PMA44P-10100-00 Pacific Scientific
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The Pacific Scientific PMA44P-10100-00 is a brushless servomotor from the PMA Brushless Motors series. It offers a continuous stall torque of 8.2 Nm and a peak torque of 29.4 Nm, with a winding voltage class of 240-480V AC. The motor features a 115 mm body, right-angle power connector, resolver sensor type, and weighs 9 kg.
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Product Description:
The PMA44P-10100-00 is a brushless servomotor manufactured by Pacific Scientific within the PMA Brushless Motors series. Designed for closed-loop position and speed control in automated machinery, the unit converts drive current into precise rotary motion without the maintenance associated with motor brushes. Its responsive operation supports conveyor indexing, packaging axes, and other applications that require consistent torque during rapid changes in speed or position. Resolver feedback allows the connected drive to monitor rotor position and correct motion as operating loads change.
At stall, the shaft can continuously deliver 8.2 Nm, indicating the static load that the windings can sustain under rated thermal conditions. For rapid acceleration, the magnetic circuit provides a peak torque of 29.4 Nm, giving the motor additional capacity to overcome friction or short inertial surges. These torque levels are achieved with a nominal stall current of 5.4 A RMS, so the connected drive must supply that current without excessive ripple. The stator is wound for the 240–480 V AC class, allowing operation with common industrial bus voltages. A rotor inertia of 0.68 × 10⁻³ kg·m² supports fast speed changes while maintaining mechanical stability during positioning cycles. The motor is built without a brake, so external locking or drive-supplied holding torque is required when a stationary load must remain secured. Its stack length is coded as 4, providing the active iron depth used to produce the rated torque.
A square frame size of 115 mm establishes the flange dimensions used for mounting the motor to gearboxes, machine plates, or direct-drive couplings. The assembly weighs 9.0 kg, which keeps the load on supporting structures moderate while providing a stable housing for the rotor and stator. Power reaches the windings through a 6PP six-pin power connector positioned at a right angle to the housing, reducing the cable bend required in confined installations. Output torque is transferred through a closed keyway with a fitted key, providing positive engagement with pulleys, hubs, or rigid couplings. This shaft arrangement limits rotational slipping between the motor and the attached mechanical component under changing torque loads.
