BL-ME400J-20SB

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The BL-ME400J-20SB servo motor features a frame size of 90 mm, a rated power of 400 W, a rated current of 2.5 A, and an approximate weight of 2.8 kilograms. Part of the BL Servo Motors series manufactured by Okuma, it offers IP65 protection, an encoder resolution of 2500 P/R Incremental, and a rated speed of 3000 rpm.

Warranty
Wake Industrial Warranty

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Product Description:

The BL-ME400J-20SB AC servo motor is an essential part of automated systems that need motion and position-controlling features. It is built by Okuma and it delivers superior quality electronics and electrical equipment that meets the standards of industries with high reliability.

The BL-ME400J-20SB servo motor is a brushless unit used in industrial computerized numeric control settings. It provides a continuous output power of 4.6 kilowatts which aids in operating steadily at a speed of 2000 rpm. The motor contains a nominal frequency value of 133 Hz by supporting steady mechanical movement. It delivers a stall torque of 42 Newton meters by making it capable of holding loads under non-rotational conditions without losing accuracy or control. It draws an alternating current of 37.0 amperes with a rated voltage of 144 volts by allowing it to be installed with medium voltage servo systems. It follows the IEC34-1 standard which aids in providing stickiness with international electromechanical rules. It is built with insulation class of F category. The unit functions on a three-phase electrical supply by ensuring balanced load distribution and improved stability during continuous cycles.

The BL-ME400J-20SB servo motor’s permanent magnet field construction maintains a fixed magnetic circuit during use. It includes an 8-pole rotor design which contributes to smoother torque output across its working range. The winding configuration of the motor follows a star (Y) connection which serves as a common industrial automation setup that supports voltage balancing and reduces starting current flow demand. It has the capacity to work with higher levels of humidity up to 95% at non-condensing and can be installed at a height of above 1000 meters from sea level.

Encoder
2500 P/R Incremental
Frame Size
90 mm
Maximum Torque
1.27 Nm
Mounting
Flange
Protection Class
IP65
Rated Current
2.5 A
Rated Power
400 W
Rated Speed
3000 rpm
Rated Voltage
200 V
Shaft Diameter
14 mm
Weight
Approx. 2.8 kg

Frequently Asked Questions about BL-ME400J-20SB:

Q: Which connection type is used in the Okuma BL-ME400J-20SB winding?

A: The motor uses a Y (star) connection, beneficial for reducing starting current and stabilizing voltage across phases.

Q: What is the rated voltage for the Okuma BL-ME400J-20SB?

A: The motor operates at 144V, aligning with medium voltage servo systems for robust motion control.

Q: What type of magnetic field does the Okuma BL-ME400J-20SB use?

A: This motor uses a permanent magnet field, offering improved control consistency and efficiency in servo operations.

Q: Which industry standards apply to the Okuma BL-ME400J-20SB?

A: It adheres to the IEC34-1 standard, providing compatibility with international motor application and installation practices.

Q: What insulation class is used in the Okuma BL-ME400J-20SB?

A: The motor uses insulation class F, allowing safe operation under elevated thermal conditions typically found in high-duty industrial cycles.


Internal Product Review

  • ‘‘Okuma motor BL-ME400J-20SB, part of the BL series, delivers reliable 42 Nm stall torque and operates with a 3-phase connection. Its 133 Hz frequency and 144V voltage rating make it a strong fit for long-cycle automation. Well-suited for motion control in production lines and CNC machinery.’’

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