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Oriental MotorOfficial Distributor

By Oriental Motor

SKU

3.54 in. (90 mm) Closed Loop Stepper Motor

The AR Series stepper motor adopts our AlphaStep technology closed loop control so the motor does not lose synchronism even when subjected to abrupt load fluctuation or acceleration. Requires AlphaStep AR Series (DC Input) Driver.

  • Driver sold separately
  • Designed for continuous operation
  • Lower heat generation
  • Low vibration
  • High response
  • No hunting
  • No gain tuning
*Connection Cables required (sold separately)
Technical Specifications

Motor TypeClosed Loop
Frame Size3.54 in
Motor Length8.09 in.
Driver Voltage Input PowerDC
Holding Torque5120 oz-in
Shaft/Gear TypeHarmonic Gear
Gear Ratio (X:1)100 :1
Lost Motion1.5 arc min (max.)
ShaftSingle
Electromagnetic BrakeEquipped
Resolution (Resolution Setting: 1000 P/R)0.0036 °/Pulse
Permissible Speed Range (r/min)0 ~ 20
Rotor Inertia7.8 oz-in²
RoHS CompliantThese products do not contain substances that exceed the regulation values in the RoHS Directive.
Safety StandardsUL
CE MarkingEMC Directives
Insulation ClassClass B [130ºC (266ºF)]

Insulation resistance100 MΩ or more when 500 VDC megger is applied between the following places:Case - Motor and sensor windingsCase - Electromagnetic brake windings
Dielectric strengthSufficient to withstand the following for 1 minute:Case - Motor and sensor windings 1.0 kVAC 50 Hz or 60 HzCase - Electromagnetic brake windings 1.0 kVAC 50 Hz or 60 Hz
Ambient Temperature0 ~ 40ºC (32 ~ 104ºF) (non-freezing) (when a heat sink of a capacity at least equivalent to an aluminum plate with a size of 3.94 x 3.94 in., 0.24 in. thick is installed.)
Ambient Humidity85% or less (Non-condensing)
Operating AtmosphereNo corrosive gases, dust water or oil
Degree of ProtectionIP65 (excluding the mounting surface and connector)
Stop Position Accuracy±4 arc minutes (±0.067º)
Shaft Runout0.05 mm (0.002 in.) T.I.R.
Concentricity0.075 mm (0.003 in.) T.I.R.
Perpendicularity0.075 mm (0.003 in.) T.I.R.
Permissible Overhung Load0 in. from Shaft End = 240 lb
Permissible Thrust Load290 lb
Brake TypeActive when the power is off
Brake Power Supply24 VDC±5%, 0.3A
Power consumption6W
Excitation Current0.25A

Why Proax for Oriental Motor ARM98MK-H100?

Proax is the authorized distributor of Oriental Motor ARM98MK-H100. Our highly skilled in-house technical team is ready to assist with any technical needs.

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Additional Information

Alternate NamesARM98MKH100
Pack Size1
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