YVF280S-4 Three-phase Asynchronous 90kw 380V IM B35 Motor

Brief Introduction

Industrial environments demand equipment that can withstand rigorous operating conditions while delivering consistent, high-efficiency performance. The YVF280M-4A Variable Voltage Variable Frequency (VVVF) three-phase asynchronous motor, produced by Xi'an SIMO Motor Co., Ltd., is purpose-built to meet these exacting demands. Whether deployed in heavy manufacturing, fluid handling, or material processing, the im b35 motor configuration of this model ensures seamless integration, stable torque delivery, and long-term operational reliability in even the most challenging settings.

At its core, the YVF280M-4A is engineered for variable speed operation. The motor delivers a rated output of 90 kW at 380V and 165A, spinning at 1485 revolutions per minute under a 50 Hz power supply. Its frequency range can be expanded from 50 Hz up to 70 Hz, granting operators fine-grained control over motor speed to optimize process performance. This adaptability is especially valuable in applications where load requirements fluctuate, such as in pump stations, ventilation systems, and conveyor installations, where matching motor speed to actual demand translates directly into meaningful energy savings.

The mechanical build of the YVF280M-4A reflects a commitment to durability. It carries an IP55 ingress protection rating, meaning the motor is fully sealed against dust penetration and protected from water jets entering from any direction. This level of protection is essential for installations in mining facilities, steel mills, and wastewater treatment plants where airborne particles and moisture are persistent threats. The thermal insulation is rated at Class F (155°C), providing a generous safety margin against overheating during sustained high-load cycles. Premium-grade bearings - model 6317/C3 on the drive end and 6314/C3 on the non-drive end - minimize friction and vibration, extending the maintenance interval and reducing total cost of ownership over the motor's service life.

A defining feature of this model is its im b35 motor mounting design. The B35 configuration is a hybrid arrangement that combines the stability of a foot-mounted base with the alignment precision of a flange face. This dual-mounting approach gives engineers greater flexibility when fitting the motor into existing equipment or designing new assemblies. The foot mount provides a rigid foundation that absorbs vibration, while the flange face enables direct coupling to driven machinery such as gearboxes, fans, or pumps. This eliminates the need for supplementary adapters or complex alignment procedures, streamlining both installation and future maintenance. At 585 kg, the motor's substantial weight contributes to vibration dampening and structural stability during operation.

Compliance with international standards further strengthens the YVF280M-4A's market position. The motor is manufactured in accordance with China's JB/T7118 standard and has earned CE certification, confirming its suitability for use in European Union markets. This dual compliance reduces barriers to global procurement and gives international buyers confidence in the product's safety, quality, and environmental credentials. Every unit undergoes thorough testing before leaving the factory, as evidenced by the clearly marked serial number and inspection records on the nameplate.

Xi'an SIMO Motor Co., Ltd. has established itself as a trusted name in industrial motor manufacturing, backed by decades of technical expertise and a comprehensive customer service network. The company's dedicated hotline ensures prompt technical support and after-sales assistance, helping customers maximize the value of their investment from commissioning through end of life.

In conclusion, the YVF280M-4A stands out as a premium variable speed motor that delivers outstanding power, protection, and versatility. With its robust 90 kW output, IP55 and Class F ratings, flexible im b35 motor mounting, and CE-certified quality, it represents an intelligent choice for facilities seeking to enhance productivity while controlling energy expenditure. For operators who refuse to compromise on performance, this motor delivers exactly what modern industry requires.

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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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

Chemistry

Pump

Water conservation

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