The Allen-Bradley 20F1AND302AA0NNNNN is part of the PowerFlex 753 Adjustable Frequency AC drives series. It operates on a 480VAC, 3-phase supply input and outputs the same voltage with an output current of 302A. It delivers 250 HP in Normal Duty (ND) and 200 HP in Heavy Duty (HD) settings. This drive features an open-type enclosure and belongs to the Frame 7 class, lacking a Human Interface Module (HIM).
This drive supports Vector Control with FORCE Technology, both with and without an encoder, as well as Sensorless Vector Control and Volts per Hertz control methods. It comes equipped with discrete input/output, analog input/output, and PTC input channels, enabling it to accept external signals for remote control via hardwiring to its I/O terminals. Communication options are available for direct integration into control systems using protocols such as Ethernet, ControlNet, ProfiBus, Modbus, and HVAC protocols like CanOpen, BACnet, and Metasys, among others.
The drive has an input voltage range tolerance of +/- 10% at 47 to 63 Hertz and a displacement power factor of 0.98, with an efficiency of 97.5%. The recommended drive-to-motor power ratio is 2:1, and it features an IGBT brake rating of 100% of the motor's rated torque. It also offers overvoltage and undervoltage protection, a programmable current limit up to 200% of the rated load, and a maximum short-circuit rating of 200,000 Amps. It provides transient protection up to 6000 Volts and features ground fault and phase-to-phase protection with a removable Metal Oxide Varistor. The control logic can endure up to 2 seconds of power outages.
The drive provides motor control through sensorless vector control, vector control with FORCE technology, and standard volt per hertz control, with output voltage selectable between 0 and the rated motor voltage and a control frequency range of 0 to 400 Hertz. It offers 0.1% speed control over a 120:1 speed range and a programmable torque control range of ±5%. The drive has two programmable acceleration and deceleration times, adjustable from 0 to 3600 seconds in 0.1-second increments. It has an overload capacity of 115% for 1 minute and a current limit capacity ranging from 20% to 160%. Class 10 motor protection is provided using the I2T algorithm.
The drive operates within a temperature range of 32 to 122 degrees Fahrenheit at a non-condensing relative humidity of 5 to 95%, and has a storage range from -40 to 70 degrees Celsius (-40 to 158 degrees Fahrenheit). It weighs approximately 96 kilograms without the enclosure and measures 881.4 x 430.0 x 349.5 millimeters.
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