S31HSNA-RNNM-03
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The S31HSNA-RNNM-03 by Pacific Scientific is part of the S Brushless Motors series and features a NEMA 34 frame size. It provides a continuous stall torque of 2.2 Nm and a peak torque of 6.2 Nm. This motor weighs 3.2 kg and comes with a size 21 frameless resolver as its primary feedback device.
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Product Description:
The S31HSNA-RNNM-03 motor from Pacific Scientific drops into the S Brushless Motors series and stays reliable even after long shifts in automation work. The NEMA 34 frame size gives this model a solid build, giving it enough weight to sit still when it needs to. Pulling 2.2 Nm of continuous stall torque out of this motor means stops and starts won’t knock it off balance. It pushes harder if needed, reaching up to 6.2 Nm of peak torque, so no dragging when heavier loads show up. 3.2 kg sits on the scale with this one, so it handles hanging off machines that have to stay steady.
Cooling doesn't get overcomplicated—natural airflow keeps things simple since the motor build doesn’t pack in extra fans or cooling lines. The size 21 frameless resolver on board delivers feedback straight back to the controls, helping catch even the small changes when speed or position shift. That resolver fits inside, sealed up to avoid condensation problems that can slow down similar motors. The wire hookup goes through a motor-mounted MS connector, which feels sturdy and snaps on tight, saving time for wiring teams dealing with clusters of cables in automation cabinets. Feedback runs only from the main resolver, no backup packed in, just what’s needed.
A finish without a shaft seal keeps maintenance to a minimum, especially if the job site doesn’t swing oil or dust around like crazy. Stack length set at 1 keeps the motor profile from stretching out too far, making it a go-to option for compact panel spots. Numbers like 10.3 mH line-to-line inductance and 4.1 Ohms resistance show right away this design points toward energy efficiency without wasting current.
Frequently Asked Questions about S31HSNA-RNNM-03:
Q: What is the continuous stall torque provided by the S31HSNA-RNNM-03 motor?
A: The S31HSNA-RNNM-03 motor delivers a continuous stall torque of 2.2 Nm.
Q: What type of primary feedback device is included with the S31HSNA-RNNM-03 motor?
A: This motor features a size 21 frameless resolver as its primary feedback device.
Q: What is the frame size designation of the S31HSNA-RNNM-03 motor?
A: The motor comes with a NEMA 34 frame size.
Q: How much does the S31HSNA-RNNM-03 motor weigh?
A: This motor weighs 3.2 kg.
Q: What is the peak torque output of the S31HSNA-RNNM-03 brushless motor?
A: The peak torque for the S31HSNA-RNNM-03 motor is 6.2 Nm.
