Multi-speed starters with NEMA type-1 enclosure are designed for the control of two speed squirrel cage motors of either consequent pole or separate winding types. These starters are available for constant horsepower, constant torque or variable torque, three-phase motors. Multi-speed motor starters are commonly used on machine tools, fans, blowers, refrigeration compressors and many other types of equipment. Two manual reset overload relay with 3.7 to 12 A full load current adjustment range. HAND-OFF-AUTO selector switch. Control circuit transformer includes 2 primary fuses and 1 secondary fuse with standard capacity at 60 or 50 Hz.
