BL-MC150E-20TB

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The BL-MC150E-20TB servo motor by Okuma boasts a typical forward voltage of 3.2V, a luminous intensity of 20 mcd at 20mA, an operating temperature range of -30 to +85°C, and a compact package size of 2.0 x 1.25 x 0.8 mm. As part of the BL Servo Motors series, this model exhibits a maximum power dissipation of 75 mW.

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Product Description:

Okuma’s famous BL-MC150E-20TB is a high-power motor designed for the most demanding servo systems and industrial applications. With its compact form factor and well-designed chassis, the BL-MC150E-20TB is one of Okuma’s top-tier servomotors released under the BL product series. It is characterized by its high efficiency and high nameplate frequency. As a three-phase servo motor, this machine incorporates a permanent magnetic field in its core, allowing it to achieve its rated speed in a short amount of time. Based on its nameplate, the BL-MC150E-20TB should be connected in wye configuration to operate properly. Similar to other BL servomotors, this AC machine has an insulation class of F.

The BL-MC150E-20TB does not employ forced-air cooling fans, allowing it to achieve a high power-to-mass ratio. It employs a built-in ER Okuma encoder, making it ideal for highly precise servo systems and applications. When operated at its nominal input voltage, the BL-MC150E-20TB can achieve its rated power output and speed. Specifically, the BL-MC150E-20TB can achieve a rated power output of 3000 watts continuously. At this output power, the shaft velocity of the motor is around 2000 rpm. As a BL servomotor, the BL-MC150E-20TB is compatible with other Okuma drives and encoders.

The BL-MC150E-20TB has a stall torque rating of 16.2 Nm. For servomotors, the stall torque provides an estimate of the typical inrush torque capabilities of the motor. It can also be used for determining the type of loads that are compatible with the motor. At nameplate conditions, the BL-MC150E-20TB has a terminal voltage of 133 V and an RMS current value of 3.4 A. In AC systems, the RMS current is the equivalent DC value of the AC waveform.

Dominant Wavelength
468 nm (typical)
Forward Current
20 mA (maximum)
Forward Voltage
3.2 V (typical); 3.6 V (maximum)
Lead Soldering Temperature
260°C for 5 seconds
Led Type
SMD 0805
Luminous Intensity
20 mcd (typical) @ 20mA
Operating Temperature
-30 to +85°C
Package Size
2.0 x 1.25 x 0.8 mm
Power Dissipation
75 mW (maximum)
Reverse Voltage
5 V (maximum)
Storage Temperature
-40 to +85°C
Viewing Angle
120°

Frequently Asked Questions about BL-MC150E-20TB:

Q: What is the nameplate frequency of the BL-MC150E-20TB?

A: The BL-MC150E-20TB has a nameplate frequency of 133 hertz.

Q: How many poles does the BL-MC150E-20TB contain?

A: The BL-MC150E-20TB contains eight poles spaced 45 degrees apart.

Q: What is the shaft diameter of the BL-MC150E-20TB?

A: The BL-MC150E-20TB has a shaft diameter of 24 millimeters.

Q: What is the mass of the BL-MC150E-20TB?

A: The BL-MC150E-20TB has an approximate mass of 55.1 kilograms.

Q: What type of encoder is compatible with the BL-MC150E-20TB?

A: The BL-MC150E-20TB is compatible with the ER-FC-2048D encoder, also by Okuma.


Internal Product Review

  • ‘‘The BL-MC150E-20TB is a high-performing BL Okuma motor designed to drive high torque loads and mechanical components. It requires AC excitation to provide consistent driving speed and output torque.’’

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