PMA44R-00100-00
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The PMA44R-00100-00 brushless motor features an IP65 enclosure rating, a magnetic measuring principle, a shaft diameter of 10 mm, and supports a maximum rotational speed of 6,000 rpm. Part of the PMA Brushless Motors series by Pacific Scientific, it operates within -40°C to +85°C and utilizes an M23 connector with 12 pins.
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Product Description:
The PMA44R-00100-00 is a brushless servo grade motor of Pacific Scientific which lacks physical brushes and commutators and relies on electronic commutation which allows for quieter operation, reduced maintenance and finer motion control.
The PMA44R-00100-00 motor comes equipped with a polished, cylindrical drive shaft and it complies with the DIN 42955 N accuracy class which ensures tight tolerances for shaft concentricity and improved dynamic balance. It is powered through a wide alternating current voltage range from 240 volts up to 480 volts which allows for flexible installation across various electrical systems and is typically suited for industrial grade power supply systems. Its housing is square shaped with each side measuring 115 millimeters and it is engineered to rotate steadily at 3450 rpm under continuous load which represents its optimal running speed where performance, efficiency and thermal characteristics are balanced for long time performance. It will coast to a stop when a power is removed due to the absence of an electromagnetic braking mechanism which might not be ideal in applications that require immediate holding. It is capable of delivering a momentary rotational force of up to 16.9 Nm when under maximum allowable stress and it utilizes a 6 pin power plug and a 12 pin signal or feedback output connector.
This PMA44R-00100-00 motor is capable of reaching a free running velocity of 4200 rpm when running without any mechanical load attached to the output shaft and it can consume a sustained RMS current of 11 amperes when its rotor is locked. It incorporates a conventional resolver which is a type of rotary electrical transformer that provides analog feedback for precise control and its stator consists of four laminated magnetic segments which together determine its axial length and partially its torque generating ability.
Frequently Asked Questions about PMA44R-00100-00:
Q: How does the resolver in PMA44R-00100-00 improve positional accuracy in feedback systems?
A: The resolver provides continuous analog feedback, allowing high-precision control in closed-loop systems. Its durability also ensures consistent performance in high-vibration industrial settings.
Q: Why is a smooth shaft design used in the PMA44R-00100-00 motor?
A: A smooth shaft reduces mechanical wear and backlash, ideal for tight-tolerance couplings. This design improves alignment accuracy during high-speed rotation.
Q: How does the wide voltage range of 240–480V AC benefit PMA44R-00100-00 installations?
A: It allows the motor to operate in various international power systems without conversion. This increases compatibility and flexibility for OEM applications.
Q: Why does the PMA44R-00100-00 not include a brake system?
A: The absence of a brake reduces component wear and simplifies control. However, it requires external systems in applications needing position holding at power-off.
Q: What role do the 6PP and 12PSO connectors play in this Bosch PMA motor?
A: They streamline the interface between power and feedback systems. This modular design supports quick servicing and flexible drive integration.
