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Automotive Water Valve Motor 25BY46

Product Introduction
Automotive: Thermal management systems
The rotor of the Leili PM stepping motor uses permanent magnetic materials. The PM stepping motor’s continuous operation follows the principle that the same poles repel and different poles attract between the rotor and the stator. It is generally an inner rotor type motor, and the N and S poles are evenly distributed on the outer surface of the cylindrical rotor (The outer surface is toothless). PM stepping motors are usually two-phase, with small torque and volume.
Automotive: Thermal management systems
Optional parts
Warm reminder:
The following product parameters are standard products, our company can do product design, development and production according to the special needs of customers. For more information, please contact marketing@leiligroup.com.


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  • Auto parts 

  • 25 

  • 15 

  • 12 

  • 0-30 

  • 0-50 

Performance parameter

motor model Step angle Excitation method Drive way Voltage Current / phase Coil resistance / phase Self-positioning torque Self-positioning torque Holding torque noise Working temperature
(°) (VDC) (mA) (Ω) (mN.m) (mN·m) (Ω) (A) (℃)
25BY46-285 15 2-2 Bipolar 12 300 17.5 3 ≥ 15 1max ≤ 40 -30 ~ 90
25BY46-304 Phase Bipolar 420 9.8

(No strange sound)

Mechanical dimension

Automotive Water Valve Motor 25BY46


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