YRQ500L4-8 3 Phase Asynchronous 450kw Motor 380V

Brief Introduction

Specially crafted as a heavy-duty prime mover catering to strenuous bulk industrial power transmission, our flagship 450kw motor - the YRQ500L4-8 slip-ring three-phase asynchronous motor - establishes an unparalleled benchmark of resilient, modifiable power delivery across metallurgical smelting, mineral exploitation, cement calcination and heavy-duty processing verticals. Fabricated by Xi'an SIMO Motor Co., Ltd., this industrial actuator adheres rigorously to GB/T 755 universal electrical specifications and holds authentic CE accreditation, fully aligning with cross-border industrial safety protocols and high-performance benchmarks. The YRQ500L4-8 variant yields a nominal power rating of 450kW alongside a consistent rotational velocity of 745 r/min under 50Hz grid frequency. Its stator winding is calibrated for 380V mains input, drawing a full-load amperage of 845.7A via delta topology; meanwhile, the rotor assembly operates at 754.5V, 361A star connection with an elevated power factor of 0.86, facilitating exceptional energy conversion efficacy amid sustained extreme loadage. Equipped with Class 130 thermal insulation laminates, it sustains stable operation under ambient thermal thresholds up to 40°C, with no measurable performance degradation at altitudes peaking at 1000 meters above sea level.

Engineered with robust mechanical architecture to counteract cyclic impulsive load stress, this industrial elite 450kw motor incorporates a refined slip-ring rotor configuration, delivering adjustable breakaway torque while constraining inrush current - a pivotal competitive merit against squirrel-cage counterparts for apparatus demanding soft startup modulation. Outfitted with IM B3 horizontal foot-mount geometry, it is furnished with heavy-duty anti-friction bearings: model 23226 at the drive end and NU322 at the non-drive end, mitigating mechanical oscillation and frictional dissipation during round-the-clock S1 uninterrupted duty cycles. The complete unit boasts a gross mass of 2740kg, reinforced by a monolithic cast iron chassis that averts structural distortion under perpetual torsional strain. Every constituent undergoes precision machining and high-grade dynamic balancing; finished units endure exhaustive bench validations encompassing full-load endurance cycling, insulation dielectric integrity, rotor voltage calibration and rotational uniformity prior to shipment. The external rotor terminal block enables seamless compatibility with external rheostats or variable frequency converters, affording operators granular governance over acceleration gradients and torque magnitude, rendering it impeccably matched for ball grinding mills, mine haulage conveyors, rotary calcining kilns and heavy rolling presses.

Apart from superior mechanical tenacity and customizable dynamic responsiveness, the long-term operational merit of our high-caliber 450kw motor resides in its balanced energy conservation, minimal upkeep expenditure and omnipresent industrial interoperability. Unlike generic heavy-duty motors susceptible to thermal overload and premature bearing ablation under continuous extreme workloads, the YRQ series integrates streamlined internal aeration channels to perpetuate uniform thermal dissipation, drastically prolonging the service lifespan of insulating composites and rotational assemblies. Its modular standardized construction enables universal interchangeability of spare components across global markets, substantially curbing production downtime for offshore manufacturing plants and mineral complexes. Reinforced by SIMO's full-lifecycle technical advisory framework, this 450kW, 745rpm slip-ring asynchronous motor functions as an unfaltering core power actuator for large-scale industrial installations worldwide. Whether deployed within mineral beneficiation, construction material synthesis or metallurgical rolling production lines, it harmonizes formidable power output, tunable startup characteristics and full regulatory compliance, emerging as a fiscally prudent, low-malfunction heavy-duty drive that optimizes throughput efficiency for international industrial proprietors.

Main Technical Parameters

Production Details

Frame

• Compact and robust iron casting frame

• Universal IEC installation dimensions available

• 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 winding flaw.

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Rotor

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

• 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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Applications

Cement

Power station

Steel

Sugar

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