HANNOVER MESSE 2018, 23 - 27 April
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Exhibitor 2017

Once Top Motor Manufacture

Logo Once Top Motor Manufacture
Co-exhibitor with
Hannover Milano Fairs Shanghai

Company Data

Once Top Motor Manufacture
Co., Ltd.

Bldg 110,
4th Industrial Park
Mashantou, Gongming Town,
518106 Shenzhen
Send E-mail
Fax: +86 755 29886508


Type of company

Company profile

Founded in 2001, Once Top Motor Manufacture Co., Ltd. (hereinafter referred to as Once Top) is specialized in DC micro-motor development, production and sales. The headquarters is located in China science and technology innovation city - Shenzhen. We have our subsidiaries in Shanghai, Anhui, and offices in Hong Kong. Once Top has more than 1800 employees, annual output of various types of micro-motor and aperture module more than 80 million. After more than ten years' development, Once Top has became a leading domestic micro motor industry.




SM42P-455 with the following specifications: Step Angle: 7.5° Voltage(V): 24 Current(mA): 500 Resistance(Ω): 6.6 Phase: 2 Drive Mode: Bipolar Max.No.Load Response(pps): >650 Max.Slew Speed(pps): >800 Torque( Pull in(600PPS)>450; Pull out(800PPS)>450; Holding>650read more



OT-CM2431-01 with the following specifications: Nominal Voltage(V): 12 No Load Speed(RPM): 14400 No Load Current(A): 0.045 Nominal Torque(mN.m): 2.9 Nominal Current(A): 0.38 Stall Torque(mN.m): 28 Stall Current(A): 3.35 Max. Efficiency(%): 78.1 OT-CM2431-02 with the following specifications: Nominal more



OT-EF4010B with the following specifications: Bearing System: Ball Rated Voltage(VDC): 12.0 Operation Voltage(VDC): 6.0-13.8 Rated Current(A): 0.10 Rated Speed(RPM): 7000 Air Flow(CFM): 7.5 Air Pressure(mmH20): 3.5 Noise Level(dBA): 34 Function: AS, FG, RD, PWM Weight: 16g OT-EF4010S with the following more



OT-12GA with the following specifications: Voltage(V): 5 No Load Speed(RPM): 113 No Load Current(A): 0.1 At Maximum Efficiency Speed(RPM): 90 At Maximum Efficiency Current(A): 0.3 At Maximum Efficiency Torque(mN.m): 29 At Maximum Efficiency Torque( 0.3 At Maximum Efficiency Output(W): 0.27 Stall more


EM 2015

EM 2015 with the following specifications: Rate Voltage(V): 7.4 No load Speed(RPM): 4800 No load Current(A): 0.2 Rated Speed(RPM): 3850 Rated Torque( 78 Rated Current(A): 0.8 Rated Efficiency(%): 52 Torque Constant( 98 Speed Constant(RPM/A): 649 Weight of motor(g): 16.8read more

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