The Allen-Bradley 160-AA18NPS1 is a Variable Speed Drive belonging to the 160 SSC series. It operates with a 3-phase power supply rated at 200 to 240 Volts, drawing an input current of 21.1A. Users should incorporate a 30 A fuse on the input side, as this drive produces an 18 A output current and delivers a power output of 3.7 kW or 5HP. Featuring a NEMA 1 Open IP20 enclosure, the 160-AA18NPS1 is designed for preset speed operations. Its output frequency can be programmed between 0 to 240 Hertz, adjustable via a TB3 control terminal block using dry contacts or open collector inputs for SW1, SW2, and SW3. These configurable inputs allow control over eight preset speeds and two acceleration/deceleration times. Additionally, it includes one programmable output with a form C relay contact, boasting resistive ratings of 0.4A at 125 Volts AC, 0.2A at 230 Volts AC, and 2A at 30 Volts DC.
The drive utilizes several control algorithms: PWM, V to Hertz ratio, DC boost, and current limiting. Safety features include an embedded temperature sensor that trips if the heatsink temperature exceeds 95 degrees Celsius, protections against over/under voltage, overcurrent overload set to 150% for 60 seconds or 200% for 30 seconds, faultless ride-through protection for 100 milliseconds, as well as ground short and output short circuit protection. The drive uses fan cooling and has dimensions of 7.58 x 3.62 x 7.61 inches (193 x 92 x 193 millimeters), weighing approximately 5.23 pounds (2.37 kilograms). The drive performs efficiently within a temperature range of 0 to 50 degrees Celsius, with its 92-millimeter width being notably compact considering its power rating.
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