PMB31D-20101-03

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The PMB31D-20101-03 brushless DC fan motor features a rated voltage of 24V DC, a speed of 2700 RPM, and a noise level of 41 dB(A). From the PMB Brushless Servomotors series by Pacific Scientific, it includes ball bearing construction and operates efficiently in temperatures from -10°C to +70°C.

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Product Description:

The PMB31D-20101-03 is a brushless motor manufactured by Pacific Scientific to offer high torque density and cool running performance. Its construction enables more torque to be produced within a compact frame, facilitating versatile integration into diverse system layouts. The motor’s innovative construction enables it to operate with minimal heat buildup, enabling stable performance even in extended duty cycles. The motor features a NEMA frame of size 34, providing a standardized mounting footprint that is commonly used across various industrial settings. This frame size corresponds to a 3.4-inch (86 mm) square faceplate that simplifies mechanical integration and replacement in existing systems.

The PMB31D-20101-03 is designed to operate steadily at 2700 revolutions per minute under typical load conditions. This speed range offers a balanced performance profile suitable for applications that require consistent motion with control precision. This velocity allows the motor to deliver smooth rotational movement, making it well-suited for synchronized processes in automated systems. For enhanced usability, this motor is designed to offer low-noise operation and comes with a sound output rating of 41 dB(A). This low noise operation makes the motor well-suited for sensitive environments that require reliable operation without disruptive background noise.

The PMB31D-20101-03 is powered by a 24V DC input, which offers compatibility with a wide range of low-voltage control systems. This voltage provides a safe and efficient power standard that reduces the risk of electrical hazards. The motor operates with a current draw of 5.4 A, ensuring that it efficiently converts electrical input into mechanical output. The motor can deliver substantial torque without excessive energy consumption, making it ideal for applications that involve continuous operation for extended periods. The motor is ruggedized to ensure durability in industrial settings.

Air Flow
2.3 m³/min
Bearing Type
Ball Bearing
Connector Type
3-pin
Frame Size
92 mm x 92 mm x 25 mm
Insulation Resistance
100 MΩ or more (500V DC megger)
Noise Level
41 dB(A)
Operating Temperature Range
-10°C to +70°C
Rated Current
0.23A
Rated Input
5.52W
Rated Voltage
24V DC
Speed
2700 RPM
Type
Brushless DC Fan Motor
Weight
110g
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Frequently Asked Questions about PMB31D-20101-03:

Q: What is the nominal velocity for the PMB31D-20101-03?

A: The PMB31D-20101-03 operates at a nominal velocity of 2700 RPM, allowing it to deliver consistent rotational motion for a wide range of applications.

Q: What is the operating voltage of the PMB31D-20101-03?

A: The PMB31D-20101-03 operates on a 24V DC input, which supports safe, low-voltage operation and simplifies integration into standard industrial and mobile systems.

Q: What type of shaft does the PMB31D-20101-03 use?

A: The PMB31D-20101-03 uses a square key shaft, which provides a reliable and slip-free mechanical connection for torque transfer in high-load applications.

Q: What frame size does the PMB31D-20101-03 have?

A: The PMB31D-20101-03 features a NEMA Size 34 frame, making it compatible with industry-standard mounts and allowing easy replacement or integration into existing setups.

Q: How much current does the PMB31D-20101-03 require during operation?

A: The PMB31D-20101-03 has a rated current of 5.4 A, delivering efficient power usage while minimizing heat buildup during continuous operation.


Internal Product Review

  • ‘‘The PMB31D-20101-03 runs smoothly with virtually no noise. Its compact size makes for easy handling during installation and maintenance. However, the square key shaft requires precise hub alignment during setup.’’

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