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High-Performance. Good Price.

Our ElectroCraft RapidPower™ NEMA 17 is a small-sized, high-performance and 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.
Unit of Measure

Specifications

NEMA Frame Size

N/A 17

Maximum Length

N/A 1.60 in40.6 mm

Front Shaft Diameter (A)

N/A 0.1963 in0.1968 in

Front Shaft Length (B)

N/A 0.81 in

Tolerance for Front Shaft Length (B)

N/A ±0.03 in

Pilot Diameter (C)

N/A 0.8648 in0.8660 in

Pilot Length (D) - Reference

N/A 0.08 in

Number of Mounting Holes (E) - Reference

N/A 4

Thread Size for Mounting Hole Pattern (E) - Reference

N/A 4-40

Series Designation for Mounting Hole Pattern (E) - Reference

N/A UNC

Class for Mounting Hole Pattern (E) - Reference

N/A 2B

Minimum Depth for Mounting Hole Pattern (E) - Reference

N/A 0.17 in

Mounting Hole Spacing (F) - Reference

N/A 1.22 in

Flange (G) External Dimension SQ - Reference

N/A 1.65 in

Rear Shaft Diameter (H)

N/A 0.2495 in0.2500 in

Rear Shaft Length (I)

N/A 0.47 in

Tolerance for Rear Shaft Length (I)

N/A ±0.040 in

Single Ended Encoder Length (J) - Reference

N/A 0.35 in

Differential Encoder Length (J) - Reference

N/A 0.55 in

Industry Standards

N/A NEMA

Mechanical/Winding Data

Continuous Stall Torque

N/A 12 oz·in8 N·cm

Peak Torque

N/A 21 oz·in15 N·cm

Motor Constant

N/A 3.50 oz·in/√ Watt2.47 N·m/√ Watt

Electrical Constant

N/A 0.80 ms

Mechanical Constant

N/A 8.50 ms

Rotor Inertia

N/A 0.0008 oz·in·s²56.5 g·cm²

Thermal Resistance

N/A 6.3 ºC/W

Weight

N/A 9.0 oz0.3 kg

Number of Poles

N/A 4

Design Voltage (Winding Models)

Direct Current (DC) Design Voltage for 12V24 & 8V24 Winding Models

N/A 24 V

Direct Current (DC) Design Voltage for 12V48 & 8V48 Winding Models

N/A 48 V

Direct Current (DC) Design Voltage for 12V60 & 8V60 Winding Models

N/A 60 V

Direct Current (DC) Design Voltage for 22V24 & 16V24 Winding Models

N/A 24 V

Direct Current (DC) Design Voltage for 22V48 & 16V48 Winding Models

N/A 48 V

Direct Current (DC) Design Voltage for 22V60 & 16V60 Winding Models

N/A 60 V

Direct Current (DC) Design Voltage for 36V24 & 25V24 Winding Models

N/A 24 V

Direct Current (DC) Design Voltage for 36V48 & 25V48 Winding Models

N/A 48 V

Direct Current (DC) Design Voltage for 36V60 & 25V60 Winding Models

N/A 60 V

Direct Current (DC) Design Voltage for 45V24 & 32V24 Winding Models

N/A 24 V

Direct Current (DC) Design Voltage for 45V48 & 32V48 Winding Models

N/A 48 V

Direct Current (DC) Design Voltage for 45V60 & 32V60 Winding Models

N/A 60 V

Continuous Current (Winding Models)

Continuous Current for 12V24 & 8V24 Winding Models

N/A 4.2 A

Continuous Current for 12V48 & 8V48 Winding Models

N/A 2.1 A

Continuous Current for 12V60 & 8V60 Winding Models

N/A 1.7 A

Continuous Current for 22V24 & 16V24 Winding Models

N/A 3.6 A

Continuous Current for 22V48 & 16V48 Winding Models

N/A 1.8 A

Continuous Current for 22V60 & 16V60 Winding Models

N/A 1.4 A

Continuous Current for 36V24 & 25V24 Winding Models

N/A 3.7 A

Continuous Current for 36V48 & 25V48 Winding Models

N/A 1.9 A

Continuous Current for 36V60 & 25V60 Winding Models

N/A 1.5 A

Continuous Current for 45V24 & 32V24 Winding Models

N/A 3.6 A

Continuous Current for 45V48 & 32V48 Winding Models

N/A 1.8 A

Continuous Current for 45V60 & 32V60 Winding Models

N/A 1.4 A

Peak Current (Winding Models)

Peak Current for 12V24 & 8V24 Winding Models

N/A 7.6 A

Peak Current for 12V48 & 8V48 Winding Models

N/A 3.8 A

Peak Current for 12V60 & 8V60 Winding Models

N/A 3.0 A

Peak Current for 22V24 & 16V24 Winding Models

N/A 9.9 A

Peak Current for 22V48 & 16V48 Winding Models

N/A 4.9 A

Peak Current for 22V60 & 16V60 Winding Models

N/A 3.9 A

Peak Current for 36V24 & 25V24 Winding Models

N/A 10.4 A

Peak Current for 36V48 & 25V48 Winding Models

N/A 5.2 A

Peak Current for 36V60 & 25V60 Winding Models

N/A 4.2 A

Peak Current for 45V24 & 32V24 Winding Models

N/A 10.9 A

Peak Current for 45V48 & 32V48 Winding Models

N/A 5.5 A

Peak Current for 45V60 & 32V60 Winding Models

N/A 4.4 A

Voltage Constant (Winding Models)

