0755-27651888-3314 CN

OBL4920 Series Outer Rotor Brushless Motor

AE4920

•Small size, light weight;

•Using rare earth magnetic steel, high power density, high efficiency;

•The installation bracket is made of aluminum alloy with high structural strength;

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Specifications
Input Voltage 18V DC
Dimensions(mm) Φ49.5×98
Shaft Diameter(mm) Ф8
No Load Speed(rpm) 16800
No Load Current(A) 3.5
Rated Torque(Nm) 15000
Rated Torque (rpm) 0.35
Rated Current(A) 37
Stall Torque(Nm) 3.77
Stall Current(A) 367
Maximum Output Power(W) 1657
Maximum Efficiency(%) 83.37
Life(Typical) 300hrs
Weight(g) 290
Operating Temperature Range(°C) -10 to 70
Storage Temperature Range(°C) -20 to 70

Performance Data
Item No load Stall Max eff. Max power
Current(A) 3.5 367 35.45 185
Efficiency(%) / / 83.37 /
Output power(W) / / 532 1657
Speed(rpm) 16800 / 15309 8393
Torque(Nm) / 3.77 0.33 1.89

Outline Drawing
Performance Curves
Application

Chain Saw Solutions

Topband has independently developed a variety of home DIY and commercial models of chain saw external rotor motor program for home and professional gardeners to provide a more efficient and lightweight program options, the use of external rotor motor electric chain saws is also very practical and comfortable, because of less vibration and less noise.

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Leaf Blower Brushless Motor

The garden tool leaf blower is an efficient cleaning tool, mainly used for cleaning up in gardens, farms, nurseries and other places. It quickly blows away fallen leaves, dust, weeds and other debris through strong wind power, significantly improving cleaning efficiency and reducing manual labor intensity.

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String trimmer Brushless Motor

String trimmer is a garden tool specialized in trimming hedges, shrubs, tea trees and other plants, widely used in parks, gardens, roadside hedges and tea gardens and other scenes. String trimmer with its efficient and convenient characteristics, become an indispensable tool in modern garden and agricultural production, matching the right motor can significantly improve the working efficiency, while ensuring the quality of pruning.

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