S32GMNA-RNNM-00 Pacific Scientific
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The Pacific Scientific S32GMNA-RNNM-00 is a 6-pole Neodymium magnet brushless servo motor from the S Brushless Motors series. It features a continuous stall torque of 4.0 Nm, a peak torque of 11.3 Nm, and weighs 4.9 kg. This motor uses a size 21 frameless resolver as its primary feedback device and supports metric mounting with a NEMA 34 frame size.
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Product Description:
The S32GMNA-RNNM-00 belongs to the S Brushless Motors series manufactured by Pacific Scientific. It is a 6-pole brushless servo motor with neodymium magnets that delivers repeatable motion profiles for indexing tables, pick-and-place gantries, and other closed-loop axes in industrial automation. The model uses resolver feedback with digital drives to translate current commands into rotary motion without the brush wear associated with brushed designs. This arrangement supports smooth commutation and stable speed and position control during repeated production cycles.
This motor supplies a continuous stall torque of 4.0 Nm, allowing it to hold static loads without exceeding rated temperature rise. Its peak capability reaches 11.3 Nm for short acceleration bursts during rapid motion. A line-to-line inductance of 18.0 mH moderates current ripple so the drive can apply high-frequency PWM without excessive heat buildup. The winding resistance is 6.2 Ω, which contributes to copper losses and affects the bus voltage needed for full torque delivery. With a torque constant of 1.3 Nm/ARMS, each ampere of phase current produces predictable mechanical output for current-mode control. The motor uses metric mounting and routes power and feedback through a motor-mounted MS connector. It is supplied without a holding brake, so a separate method is needed if the load must remain fixed after power is removed.
A rotor inertia of 0.34 × 10⁻³ kg·m² supports rapid speed changes while helping keep overshoot low in responsive axes. The overall weight of 4.9 kg keeps the motor manageable for compact machine assemblies. Its NEMA 34 frame matches common gearheads and clamps, and the voltage constant of 0.82 VRMS/rad/sec helps estimate back EMF during dynamic braking. The stack length uses a two-lamination depth, and the G-type winding balances speed with torque density. There is no shaft seal, so the motor should be mounted away from fluid ingress. A size-21 frameless resolver provides primary feedback, and no secondary transducer is included.
Frequently Asked Questions about S32GMNA-RNNM-00:
Q: What is the continuous stall torque rating of the S32GMNA-RNNM-00 motor?
A: The S32GMNA-RNNM-00 provides a continuous stall torque of 4.0 Nm for reliable performance in demanding applications.
Q: Does the S32GMNA-RNNM-00 motor include a holding brake?
A: This motor comes without a holding brake, so it will not maintain shaft position power-off.
Q: Which feedback device is used on the S32GMNA-RNNM-00 motor?
A: The S32GMNA-RNNM-00 is equipped with a size 21 frameless resolver as its primary feedback device.
Q: What mounting standard does the S32GMNA-RNNM-00 use?
A: This model features a metric mounting standard for compatibility with metric hardware and systems.
Q: What type of termination style does the S32GMNA-RNNM-00 provide?
A: It utilizes a motor-mounted MS Connector as its termination style for electrical connections.
