1.With synchronous self-locking function, such gear motor supports low noise, low current and no spark. 2.Moreover, such kind of worm gear motor can be applicated in pumps, surgical tools, mixers, centrifuges, electric valves, actuators, instruments. 3.Durable material makes the motor support over current protection and over voltage protection. 4.Via precision craft by many experts, such a worm gear motor is entitled with high performance according to strict rule. 5.No extral step is required when you use such speed reduction motor and the operation is simple. Item Type: Motor_x000D_ Model: A58SW-42BY_x000D_ Specification_x000D_ Efficiency: IE 2_x000D_ Continuous Current (A): 1.5A_x000D_ Protection Function: Fully enclosed_x000D_ Type: Gear motor_x000D_ Construction: Permanent magnet_x000D_ For Torque: 5.5kg.cm_x000D_ Motor Size: Approx. 42 x 42 x 48mm / 1.65 x 1.65 x 1.89in_x000D_ Technical Index_x000D_ Standard Operating Conditions_x000D_ Rated Voltage: 12v, 24v_x000D_ Direction of Rotation: Clockwise when viewed from the output shaft side_x000D_ Measurement Conditions:_x000D_ Motor Position: Placed horizontally while measuring_x000D_ Power Supply: DC power supply_x000D_ Reduction Ratio: 1/17, 1/32, 1/50_x000D_ Working Temperature and Humidity: Temperature Range: -10 ~ + 50 , Humidity Range: 30% ~ 80%._x000D_ Storage Temperature: Temperature Range: -20 ~ + 60 1 x Worm Gear Motor