BJ57 - High Torque for Heavy Load
57mm (NEMA 23), 1.8° step, holding torque up to 3.1 N·m. High power, stable holding under wind/load. Designed for outdoor PTZ & speed dome cameras.
BJ42 - Versatile Workhorse
42mm (NEMA 17), 1.8° step, holding torque 200–780 mN·m. Wide current range (0.4–2.0A), low vibration. Ideal for dome & PTZ cameras, balances torque and size.
ABOUT KELI MOTOR
Established in 1992, Keli Motor Group has become one of the leading micro motor manufacturers and exporters in China, products include stepper motor, servo motor, universal motor, BLDC motor, shaded pole motor, pump, and automobile motor, with shaded pole motor ranked No.1 in domestic production and market share. With excellent product quality, Keli motors have been exported to over 30 countries and regions including the United States, Germany, Italy and Spain, and an important partner to global Fortune 500 corporations. Keli products serve a broad range of industries including intelligent household appliance, 3D Printer, intelligent security, industrial robot, industrial automation and new energy. With the advanced technology of control system and high-performance motor, we will build a world-class Chinese national brand of micro motor.
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