PMA42P-00100-00 Pacific Scientific
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The Pacific Scientific PMA42P-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 delivers a continuous stall torque of 4.1 Nm, a peak torque of 14.6 Nm, and has a weight of 6.2 kg. The servomotor uses a resolver sensor type and operates with a winding voltage class of 240-480V AC.
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Product Description:
The PMA42P-00100-00 is a brushless servomotor produced by Pacific Scientific within the PMA Brushless Motors series. As a permanent-magnet AC unit, it converts electrical energy into controlled rotary motion, giving closed-loop torque and speed output for indexers, pick-and-place axes, and similar industrial automation tasks. When paired with a compatible drive, the motor provides precise position feedback through its internal resolver and eliminates the brush wear associated with older DC designs.
Continuous stall capability is rated at 4.1 Nm, allowing the shaft to hold static loads without overheating when the axis is stopped. For brief acceleration or impact events, the motor can deliver a peak of 14.6 Nm, giving extra torque margin before current limits are reached. The reflected load must also account for the rotor inertia of 0.36 kg·m² × 10⁻³; this low inertia supports fast start-stop cycles and helps minimize settling time. To obtain full stall torque, the drive must supply 5.4 ARMS of phase current, and it must operate within the winding voltage class of 240–480 V AC. A square frame of 115 mm on each side forms the mounting interface and fits most NEMA 34 style gearheads. The stack length code 2 increases magnetic length while keeping the frame footprint unchanged, and the motor is supplied without a holding brake.
The housing mass is 6.2 kg, which is light enough for gantry axes while still helping damp vibration. Cabling exits through a right-angle 6PP power connector, which simplifies routing inside shallow control enclosures. The shaft has a smooth land rather than a keyway, which helps reduce coupling stress, and position data comes from the integrated Resolver. With no special design options declared, the motor follows the standard PMA thermal characteristics for general-purpose indoor equipment.
Frequently Asked Questions about PMA42P-00100-00:
Q: What is the connector orientation of the PMA42P-00100-00 motor?
A: The PMA42P-00100-00 motor is equipped with a right-angle connector orientation for easier cable management in tight installations.
Q: What is the continuous stall torque rating of the PMA42P-00100-00 servo motor?
A: This model provides a continuous stall torque of 4.1 Nm, allowing reliable sustained load handling.
Q: Does the PMA42P-00100-00 come with an integrated brake?
A: The PMA42P-00100-00 does not include a brake as standard.
Q: What type of feedback sensor does the PMA42P-00100-00 use?
A: A resolver is used as the sensor type on this Pacific Scientific PMA motor.
Q: What is the peak torque capability of the PMA42P-00100-00 brushless motor?
A: The peak torque output of the PMA42P-00100-00 reaches up to 14.6 Nm for brief overload conditions.
