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High torque density. Excellent torque per frame size performance.

New from ElectroCraft, the RPX32 is a highly dynamic and controllable very small frame metric motor. With an advanced 8-pole encapsulated core, this compact DC motor offers high torque density at a very affordable price. The RPX32 is available in 12 V, 24 V and 48 V versions and like all ElectroCraft motors is fully customizable, with radiation tolerant, high temperature and high altitude versions available on request. Available with a range of IP ratings up to IP65, this versatile motor is highly energy efficient and ideal for embedded applications.
Unit of Measure

Specifications

Size

 N/A 32 mm

Tolerance for Voltage Constant

 N/A ±10 %

Mechanical/Winding Data

Continuous Stall Torque1 N/A 150 mN·m21 oz·in

Peak Torque

 N/A 438 mN·m62.0 oz·in

Motor Constant

 N/A 35.31 mN·m/√ Watt5.0 oz·in/√ Watt

Electrical Time Constant

 N/A 0.62 ms

Mechanical Time Constant

 N/A 1.15 ms

Thermal Time Constant

 N/A 480 ms

Rotor Inertia

 N/A 11.1 g·cm²0.0607 oz-in2

Thermal Resistance

 N/A 4.1 ºC/W

Weight

 N/A 9.10 oz258 g

Length

 N/A 2.90 in73.7 mm

Number of Poles

 N/A 8

Design Voltage (Winding Models)

Direct Current (DC) Design Voltage for 90V12 Winding Models

 N/A 12 V

Direct Current (DC) Design Voltage for 90V24 Winding Models

 N/A 24 V

Direct Current (DC) Design Voltage for 90V48 Winding Models

 N/A 48 V

Direct Current (DC) Design Voltage for 150V12 Winding Models

 N/A 12 V

Direct Current (DC) Design Voltage for 150V24 Winding Models

 N/A 24 V

Direct Current (DC) Design Voltage for 150V48 Winding Models

 N/A 48 V

Continuous Stall Current (Winding Models)

Continuous Stall Current for 90V12 Winding Models

 N/A 6.5 A

Continuous Stall Current for 90V24 Winding Models

 N/A 4.0 A

Continuous Stall Current for 90V48 Winding Models

 N/A 2.0 A

Continuous Stall Current for 150V12 Winding Models

 N/A 12.0 A

Continuous Stall Current for 150V24 Winding Models

 N/A 6.5 A

Continuous Stall Current for 150V48 Winding Models

 N/A 3.5 A

Peak Current (Winding Models)

Peak Current for 90V12 Winding Models

 N/A 18.0 A

Peak Current for 90V24 Winding Models

 N/A 12.0 A

Peak Current for 90V48 Winding Models

 N/A 8.0 A

Peak Current for 150V12 Winding Models

 N/A 30.0 A

Peak Current for 150V24 Winding Models

 N/A 20.0 A

Peak Current for 150V48 Winding Models

 N/A 11.0 A

Voltage Constant (Winding Models)

Voltage Constant for 90V12 Winding Models

 N/A 0.012 V/rad/s

Voltage Constant for 90V24 Winding Models

 N/A 0.024 V/rad/s

Voltage Constant for 90V48 Winding Models

 N/A 0.048 V/rad/s

Voltage Constant for 150V12 Winding Models

 N/A 0.011 V/rad/s

Voltage Constant for 150V24 Winding Models

 N/A 0.022 V/rad/s

Voltage Constant for 150V48 Winding Models

 N/A 0.045 V/rad/s

Direct Current (DC) Voltage Constant (Winding Models)

Direct Current (DC) Voltage Constant for 90V12 Winding Models

 N/A 1.3 V/krpm

Direct Current (DC) Voltage Constant for 90V24 Winding Models

 N/A 2.5 V/krpm

Direct Current (DC) Voltage Constant for 90V48 Winding Models

 N/A 5 V/krpm

Direct Current (DC) Voltage Constant for 150V12 Winding Models

 N/A 1.2 V/krpm

Direct Current (DC) Voltage Constant for 150V24 Winding Models

 N/A 2.3 V/krpm

Direct Current (DC) Voltage Constant for 150V48 Winding Models

 N/A 4.7 V/krpm

Tolerance for Direct Current (DC) Voltage Constant

 N/A ±10 %

Torque Constant (Winding Models)

Torque Constant for 90V12 Winding Models

 N/A 12.0 mN·m/A1.7 in·oz/A

Torque Constant for 90V24 Winding Models

 N/A 23.3 mN·m/A3.3 in·oz/A

Torque Constant for 90V48 Winding Models

 N/A 48.0 mN·m/A6.8 in·oz/A

Torque Constant for 150V12 Winding Models

 N/A 11.3 mN·m/A1.6 in·oz/A

Torque Constant for 150V24 Winding Models

 N/A 21.9 mN·m/A3.1 in·oz/A

Torque Constant for 150V48 Winding Models

 N/A 44.5 mN·m/A6.3 in·oz/A

Tolerance for Torque Constant

 N/A ±10 %

Resistance (Winding Models)

Resistance for 90V12 Winding Models

 N/A 0.22 Ohms

Resistance for 90V24 Winding Models

 N/A 0.96 Ohms

Resistance for 90V48 Winding Models

 N/A 3.68 Ohms

Resistance for 150V12 Winding Models

 N/A 0.11 Ohms

Resistance for 150V24 Winding Models

 N/A 0.48 Ohms

Resistance for 150V48 Winding Models

 N/A 1.67 Ohms

Tolerance for Resistance

 N/A ±10 %

Inductance (Winding Models)

Inductance for 90V12 Winding Models

 N/A 0.193 mH

Inductance for 90V24 Winding Models

 N/A 0.6 mH

Inductance for 90V48 Winding Models

 N/A 2.3 mH

Inductance for 150V12 Winding Models

 N/A 0.126 mH

Inductance for 150V24 Winding Models

 N/A 0.3 mH

Inductance for 150V48 Winding Models

 N/A 1 mH

Tolerance for Inductance

 N/A ±10 %
  • 1 Continuous rating based on a 25 ºC ambient temperature, winding temperature rise of 100 ºC. Mounted on a 150 x 150 x 6 mm aluminum heat sink.