PMA43P-00100-00 Pacific Scientific
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The Pacific Scientific PMA43P-00100-00 is part of the PMA Brushless Motors series and is a brushless servomotor with a smooth shaft and right-angle connector orientation. It offers a continuous stall torque of 6.1 Nm and a peak torque of 21.7 Nm, with a motor body square of 115 mm. The motor features a resolver sensor type, no brake, and a weight of 7.6 kg.
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Product Description:
The PMA43P-00100-00 is a brushless servomotor built by Pacific Scientific and supplied in the PMA Brushless Motors series. As a permanent-magnet AC unit, it provides closed-loop position and velocity control for indexing tables, pick-and-place arms, and other automated axes that call for repeatable motion without mechanical commutation. Its brushless design supports smooth response during frequent starts, stops, and direction changes in automated motion systems. This makes it suitable for servo applications that require stable low-speed control as well as accurate point-to-point positioning.
The continuous stall capability is rated at 6.1 Nm, meaning the rotor can hold that torque indefinitely without exceeding permitted winding temperature. For short bursts, the motor can deliver a peak torque of 21.7 Nm, giving extra torque for acceleration or brief impact loads. Rotor inertia is 0.52 kgm² × 10⁻³, so drive commands can produce quick speed changes with limited overshoot. At standstill, the phase current drawn at nominal conditions is 5.4 ARMS, which guides drive sizing and cabling. The stator is wound for a nominal voltage class of 240–480 V AC, allowing connection to common three-phase industrial buses. The motor body square is 115 mm, which sets the flange footprint and helps match gearboxes or mounting plates to the frame size.
The unit weighs 7.6 kg, so moving-axis installations must account for that mass on gantries or vertical slides. Power and feedback leads use a right-angle exit, which is useful where cabinet depth is restricted or cable routing space is limited. Rotor position is reported through a resolver, enabling analog feedback that tolerates shock and temperature variation. The smooth shaft simplifies coupling to precision clamps, and the motor is supplied without a brake. Any load that must remain fixed after power removal needs holding torque from the drive or another external method. The motor has a stack length code of 3 and a 6PP power connector with a six-pin plug layout.
Frequently Asked Questions about PMA43P-00100-00:
Q: Does the PMA43P-00100-00 motor come with a holding brake?
A: This motor is manufactured without a holding brake.
Q: What is the continuous stall torque rating of the PMA43P-00100-00?
A: The PMA43P-00100-00 produces a continuous stall torque of 6.1 Nm.
Q: What is the peak torque capability of the PMA43P-00100-00 motor?
A: Peak torque for this model reaches up to 21.7 Nm during operation.
Q: What type and orientation of power connector does the PMA43P-00100-00 feature?
A: The PMA43P-00100-00 uses a 6-pin right-angle power connector for electrical connections.
Q: What sensor type is provided for feedback on the PMA43P-00100-00?
A: A resolver is used as the feedback sensor in this motor model.