Direct Current (DC) Voltage Constant for 12V24 & 8V24 Winding Models

N/A 2.1 V/krpm

Direct Current (DC) Voltage Constant for 12V48 & 8V48 Winding Models

N/A 4.2 V/krpm

Direct Current (DC) Voltage Constant for 12V60 & 8V60 Winding Models

N/A 5.3 V/krpm

Direct Current (DC) Voltage Constant for 22V24 & 16V24 Winding Models

N/A 4.5 V/krpm

Direct Current (DC) Voltage Constant for 22V48 & 16V48 Winding Models

N/A 9.0 V/krpm

Direct Current (DC) Voltage Constant for 22V60 & 16V60 Winding Models

N/A 11.3 V/krpm

Direct Current (DC) Voltage Constant for 36V24 & 25V24 Winding Models

N/A 7.1 V/krpm

Direct Current (DC) Voltage Constant for 36V48 & 25V48 Winding Models

N/A 14.2 V/krpm

Direct Current (DC) Voltage Constant for 36V60 & 25V60 Winding Models

N/A 17.8 V/krpm

Direct Current (DC) Voltage Constant for 45V24 & 32V24 Winding Models

N/A 9.2 V/krpm

Direct Current (DC) Voltage Constant for 45V48 & 32V48 Winding Models

N/A 18.4 V/krpm

Direct Current (DC) Voltage Constant for 45V60 & 32V60 Winding Models

N/A 23.0 V/krpm

Tolerance for Voltage Constant

N/A ±10 %

Torque Constant (Winding Models)

Torque Constant for 12V24 & 8V24 Winding Models

N/A 2.8 in·oz/A1.977 N·cm/A

Torque Constant for 12V48 & 8V48 Winding Models

N/A 5.7 in·oz/A4.025 N·cm/A

Torque Constant for 12V60 & 8V60 Winding Models

N/A 7.2 in·oz/A5.084 N·cm/A

Torque Constant for 22V24 & 16V24 Winding Models

N/A 6.1 in·oz/A4.308 N·cm/A

Torque Constant for 22V48 & 16V48 Winding Models

N/A 12.2 in·oz/A8.615 N·cm/A

Torque Constant for 22V60 & 16V60 Winding Models

N/A 15.2 in·oz/A10.734 N·cm/A

Torque Constant for 36V24 & 25V24 Winding Models

N/A 9.6 in·oz/A6.779 N·cm/A

Torque Constant for 36V48 & 25V48 Winding Models

N/A 19.2 in·oz/A13.558 N·cm/A

Torque Constant for 36V60 & 25V60 Winding Models

N/A 24.1 in·oz/A17.018 N·cm/A

Torque Constant for 45V24 & 32V24 Winding Models

N/A 12.4 in·oz/A8.756 N·cm/A

Torque Constant for 45V48 & 32V48 Winding Models

N/A 24.9 in·oz/A17.583 N·cm/A

Torque Constant for 45V60 & 32V60 Winding Models

N/A 31.1 in·oz/A21.961 N·cm/A

Tolerance for Torque Constant

N/A ±10 %

Resistance (Winding Models)

Resistance for 12V24 & 8V24 Winding Models

N/A 0.7 Ohms

Resistance for 12V48 & 8V48 Winding Models

N/A 2.5 Ohms

Resistance for 12V60 & 8V60 Winding Models

N/A 4.0 Ohms

Resistance for 22V24 & 16V24 Winding Models

N/A 1.1 Ohms

Resistance for 22V48 & 16V48 Winding Models

N/A 4.4 Ohms

Resistance for 22V60 & 16V60 Winding Models

N/A 5.5 Ohms

Resistance for 36V24 & 25V24 Winding Models

N/A 1.3 Ohms

Resistance for 36V48 & 25V48 Winding Models

N/A 4.8 Ohms

Resistance for 36V60 & 25V60 Winding Models

N/A 7.2 Ohms

Resistance for 45V24 & 32V24 Winding Models

N/A 1.9 Ohms

Resistance for 45V48 & 32V48 Winding Models

N/A 7.6 Ohms

Resistance for 45V60 & 32V60 Winding Models

N/A 11.4 Ohms

Tolerance for Resistance

N/A ±10 %

Inductance (Winding Models)

Inductance for 12V24 & 8V24 Winding Models

N/A 0.5 mH

Inductance for 12V48 & 8V48 Winding Models

N/A 2.0 mH

Inductance for 12V60 & 8V60 Winding Models

N/A 3.0 mH

Inductance for 22V24 & 16V24 Winding Models

N/A 1.2 mH

Inductance for 22V48 & 16V48 Winding Models

N/A 4.8 mH

Inductance for 22V60 & 16V60 Winding Models

N/A 6.2 mH

Inductance for 36V24 & 25V24 Winding Models

N/A 1.4 mH

Inductance for 36V48 & 25V48 Winding Models

N/A 5.0 mH

Inductance for 36V60 & 25V60 Winding Models

N/A 7.5 mH

Inductance for 45V24 & 32V24 Winding Models

N/A 2.3 mH

Inductance for 45V48 & 32V48 Winding Models

N/A 9.2 mH

Inductance for 45V60 & 32V60 Winding Models

N/A 14.0 mH

Tolerance for Inductance

N/A ±10 %