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As the world leader in motion systems, Oriental Motor has experience and knowledge in a wide range of areas related to motion control and motion systems. Oriental Motor's team of application specialists, engineers and technical support staff have a wealth of knowledge to share. As part of our commitment to provide the latest technology and service, Oriental Motor is now offering in-depth product and technology training for all. You can choose to join an online course, or stop by for an in-person training (available in Chicago and Los Angeles). To learn more about the new training Oriental Motor offers call 1-800-GO-VEXTA 1-800-GO-VEXTA (468-3982). Click here for more information.
The following marks are indicated on the nameplates of approved products. Learn More.
UL recognized component.
Recognized to Canadian safety requirements under the component Recognition Program of Underwriters Laboratories Inc.
Recognized to Canadian Safety requirements and UL under the component Recognition Program of Underwriters Laboratories Inc.
CSA certified component.
EN and IEC certified component (indicates that VDE, TÜV Rheinland or DEMKO has certified that the product meets EN or IEC standards.)
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Responding to customer requests for in-depth training, Oriental Motor offers Free Motion Control and Technical Seminars. Targeted towards the needs of local industries, Motion Fair included technical seminars, one-on-one engineering assistance and product displays. Motion Fair is a technical training and information-sharing event for customers and partners of Oriental Motor. Motion Fairs are held throughout the year at various location in the United States.
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The BHF Series consists of a high-power 200 W (1/4 HP) AC speed control motor combined with a dedicated inverter. Each motor comes pre-assembled with a gearhead to simplify installation in equipment. Parallel shaft and right-angle gearheads available.
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- Technical Article - Speed Control Methods
Excellent Speed Stability
The combination of a dedicated inverter with a motor achieves excellent speed stability with a fluctuation of only ±3%. The inverter is already optimized for use with the gearmotor, so detail adjustments are not required to achieve accurate speed control.
Automatic Control of an Electromagnetic Brake
The AC speed control system with an electromagnetic brake allows automatic on/off control of the electromagnetic brake (power off activated type) on the inverter side. No longer will it be necessary to prepare a separate power supply or program a control sequence.
Smallest Frame Size Among 1/4 HP (200 W) Motors
The BHF Series achieves an output of 1/4 HP (200 W), the highest among Oriental Motor's standard AC motors, with the smallest frame size [4.09 in. (104 mm) square] in that class. This allows for a reduction in the size of your equipment.
Wiring Length of up to 164 ft. (50 m)
The wiring distance between the motor and inverter can be extended to a maximum of 164 ft. (50 m)
Full-Range Functionality
The BHF Series offers a variety of functions such as alarm output, speed monitor output and individual acceleration/deceleration setting. The inverter also has a built-in I/O power supply.
Wide Product Variations
Pre-assembled gearmotors are available in a right-angle shaft type equipped with a hypoid gear (hollow shaft or solid shaft) and in a parallel shaft type. A wide range of gear ratios are available. An electromagnetic brake type is also available.
Global Specifications
The BHF Series conforms to international power-supply voltage specifications, including single-phase 100-115 VAC, single-phase 200-230 VAC and three-phase 200-230 VAC. All units comply with the UL/CSA standards and gear the CE mark as proof of compliance with the Low Voltage Directive and EMC Directive.
RoHS Compliant
RoHS (Restriction of Hazardous Substances) Directive:
Directive on restriction of the use of certain hazardous substances in electrical and electronic equipment (2002/95/EC).
The RoHS Directive prohibits the use of six chemical substances in electrical and electronic products sold in the EU member states. The six controlled substances are: lead, hexavalent chromium, cadmium, mercury and two specific brominated flame-retardants (PBB and PBDE).
Vertical Drive (Gravitational Operation)
The BHF Series achieves stable speed control during gravitational operation. During vertical movement, such as the illustrated application, normally an external force causes the motor to rotate and function as a power generator. If this energy is applied to the inverter, an error will occur. A regeneration unit (sold separately) can convert regenerative energy into themal energy for dissapation. Use the optional regeneration unit EPRC-400P when using the motor for vertical drive applications or when braking a large inertial load quickly.
Available Geared Types
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Parallel Shaft |
Right- Angle Solid Shaft |
Right-Angle Hollow Shaft |
Product Lineup
Type |
Motor Frame Size |
Output Power |
Electromagnetic Brake |
Rated Torque |
Speed Range |
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4.09 in. (104 mm) |
200 W (1/4 HP) |
180 oz-in |
100 ~ 2400 r/min |
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View Products = View all BHF Series Speed Control Products