OBL4925 Series Outer Rotor Brushless Motor

AE4925

• Small size, light weight；

• High torque, high power density and high efficiency；

• Enhance the balancing process to meet multiple demands such as low noise, low vibration and low temperature rise；

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Specifications

Input Voltage	72V DC
Dimensions(mm)	Φ49.5x80.7L
Shaft Diameter(mm)	Ф5
No Load Speed(rpm)	18400
No Load Current(A)	1.5
Nominal Speed(rpm)	17500
Nominal Torque(Nm)	0.34
Nominal Current(A)	10.5
Stall Torque(Nm)	9.51
Stall Current(A)	249
Maximum Output Power(W)	4574
Maximum Efficiency(%)	87.9
Life（Typical）	300hrs
Weight(g)	320
Operating Temperature Range(°C)	-10 to 70
Storage Temperature Range(°C)	-20 to 70

Performance Data

Outline Drawing

Performance Curves

Application

: Snowplow Solution
Snowplow is a mechanical equipment specially designed for clearing snow, which is widely used in roads, parking lots, sidewalks, as well as airports, squares and other places in cities and villages. It efficiently removes snow through rotating brushes, shovels or suction functions, providing a convenient solution for winter snow removal.
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: Lawn Mower Solution
In recent years, with the increasing environmental awareness and technological advancements, the lawn mower market has shown a clear trend towards lithium-electrification, intelligence, and high efficiency. The growing consumer demand for eco-friendly, low-noise, and convenient tools has driven the transition of lawn mowers from traditional fuel-powered to electric and intelligent solutions. Moreover, breakthroughs in battery technology have continuously increased the market penetration rate of lithium-electric lawn mowers, making them the mainstream direction for future development.
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