$ 0 0 Parameter: Rated voltage :12VDC Number of Pole: 4 Speed Variation Ratio: 1/64 Idle In-traction Frequency: ≥500Hz Idle Out-traction Frequency: ≥800Hz In-traction Torque:>34.8mN.m(100Hz) Self-positioning Tor>30mN.m Insulated resistance :>10MΩ(500V) Insulated electricity power :600VAC/1mA/1s Insulation grade A Rise in Temperature <55K(120Hz) Noise <40dB(120Hz,No load,10cm)  Resources: 28BYJ48 Stepper Motor Specification Price: $3.00 Special Price: $2.55