Individual Motor Specifications

Model Number RH-U15
Drawing Number list
Environment VC
Motor U15
Pricing RH-U15
NEMA Frame Size 15
Number of Magnetic Stacks 1
Step Angle 1.8
Function

2 phase hybrid

Steps/Revolution 200
Input Current Per Phase (series) (A) 1.0
Input Current Per Phase Parallel (A) 1.8
Inductance per Phase (mh) Ref 2.39
Accuracy Grade (%) 3
Holding Torque (oz-in) Min 17
Dynamic Torque (oz-in) Ref 11
Detent Torque (oz-in) Ref 1.0
Static Torque At Thermal Current {unipolar} (oz-in) 15
Static Torque At Thermal Current {parallel} (oz-in) 17
Static Torque At Thermal Current {series} (oz-in) 18
Thermal Current {unipolar} (A) 1.05
Thermal Current {parallel} (A) 1.48
Thermal Current {series} (A) .75
Single Coil Inductance (mH) 3.50
Single Coil Resistance (ohm) 2.30
Series Inductance (mH) 14.00
Series Resistance (ohm) 4.60
Bearing Type Ball
Bearing Thrust Load (lbs) 5.00
Bearing Radial Load (lbs) 10.00
Bearing End Play (10-3 in) 5.00
Bearing Radial Play (10-3 in) .70
Shaft Radial Play Max .0006
Shaft End Play Max (1) .005
Rotor Inertia (oz-in2) Ref .136
Body Diameter (in) 1.51
Length (L) Max 2.00
Lead Wires (total) 8
Lead Length (in) 12
Weight (lbs) Max 0.7

Options:

Modifications:

  • Keyways
  • Custom Shafts

Speed/Torque (oz-in) Charts

CAD Drawings

Frequently Asked Questions (FAQ) About Radiation Stepper Motor Installations