Brushless Motors

BMU Series

Brushless Motors BMU Series
  • Equipped with a Digital Display Panel and a Setting Dial, It is Easy to Operate with a Rotate-and-Push
  • Equipped with Features such as Load Factor Display, 4-Speed Operation and Alarm Output
  • Easy Wiring to Connect the Motor and Driver
  • Output Power 30 to 400 W
  • Speed Control Range 80 to 4000 r/min

Tính năng |Brushless motor BMU Series

Key Features

Rotate and Push. Easy Speed Control.

  • Rotating Speed Control
    Turn the dial and set to the desired speed.
  • Change by 1 r/min
    Turning the dial slowly changes the speed by 1 r/min.
  • Setting With a Push
    Pushing the dial sets the speed.
  • Can be Locked
    The dial operation can be locked.

Easy speed control with video

Simple Wiring. Immediate Start.

  • Simple Connection
    The motor and driver can be easily connected.
  • Simple Wiring
    The power supply and I/O connectors feature a screw-less connector.
  • Immediate Start
    The motor can be started immediately with only one switch.
  • One-Touch Switching
    The motor rotation direction can be switched with ease.

Easy wiring and startup with video

Maximum Rotation Speed 4000 r/min, Speed Ratio 1:50 (2.5 times higher than conventional products)

The BMU Series has a maximum speed of 4000 r/min. A speed ratio of 1:50 (80~4000 r/min) is achieved. Speed regulation has also been greatly improved from ±0.5 % to ±0.2 % of conventional products.

Maximum speed 4000 r/min

Advantages of Brushless Motors

The brushless motor achieves high efficiency by employing permanent magnets in the rotor section.
The energy saving motors reduce power consumption and CO2 emissions.
Furthermore, the small size and light weight of the motor helps conserve resources and contributes to carbon neutrality initiatives.

Full Functionality

  • Speed Display

    Displays the motor rotation speed in increments of 1 r/min. Calculate the conveyor gear ratio and set the "Gear Ratio" parameter to display the conveyor transfer speed in m/s.

    Speed Display
  • Load Factor Display

    With the rated torque of the motor at 100 %, the load factor can be displayed as a percentage (40~200 %).
    The load condition during start-up, as well as the load condition due to the aging deterioration of the equipment, can be confirmed.

    Display at 50 Percent Load Factor
    Display at a load factor of 50 %
  • Protective Function

    Equipped with various protective functions, such as the overload protective function and the overvoltage protective function.
    When any protective function is activated, the alarm code is shown on the display and the alarm signal is output.

    Protective Function

4-Speed Operation

4-speed operation is possible by setting the data to operation data No. 0, No. 1, No. 2, or No. 3, and switching the input of the M0 and M1 terminals.

4-Speed Operation is Possible


When operating in 4-speed settings, the rotation direction of the motor cannot be changed by external input signals.
(30, 60, 120 W)

Setting the Acceleration/Deceleration Time

The setting for the acceleration time and deceleration time can be adjusted with the acceleration/deceleration time potentiometer, or can be done via the digital setting.

  • Setting Range: 0.0~15.0 sec (Initial value: 0.5 sec)

Fine adjustment of the shock mitigation is possible when starting and stopping the load, and the time can be freely set to match the takt time.

Output Shaft Holding When Stopped

The load can be electrically held when the motor is at standstill. (Holding force of approximately 50 % of the rated torque)


If the power supply to the driver is turned OFF, the holding force dissipates. This cannot be used to prevent a fall during a power outage.

Other Functions

  • Setting Dial Operations Lock
  • When operating by an external signal, operation of the switch on the front panel can be set to "Invalid".

Connector Type Direct Connection

Locking Lever Type Connector for Direct Connection (Connector type)

A locking lever type connector specifically designed for small motors allows direct connection between motor and driver.

BMU connector type

Simple Connection

Cable connection is easy due to the locking lever that does not require screw fitting.

