amps) | 19.90 A |
| Weight | 11.27 kg |
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Performance and Efficiency
The ML90TB compressor is designed for high and medium back pressure (HMBP) applications, making it suitable for a wide range of refrigeration conditions.
- It delivers consistent cooling performance even under demanding conditions.
- The compressor achieves a high efficiency ratio, reducing energy consumption.
- With optimized motor design (CSIR type), it ensures smooth starting and stable operation.
Under standard test conditions, the compressor provides:
- Strong cooling capacity at evaporating temperatures from -25°C to +10°C
- Stable performance even at high ambient temperatures up to 43°C
CUBIGEL HERMATIC COMPRESSOR ML90TB 3/8HP R404A
Applications of ML90TB Compressor
The Cubigel ML90TB is ideal for various refrigeration systems, including:
- Commercial freezers
- Ice cream cabinets
- Beverage coolers
- Display refrigeration units
- Small cold rooms
- Supermarket refrigeration equipment
Its compatibility with R404A refrigerant makes it suitable for systems requiring low-temperature performance and rapid cooling.
Design and Build Quality
The ML90TB compressor features a compact and robust design, making installation easy in tight spaces.
Key design highlights:
- Hermetic sealed construction for leak-free operation
- Fan-cooled system for improved heat dissipation
- Ester oil (ISO VG 32) for reliable lubrication
- Capillary or expansion valve compatibility
- Durable internal components for long service life
Additionally, it includes standard mounting options and vibration-reducing silent blocks for stable operation.
Electrical Components
The compressor is equipped with essential electrical protection and starting components:
- Starting Capacitor: 64–77 µF / 330V
- Relay: 7.8A pick-up current
- Thermal Protector: 11.5A with automatic reset
- Motor Type: CSIR (Capacitor Start Induction Run)
These components ensure safe operation and protection against overload or overheating.
Advantages of ML90TB Compressor
The Cubigel ML90TB offers several benefits:
- High energy efficiency
- Reliable performance in low temperatures
- Compact and lightweight design
- Easy installation and maintenance
- Stable operation with low noise
- Suitable for commercial refrigeration systems
Installation and Maintenance Tips
To ensure optimal performance and long life:
- Always use correct voltage range (187–255V)
- Maintain proper airflow for cooling
- Use recommended ester oil (ISO VG 32)
- Ensure correct refrigerant charge (R404A)
- Regularly check electrical connections and components
Conclusion
The Cubigel Hermetic Compressor ML90TB (3/8 HP, R404A) is a dependable solution for refrigeration systems requiring efficiency, durability, and consistent cooling performance. Its strong technical specifications, compact design, and wide application range make it a preferred choice among HVAC technicians and refrigeration professionals.
Whether you are installing a new system or replacing an existing compressor, the ML90TB delivers reliable cooling performance with energy efficiency, making it a smart investment for commercial refrigeration needs.
