RP23 : RapidPower™ BLDC Motor
Size: Nema 23
Peak Torque: to 190 oz-in or 134 Ncm



High-Performance. Good Price.
Our RapidPower Nema 23 is a high-performance, high-speed brushless motor with ball-bearing construction, dynamically balanced rotors, and low audible and magnetic noise. It does not include brushes or a commutator. It is compatible with all three-phase brushless DC motor amplifiers.

RP23 Speed / Torque Curves

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RP23 Mechanical / Winding Data

Stack Size Models RP23 - 26 RP23 - 34 RP23 - 54 RP23 - 73
Continuous Stall Torque (oz-in) 26 34 54 73
Continuous Stall Torque (Ncm) 18.36 24.01 38.13 51.55
Peak Torque (oz-in) 50 80 150 190
Peak Torque (Ncm) 35.30 56.49 105.92 134.16
Motor Constant (oz-in / Watt) 4.50 6.60 9.20 15.00
Electrical Constant (msec) 1.24 1.30 1.54 1.62
Mechanical Constant (msec) 9.06 9.21 6.24 5.41
Rotor Inertia (oz-in-sec2) 0.0015 0.0029 0.0047 0.0072
Rotor Inertia (gm-cm2) 105.9 204.8 331.9 508.5
Thermal Resistance (C / Watts) 3.2 3.0 2.8 2.7
Weight (oz) 15.0 21.0 54.0 47.0
Weight (Kg) 0.4 0.6 1.5 1.3
Length (inches) 1.6 2.0 3.0 4.0
Length (cm) 4.1 5.1 7.6 10.2
Number of Poles 4 4 4 4

Winding Models 26V12 26V24 26V48 26V90 34V12 34V24 34V48 34V160 54V12 54V24 54V48 54V160 73V24 73V48 73V90 73V160
Design Voltage
(VDC)
12 24 48 90 12 24 48 160 12 24 48 160 24 48 90 160
Continuous Current
(Amps)
5.3 4.6 2.6 1.6 8.6 4.5 2.5 1.1 8.7 5.7 4.2 1.5 8.3 4.7 3.1 1.9
Peak Current
(Amps)
11.0 9.0 6.5 3.5 17.5 10.0 7.0 2.6 15.9 18.5 11.1 4.2 25.3 14.4 8.5 5.4
Voltage Constant
±10%
(VDC/kRPM)
3.4 4.2 6.7 11.3 3.0 5.5 9.6 22.9 4.9 6.5 10.0 26.7 6.7 11.2 18.0 28.1
Torque Constant
±10%
(oz-in / Amp)
4.6 5.7 9.1 15.2 4.1 7.5 13.0 30.9 6.6 8.8 13.5 36.1 9.0 15.1 24.3 38.0
Torque Constant
±10%
(Ncm / Amp)
0.325 0.403 0.643 1.073 0.290 0.530 0.918 2.182 0.466 0.621 0.953 2.549 0.636 1.066 1.716 2.683
Resistance
±10%
(Ohms)
0.1 1.5 3.5 9.2 0.4 1.3 4.0 21.0 0.4 0.9 1.6 12.5 0.4 1.3 3.0 7.9
Inductance
±10%
(mH)
1.1 1.8 4.6 11.3 0.5 1.8 4.5 25.0 0.6 1.3 2.4 18.0 0.7 2.0 4.3 14.5

RP23 Outline Drawing

drawing_rp23.gif

RP23 Commutation Sequence

hall diagram