Installation Method

Installation Method
  • Insert the connector
  • Turn down the locking lever
  • Connection Completed

Direct Connection With Motors and Drivers*

Without an extension cable, a connection of up to 10 m is possible.

Direct Connection With Motors and Drivers

Flexible cables are also available

Use the flexible connection cable in applications where the cable is bent and flexed repeatedly.

Cable Outlet Direction Can be Selected

  • Cable outlet in output shaft direction
    Cable outlet in output shaft direction
  • Cable outlet opposite to output shaft direction
    Cable outlet opposite to output shaft direction
  • Cable outlet in vertical direction
    Cable outlet in vertical direction

IP67 Watertight, Dust-Resistant Motor That Can be Washed in Water

Features of Watertight, Dust-Resistant Motors

Excellent Protective Structure, Degree of Protection

  • Motor Structure

    A sealing insert (O-ring) is used for the mating part to prevent water from entering the inside of the motor.

    Motor Structure
  • Connector Structure

    The connector structure has a built-in gasket and O-ring for improved waterproofing.
    It is IP67-compliant, including the connector part.

    Connector Structure

Water-Washable IP67 Rating

Can be washed with water while still attached to the equipment

Usable in dusty applications

Waterproof Test Conditions:
Immersion to a depth of 1 m for 30 minutes

Oriental Motor's Original "Water-Washing Resistant Test"*

① Thermal Shock Test
Apply heat deterioration equivalent to 5 years for sealing insert (O-ring)
② Vibration Test
Apply vibration to the motor
③ Water Discharge Test
Apply water pressure of 100 kPa.

Improved Anti-Corrosion Properties

Special rust-resistant coating is applied, and stainless steel material is used for the output shaft and screws. The mounting surface is also painted to prevent rusting, even when assembled to stainless steel equipment.

Improved anti-corrosion properties

Matches a Clean Environment

No cooling fan needed, because of the high efficiency motor. Therefore, there is no need to worry about generating dust from outside.

Matches a Clean Environment

New Connection Cable With IP66/IP67 Rating (For connector type)

Watertight, dust-resistant connection cable for relay connection of motors and drivers are now available.
The connector of the relay section is IP66/IP67-compliant

A Wide Variety of Gearheads to Choose From

In addition to the conventional parallel shaft gearhead GFV gearheads, a lineup of gearheads with features such as high gear ratio, high strength, and space saving is available.
The permissible load and maximum permissible torque of the output shaft have been greatly increased.

Gearhead Types and Features

Gearhead Type Parallel Shaft Gearhead Right-Angle Gearhead Hollow Shaft Flat Gearhead
GFV Gearhead JV Gearhead JB Gearhead JH Gearhead FR Gearhead
External View GFV Gearhead JV Gearhead JB Gearhead JH Gearhead FR Gearhead
  • Iron shaft, stainless steel shaft
  • Tapped hole at the end of the output shaft
  • H1 food-grade lubricant is also available
  • High gear ratio
  • Stainless steel shaft
  • high rigidity
  • High Gear Ratio
  • Integrated foot mount
  • Space saving, cost saving
  • high strength
  • Stainless Steel Shaft
  • Space Saving, Cost Saving
  • High permissible torque
Output Power 30 W, 60 W, 120 W
200 W, 300 W, 400 W
200 W, 300 W, 400 W 200 W, 300 W, 400 W 60 W, 120 W, 200 W
300 W, 400 W
30 W, 60 W, 120 W
200 W, 300 W, 400 W
Gear Ratio 5~200 100~450 5~1200 5~200 5~200
Rated Life 10000 hours 5000 hours 5000 hours 5000 hours 10000 hours
Permissible Radial Load* 1400 N 3123 N 3672 N 2405 N 2040 N
Permissible Axial Load* 400 N 480 N 577 N 550 N 800 N
Permissible Torque* 70 N·m 198 N·m 518 N·m 82.8 N·m 54 N·m
  • *This value is for output power of 200 W, 3000 r/min, and the maximum gear ratio.

Refer to here for more information on gearhead features.

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