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Home / Products / Electric Motors / Electric Motor Controls / SM Series Sub-Micro AC Inverters

SM Series Sub-Micro AC Inverters

Leeson

The right drive for simple speed control applications not requiring the advanced functionality of the SM Plus Series. The SM drive, applied with a LEESON motor now offers a cost advantage over most PMDC motor/drive combinations; and is a superior alternative to reversing devices, soft-starters, or instead of multi-speed motors. Like all LEESON Sub-Micro Drives, the SM utilizes the innovative Electronic Programming Module for fast, error free drive configuration. Also with over 50 programmable functions, the SM has 11 isolated I/O terminals and a programmable Form A relay for status indication.
 
Key Features:
• Removable electronic programming module allows off-line setup and program replication.
• Input line voltage calibration – optimizes over and under voltage trip levels.
• Current limit to 180% with frequency foldback
• Adjustable carrier frequency (4 to 10 kHz)
• Adjustable V/Hz
• Output frequency to 240 Hz
• Seven preset speeds
• Automatic restart after fault
• Control via drive face, terminal strip or optional remote keypad
• Coast or ramp to stop
• Independent Accel and Decel adjustment
• Forward only or forward and reverse direction
• Adjustable DC injection braking
• Speed reference: Keypad, 1-10 VDC, or 4-20 mA
• Speed reference calibration
• I2t motor thermal overload protection; meets UL requirements for motor protection in single motor applications.
• Fixed boost for high starting torque
• Accel boost for high torque accelerating at any speed
• Three-digit LED display
• Password protection
• Fault history: Stores eight previous trips
• Terminal status indication
• Default parameter reset
• IP20 enclosure with finger safe terminals