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> Ac tech 20HP variable speed drive M14200B 480V 3P 31A
Ac tech 20HP variable speed drive M14200B 480V 3P 31A
20 HP 480/400V THREE PHASE 27/31 OUTPUT AMP NEMA 1 MC DRIVE AC TECH, # M14200B
MC Series Drive Features: Input Voltage Calibration: automatically or manually optimizes over and under voltage trip levels, Anti-stall, frequency foldback: current limit to 180% for 30 seconds, 150% for one minute, Thermal overload: Inverse l2t motor thermal protection, Four present speeds, Two critical frequency avoidance ranges: with adjustable badnwith, Independent accel and decel, DC Injection braking timed or continuous on starting or stopping with programmable maximum load level, Dynamic brake enable/disable (dynamic braking requires option card), Base frequency adjustment to calibrate V/Hz to motor requirements with constant or variable torque curves, Low frequency voltage boost for high starting torque, Adjustable carrier frequency for quiet and efficient motor operation (2.5 to 14 kHz), Automatic restarting after fault for unattended applications, Coast or ramp stopping, Auto and manual mode enable/disable, Units display calibration adn decimal point adjustment, Load meter calibration, Adjustable contrast setting for easy viewing of display from any angle, Two analog inputs: 0-10 V and 4-20mA with software adjustable filter for external noise reduction, Speed reference selection: keypad or analog input, Speed reference calibration, Speed indicating output signal selection: 0-10 VDC or 4-20 mA, Speed indicating output signal calbration, Load indicating output signal selection: 0-10 VDC or 4-20 mA, Load indicating output signal calibration, Four programmable terminal for speed reference and control activation, Programmable terminal for external trip activation or manual reset, Serial communications enable/disable, Serial Communications address: 1-247, Password protection: enable/disable and setting (0000-9999), Monitor mode: enable/disable allows viewing of password protected parameter setting, Parameter reset: reset to factory defaults (choice of 50 Hz or 60 Hz factory settings, Fault history: view log of eight previous trips with drive status at time of trip, Fault history reset, Output frequency to 120Hz (Optional to 1000 Hz on M1000).
