The electric motor is undeniably the powerhouse of any air compressor system. Specifically, the Atlas Copco Motor 1091631955, rated at 5.5kW and designed for versatile 50/60Hz operation at 400/690V, represents a critical component engineered for performance and durability. Ensuring this core component functions optimally is essential for maintaining productivity and efficiency. Furthermore, obtaining this motor as a genuine Atlas Copco part, available through specialized suppliers like Seadweer, guarantees compatibility and the high standards expected from Atlas Copco equipment. This article explores the significance, advantages, technical details, and sourcing information for the 1091631955 motor.

Contents
- 1 The Crucial Role of the Electric Motor in Air Compression
- 2 Why Genuine Atlas Copco Motors are Essential
- 3 Key Advantages of the Atlas Copco 1091631955 Motor
- 4 Matching the 1091631955 Motor to Your Compressor
- 5 Technical Specifications
- 6 Sourcing with Confidence: Seadweer for Genuine Atlas Copco Motors
- 7 FAQs
The Crucial Role of the Electric Motor in Air Compression
At its heart, an air compressor relies entirely on its electric motor to function. The motor’s primary task is converting electrical energy into rotational mechanical power. Subsequently, this power drives the compressor element (like a screw or piston), which is responsible for compressing ambient air to the required pressure. Therefore, the motor’s efficiency, reliability, and proper sizing directly influence the compressor’s overall performance, energy consumption, and operational lifespan. A high-quality, correctly matched motor like the 1091631955 ensures consistent torque delivery and can withstand the demanding start-stop cycles typical in compressed air applications, ultimately contributing to a stable and cost-effective compressed air supply.
Why Genuine Atlas Copco Motors are Essential
Opting for a genuine Atlas Copco motor, such as the 1091631955 provided by Seadweer, is a critical decision for maintaining your compressor’s intended performance characteristics. While generic motors might seem interchangeable, genuine Atlas Copco motors are specifically selected or designed to match the precise requirements of their compressors. This includes considerations like torque characteristics, thermal management capabilities, frame size integration, and electrical compatibility. Using non-verified motors can result in reduced energy efficiency, increased operating temperatures leading to premature failure, higher vibration levels, and potential incompatibility issues. Conversely, a genuine motor ensures seamless integration, optimized energy usage, reliable operation under load, and preserves the manufacturer’s design integrity, safeguarding your investment.
Key Advantages of the Atlas Copco 1091631955 Motor
The authentic Atlas Copco 1091631955 5.5kW motor delivers substantial benefits crucial for demanding industrial environments. These advantages translate directly into operational savings, enhanced reliability, and peace of mind. Specifically, using this genuine motor offers:
- Optimized Energy Efficiency: Engineered to meet Atlas Copco’s stringent standards, this motor often aligns with high-efficiency classifications (like IE2 or IE3), potentially reducing energy consumption by up to 8% compared to older or less efficient standard motors under similar loads.
- Enhanced Reliability and Longevity: Built with high-quality materials and robust construction techniques, this motor is designed for durability. Consequently, it offers a significantly longer operational lifespan, potentially lasting 15% longer than generic alternatives under typical compressor duty cycles.
- Superior Thermal Performance: Genuine motors are designed with adequate cooling characteristics matched to the compressor’s enclosure and operating conditions, reducing the risk of overheating and extending winding life.
- Perfect Integration: Guaranteed compatibility with specific Atlas Copco compressor models ensures correct mechanical fit (frame size, shaft) and electrical connections, simplifying installation and preventing adaptation issues.
- Reduced Vibration and Noise: Precision balancing and manufacturing tolerances result in smoother operation, leading to potentially 10% lower vibration levels compared to less precisely manufactured motors, which also benefits bearing life in connected components.
- Consistent Performance Delivery: Provides the specific torque and speed characteristics required by the Atlas Copco air end for optimal air delivery and pressure consistency.
Matching the 1091631955 Motor to Your Compressor
Confirming that the 1091631955 motor is the correct replacement for your specific air compressor is vital. Matching the power rating (5.5kW), voltage (400/690V capabilities), frequency (50/60Hz compatibility), and crucially, the motor frame size and shaft dimensions, is essential for a successful replacement. Below is a table listing some Atlas Copco compressor series where a 5.5kW motor like the 1091631955 might be used. However, always cross-reference with your compressor’s specific parts list or consult an expert supplier like Seadweer.
Disclaimer: This table provides general guidance. Always confirm the exact part number required for your specific compressor model and serial number through official documentation or a trusted supplier.
Technical Specifications
Knowing the technical specifications of the 1091631955 motor is crucial for verification and planning maintenance or replacement activities. These details define the motor’s capabilities and physical characteristics.
Note: Specifications like frame size, speed, and efficiency class can vary slightly. Always refer to the specific motor nameplate or official documentation.
Sourcing with Confidence: Seadweer for Genuine Atlas Copco Motors
When replacing a critical component like the main drive motor, authenticity is key. Seadweer stands out as a professional supplier specializing in genuine Atlas Copco compressor parts, including the 1091631955 motor. Sourcing through Seadweer ensures that you receive an authentic part that meets Atlas Copco’s rigorous quality and performance standards. Furthermore, their expertise means they can assist in verifying compatibility and provide reliable delivery. Choosing a dedicated supplier like Seadweer eliminates the risks associated with non-verified parts and helps maintain the operational integrity of your compressed air system.
FAQs
Here are five common questions regarding the Atlas Copco 1091631955 motor:
Q: What does the 1091631955 motor do in an Atlas Copco compressor?
A: It’s the primary electric motor that converts electrical energy into mechanical power to drive the compressor element (e.g., screw or piston), which compresses the air.
Q: How can I be certain the 1091631955 is the correct motor for my machine?
A: Check the parts list in your compressor’s service manual using the model and serial number. Providing this information to a supplier like Seadweer will also allow them to confirm the correct part number.
Q: What are common signs that my compressor motor might need replacement?
A: Signs include frequent tripping of circuit breakers/overloads, unusual humming or grinding noises, excessive vibration, overheating (hot to the touch), difficulty starting, or a noticeable decrease in compressor performance.
Q: Why is matching the Voltage (400/690V) and Frequency (50/60Hz) so important?
A: Using a motor with incorrect voltage or frequency ratings can lead to immediate damage, drastically reduced performance, severe overheating, and unsafe operating conditions. Always match the motor to the available power supply and compressor design specifications.
Q: Where is the best place to buy a guaranteed genuine Atlas Copco 1091631955 motor?
A: Purchase from authorized Atlas Copco distributors or reputable, specialized suppliers like Seadweer who explicitly deal in genuine manufacturer parts to ensure authenticity and quality.
Power Up Your Productivity with Genuine Atlas Copco Performance!
Don’t let motor issues compromise your operations. Choose the reliable, efficient, and durable genuine Atlas Copco Motor 1091631955 from Seadweer. Ensure seamless integration and long-term performance for your critical air compressor.
Contact Seadweer today for a competitive quote and expert assistance with your Atlas Copco motor requirements. Keep your production running strong!
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