Features 1、COMPACT AND PRACTICAL: Direct current motor speed controller has the advantages of small size, wide speed range and good mechanical characteristics, you can use with confidence 2、INTEGRATED DESIGN: Electronic governor has direct current voltage direct start, and brush, brushless direct current motor, micro gear reducer speed sensor and composed of mechatronics products 3、APPLICABLE MODEL: The variable speed controller is suitable for 550 775 795 895 motors, meet can be used, very versatile, provide great convenience 4、TECHNICAL PARAMETERS: Output motor control switch output current for 20A, continuous current 12A, input voltage 12‑60V, output voltage 0 to input voltage, pulse width control frequency for 15Khz 5、STABLE AND RELIABLE: direct current motor speed controller is very convenient to install within minutes, possess stable working performance with high efficiency Specification Item Type: Direct Current Motor Speed Controller Model: MSDC-B Output Current: 20A Continuous Current: 12A Input Voltage: Direct current 12-60V Output Voltage: 0 to input voltage Pulse Width Control Frequency: 15Khz Package List 1 x Motor Speed Controller