8I66T400075.0P-000 B & R Automation
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The B & R Automation 8I66T400075.0P-000 is part of the 8I6 ACOPOS Inverters series and features a rated power of 0.75 kW with a 3-phase input. This inverter has a 10-bit analog resolution, an analog sampling time of 2 ms, and a digital input response time of 8 ms. Measuring 142 mm in height, 105 mm in width, and weighing 1.2 kilograms, it offers a compact and lightweight solution.
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Product Description:
The 8I66T400075.0P-000 inverter is produced by B & R Automation and belongs to the 8I6 ACOPOS Inverters series. It operates as a variable-speed drive for small three-phase motors by supplying regulated voltage and frequency to the connected load. This control allows automated equipment to match motor torque to process demand while the controller supervises operation through the inverter’s integrated I/O resources.
The power stage is rated at 0.75 kW, supporting fractional-horsepower pumps, fans, and indexing axes. A three-phase mains input feeds the converter, allowing it to draw balanced current from industrial power supplies. The analog interface digitizes feedback with a 10-bit converter and refreshes it every 2 ms. An Ai1 impedance of 30 kΩ prevents the drive from placing an excessive load on low-power sensors. A 10 V reference channel can supply 10 mA to excite potentiometers. Safety monitoring uses an STO input with an impedance of 1.5 kΩ for connection to upstream relays. The digital input response time is 8 ms, allowing discrete stop commands to be captured promptly. The maximum digital output current is 100 mA, which is sufficient for small contactors or indicator lamps.
The housing has a depth of 158 mm, a width of 105 mm, and a height of 142 mm, allowing the unit to fit inside shallow control cabinets. Its total mass is 1.2 kg, which eases DIN rail mounting and reduces cantilever forces on slender panels. A mounting pattern measuring 118 mm by 93 mm positions the fixing points for installation. The shield plate extends to a height of 188 mm, helping route grounded wiring away from signal conductors. The compact footprint allows the inverter to be installed beside PLC slices while preserving space around the high-frequency switching components. Proper cabinet spacing also supports airflow around the housing and provides access to the wiring connections during installation and routine inspection.
