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E31NRHB-LNN-NS-00

E31NRHB-LNN-NS-00

Best price now

$1,924.97at Servo SupplierChecked Nov 12

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Price facts

  • Last seen at $1,924.97 at Servo Supplier on Nov 12.

Our take on the E31NRHB-LNN-NS-00

The Kollmorgen E31NRHB-LNN-NS-00 is a NEMA 34 hybrid stepper motor rated at 344 oz-in holding torque and 8.4 A per phase. Its very low 0.13 Ω phase resistance and 1.1 mH inductance suit high-current drives that need fast current rise and quick step response. It is a bare motor for machine builders and motion-control integrators, not a plug-and-play kit. Against typical NEMA 34 steppers, which run lower current and higher resistance, it trades drive compatibility for torque at speed.

Best forMachine builders specifying a NEMA 34 axisHigh-current stepper drives with microsteppingApplications needing fast acceleration and step responseRetrofits into existing NEMA 34 mounts
Pros
  • 344 oz-in holding torque in a 3.2 lb NEMA 34 frame
  • Low 0.13 Ω phase resistance for fast current rise
  • 1.1 mH inductance supports high step rates
  • 3.9 °C/W thermal resistance helps heat dissipation
  • Standard NEMA 34 face and shaft mounting
Cons
  • 8.4 A per phase demands a drive rated for high current
  • Low resistance needs a current-controlled chopper drive
  • No encoder, cable or connector included
  • Spec sheet gives no step angle or shaft dimensions

E31NRHB-LNN-NS-00 prices at every store

  • Servo SupplierNew

    In stockReturn policy

    $1,924.97Checked Nov 12
    Visit Servo Supplier

About the E31NRHB-LNN-NS-00

The E31NRHB-LNN-NS-00 is a NEMA 34 frame stepper motor made by Kollmorgen. It belongs to the E Hybrid Stepper Motors series.

It has a holding torque of 344 oz-in and drives 8.4 A per phase. Phase resistance is 0.13 Ω, and inductance is 1.1 mH. Thermal resistance is 3.9 °C/Watt.

Brand
Kollmorgen
Series
E Hybrid Stepper Motors
Frame size
NEMA 34
Holding torque
344 oz-in
Current
8.4 A per phase
Resistance
0.13 Ω per phase
Inductance
1.1 mH
Thermal resistance
3.9 °C/Watt
Weight
3.2 lb

Questions and answers

What drive does the E31NRHB-LNN-NS-00 need?
It needs a current-controlled stepper drive rated for at least 8.4 A per phase. Its 0.13 Ω resistance is too low for simple voltage-mode drivers.
Is it a direct replacement for a standard NEMA 34 stepper?
The NEMA 34 frame bolts to the same mounts, but check your drive's current rating and supply voltage. Most generic NEMA 34 motors draw far less current.
Does it come with a cable or encoder?
No. It is a bare motor; leads, connectors and any encoder are supplied by the integrator.
What is the holding torque?
344 oz-in, roughly 2.4 Nm, with 8.4 A per phase applied.
How much heat does it produce?
Thermal resistance is 3.9 °C/W, so at full current the winding runs hot. Mount it to a metal surface and allow airflow.
What is the step angle?
The listed specifications do not state it. Confirm the step angle with Kollmorgen before designing around it.
Where is the E31NRHB-LNN-NS-00 cheapest?
At Servo Supplier, for $1,924.97, as of our latest check.

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