Product Review

This is the most popular Nema 17 model. It with 1.8 deg. step angle (200 steps/revolution). Each phase draws current 0.4A at 12V, allowing for a holding torque of 26Ncm(36.8oz.in).

Electrical Specification:
* Manufacturer Part Number: 17HS13-0404S1
* Motor Type: Bipolar Stepper
* Step Angle: 1.8 deg.
* Holding Torque: 26Ncm(36.8oz.in)
* Rated Current/phase: 0.4A
* Phase Resistance: 30ohms
* Inductance: 37mH+/-20%(1KHz)

Physical Specification:
* Frame Size: 42 x 42mm* Body Length: 34mm
* Shaft Diameter: 5mm
* Front Shaft Length: 20mm
* D-cut Length: 15mm
* Number of Leads: 4
* Lead Length: 1000mm
* Weight: 230g Connection: Black(A+), Green(A-), Red(B+), Blue(B-)

Warning: Make sure the motor connect to a constant current or chopper drive controller before you test motor. Connecting the motor directly to a power supply will destroy the motor.