YR6303-8 Three Phase Asychronous Motor YY Motor Connection 1120kW

Brief Introduction

The SIMO YR series wound rotor asynchronous motors are high-performance heavy-duty drive solutions, meticulously engineered to meet the rigorous demands of modern industrial operations. Adopting advanced winding technology and precision manufacturing, the series complies with JB/T10445 standards, featuring Class F (155) insulation, IP23 protection grade, YY motor connection and IC01 cooling system. With rated voltage up to 10kV, stable power output, and strong structural rigidity, these motors ensure low temperature rise, low noise, and reliable continuous S1 duty operation, adapting to mainstream industrial working environments.

As a core advantage of the YR series(YR 6303-8 Three Phase Asychronous Motor- YY motor connection as model) , its excellent performance and durability stand out in industrial applications. Compared with conventional induction motors, it boasts smoother starting performance and flexible speed regulation, effectively reducing grid impact and mechanical wear. Crafted with high-quality materials and precision assembly, the motors feature long service life, low maintenance costs, and strong adaptability to harsh conditions-withstanding ambient temperatures up to 40°C and altitudes up to 1000 meters, delivering consistent performance even under heavy loads.

The YR series is widely applied in key industrial fields requiring high starting torque and stable speed regulation. It serves as the core power source for large fans, water pumps, compressors, crushers, mills, and heavy-duty conveyors, covering mining, metallurgy, building materials, petrochemical, power generation, and other industries. Whether powering continuous production lines or heavy mechanical equipment, it provides safe, efficient, and stable power support, empowering industrial production efficiency.

Backed by SIMO's decades of motor engineering experience and global service network, the YR series (YY motor connection) is a trusted choice for industrial users worldwide. Integrating high efficiency, durability, and energy conservation, it perfectly matches the needs of modern industrial upgrading. With professional technical support and complete supporting solutions, we help users reduce operating costs, improve equipment reliability, and achieve stable and efficient production.

Main Technical Parameters

Production Details

Frame

• Box structure frame, easy for maintaining and installation

• Flexible for special installation dimensions

• Customizable outlook and dimensions

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Stator

• 99.9% pure copper winding for stator to ensure the output power and efficiency

• Excellent insulation system with 5 more processing flows

• All the windings are fitted in by handwork to ensure all slots are full and avoid any possible winding flaw.

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Rotor

• Aluminum casting rotor with high quality silicon steel rotor core to assure induction efficiency

• Copper bar rotor is available for YKK motor

• Well and precisely machined shafts with good capacity of strength and toughness

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Testing

• All motors must pass the piece testing before painting and packaging

• Type tests will be regularly performed for each series, more often for new developed series and variants.

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Package and delivery

• All motors will be packaged well before delivery

• Plastic cover inside, vacuum tin foil outer and then solid wood box

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Applications

Cement

Power Station

Water

Mining

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