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NEMA 34 Hudson™ Servo Motor
Part Number:

M-3421P-Lx-xxD

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Teknic's Hudson servo motors are designed to excel in the most demanding OEM applications, and provide benefits including:

  • Reduced motor footprint and maximized power output with optimized magnet shape, rotor skew, and rotor geometry.
  • Improved machine reliability with a brushless servo motor designed with oversized bearings, class H windings, and 3-year warranty.
  • Increased machine performance with Hudson's high torque density and fast electrical time constant.
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Motor Quantity Pricing
Qty:1-910-4950-99100-199200+
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Part Number: M-3421P-Lx-xxD

Torque/Speed Data at
With an Optimal Third-Party Drive

Specifications at 300VDC
Peak Torque
Cont. (RMS) Torque
Max Speed
Peak Power
Cont. (RMS) Power
These specs assume you are using a drive with optimal current. Below are the drive requirements to achieve maximum power.
Peak Current:
Cont. (RMS) Current:
Graph Legend
Peak TorqueCont. (RMS) Torque at 40°C

 

 

Torque speed curve example
Choose motor options to see specifications and torque/speed data

More Specifications

Motor Frame SizeNEMA 23/34 - in ( mm) sq.
Length in ( mm)
Insulation RatingClass H, 180° C
# Motor Poles8
Motor Pigtail Length 16 in ± 1 in (406.4 mm ± 25.4 mm) None; this motor has on-body connectors
Shaft Diameter 0.50 in (12.70mm)
Weight
Rotor Inertia
Max Case Temp.85° C
Max Winding Temp.155° C
Ambient Temperature1-40 to +70° C
Operating Conditions No direct-fluid washdown or submerged use IP67/66K Washdown
Encoder TypeDifferential signals; incremental
Commutation (Hall) Outputs120° spaced, optical commutation sensors
Maximum Radial Load 50.0 lbf (222.411 N)
Maximum Thrust Load5.0 lbf (22.2 N)
Ambient Humidity 0-95%; non-condensing 0-100%
Regulatory CertificationsUL recognized; CE; RoHS
Country of OriginUSA
Warranty3 Years

*See the user manual for more electrical specifications.

1The RMS torque limit on certain motors is derated for operation in ambient temperatures above +40 degrees C. Contact Teknic for derating assistance.

Hudson Features

High Power DensityDesigned with advanced 3-D FEA software to optimize magnet shape, stator skew angle, and rotor geometry. You get maximum power in any given motor size to move loads faster, and with more finesse.
Rugged and ReliableBrushless design, oversized bearings, high-temperature windings, fault-tolerant encoder design, and extensive testing of every single motor assures you of lasting reliability.
ResponsiveHigh torque-to-inertia ratio and fast electrical time constant give you the ability to make moves with rapid settling time, precise velocity regulation, and excellent dynamic accuracy.
Smooth/QuietLow torque ripple courtesy of a harmonically-pure back-EMF, combined with individually custom-balanced rotors, gives you ultra-smooth and quiet motion.
VersatileHigh power density and innovative cable management allow Hudson motors to fit into tight spaces. Open-standard design means you can use Hudsons with virtually any brushless servo drive.
USA BuiltCareful design for manufacturability and a large investment in automation allows us to cost-effectively assemble and test Hudsons right here in Rochester, New York, using skilled production technicians.
Unsurpassed WarrantyThree year warranty period—and it doesn't even start counting down until you take the motor out of your inventory and actually start using it (up to an additional six months from date of purchase).

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