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With a rated power of 1.5KW, operating voltage of 380V three-phase AC, rotational speed of 2880 R/min, and compliance with the IE3 efficiency standard (the highest efficiency class for low-voltage motors), this motor sets a benchmark for energy savings. Weighing just 18KG, it features a compact design that simplifies installation in space-constrained environments, while its cast iron casing and IP55 protection rating ensure durability in both clean and moderately harsh settings. Key components—including 100% copper wire coils, high-precision rotors, and rust-proof moisture-proof bearings—guarantee low noise, stable performance, and a service life of over 10 years. The YE3 series is ideal for small industrial machinery, medical equipment, and commercial systems that require consistent power without excessive energy use, and it holds CSA security certification to meet global safety standards.
IE3 Efficiency Standard: As an IE3-rated motor, it achieves a minimum efficiency of 85.5% (for 1.5KW, 2-pole motors)—5-8% higher than IE2 motors. For example, a YE3 1.5KW motor operating 10 hours daily can save approximately 200-300 kWh annually compared to an IE2 equivalent. This efficiency also makes it compliant with strict energy regulations in regions like the EU, USA, and China, eliminating barriers for international trade.
Optimized Magnetic Circuit: The motor’s stator and rotor are engineered to create a uniform magnetic field, reducing magnetic leakage and iron loss. This design ensures high efficiency even when the motor operates at 50-70% of rated load (common in many commercial applications).
100% Copper Wire Coil: The winding uses high-purity copper wire with a thick insulation layer, which enhances conductivity, reduces heat generation, and resists breakdown under voltage fluctuations. This design prevents coil burnout and ensures consistent power output of 1.5KW.
High-Precision Rotor: The rotor undergoes precision machining to achieve a minimal air gap (0.2-0.3mm) with the stator. This reduces operational jitter (vibration < 0.08mm) and maintains stable 2880 R/min speed—critical for equipment like medical pumps or precision packaging machines that require accuracy.
Rust-Proof Moisture-Proof Bearings: The motor uses sealed bearings treated with anti-corrosion coatings, making them resistant to humidity, dust, and minor chemical exposure. The bearings require lubrication only once every 12 months, reducing maintenance effort.
18KG Lightweight Design: The compact, lightweight structure (30% lighter than comparable IE2 motors) simplifies transportation and installation, especially in equipment with weight restrictions (e.g., mobile medical carts, small conveyor systems).
Cast Iron Casing: Despite its light weight, the motor uses a durable cast iron casing that provides impact resistance and sound insulation. Operational noise is kept below 68dB, making it suitable for quiet environments like laboratories or medical facilities.
IP55 Protection Rating: The motor is dustproof and protected against low-pressure water jets, allowing use in workshops with moderate dust levels or commercial kitchens with occasional splashes.
CSA Certification: The motor meets CSA’s rigorous safety standards, including tests for insulation integrity, overload protection, and temperature resistance, ensuring safe operation in both industrial and commercial settings.
The YE3 series is widely used in low-power industrial equipment that demands efficiency and precision:
Small Machine Tools: Powers mini lathes, drilling machines, and engraving machines in small workshops or hobbyist spaces, where stable 2880 R/min speed ensures accurate cuts or engravings.
Packaging Machines: Drives conveyor belts, sealing rollers, or labeling systems in packaging lines, using energy efficiency to reduce costs for continuous operation.
Textile Auxiliary Equipment: Operates small yarn winders or thread tensioners in textile factories, where low noise and stable speed prevent thread breakage.
The motor’s quiet operation and high safety make it suitable for sensitive environments:
Medical Equipment: Powers small air compressors for oxygen concentrators, laboratory pumps for liquid transfer, or centrifuges (low-speed models), where reliability and low noise are critical.
Commercial HVAC: Drives fans for commercial refrigeration units (e.g., supermarket freezers) or air purifiers, using IE3 efficiency to reduce energy costs for 24/7 operation.
Office & Retail Equipment: Operates small vacuum systems for cleaning machines or conveyor belts in retail checkout areas, fitting into compact equipment designs.
IE3 motors (like the YE3 series) offer higher efficiency than IE2 motors, even for small-power (1.5KW) applications. The key differences include:
Efficiency: IE3 motors have a minimum efficiency of 85.5% (for 1.5KW, 2-pole), while IE2 motors are around 80-82%.
Energy Savings: For a 1.5KW motor running 8 hours daily, an IE3 model saves ~150-200 kWh/year compared to IE2—adding up to significant cost savings over the motor’s 10-year lifespan.
Regulatory Compliance: Many countries (e.g., EU, USA) have phased out IE2 motors for certain applications, making IE3 a mandatory choice for imports. Even for domestic use, IE3 motors align with sustainability goals.
2880 R/min is the rated speed of a 2-pole three-phase motor (synchronous speed = 3000 R/min; slip rate ~4%). This high speed is ideal for equipment that requires fast rotation, such as:
Fans & Blowers: High speed moves large air volumes, suitable for ventilation or cooling.
Centrifugal Pumps: Fast rotation creates high water pressure, ideal for small-scale water supply systems.
Grinding Machines: High speed ensures smooth, precise grinding of materials like metal or plastic.
Avoid using this motor for equipment requiring low speeds (e.g., large conveyors)—a gear reducer or a lower-speed (e.g., 1470 R/min) motor is more suitable.
