8I74T400075.010-1 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The B & R Automation 8I74T400075.010-1 is a 0.75 kW inverter from the 8I7 ACOPOS Inverters series, offering a nominal output current of 2.3 Amps and a maximum apparent power of 2.3 kVA. It features 3 analog inputs, 6 digital inputs, and an integrated EMC filter with an IP20 protection rating. The inverter weighs 1.715 kg and supports a maximum installation elevation of 2000 meters.
Internal Product Review
The 8I74T400075.010-1 is a B & R Automation 8I7 ACOPOS inverter that delivers capable drive performance with 0.75 kW motor power and 2.3 A nominal output current. Integrated EMC filtering and IP20 protection support clean cabinet integration and dependable operation in controlled industrial settings. POWERLINK Type 2 connectivity makes this inverter a strong choice for responsive motion control systems.
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Product Description:
The 8I74T400075.010-1 is an AC inverter unit from the 8I7 ACOPOS Inverters series engineered by B & R Automation. It converts three-phase line power into a variable-frequency, variable-voltage output so that connected induction motors can be accelerated, decelerated, or held at precise speeds within automated machinery lines. Within an automation cell it replaces mechanical speed control elements with electronic regulation.
The drive supplies 0.75 kW (1 hp) of mechanical power to the motor shaft when operated at rated conditions. In addition, a maximum apparent power of 2.3 kVA must be provided by the mains, and the output stage delivers 2.3 A RMS to the motor windings. Three analog inputs and six digital inputs permit set-point, enable, and limit signals to reach the control logic. An integrated EMC filter attenuates conducted emissions so external line filters are unnecessary in most panels. Environmental protection is limited to IP20, so the module is intended for sheltered cabinet installation up to the series altitude limit of 2000 m. The internal PWM clock is fixed at 4 kHz, and deterministic fieldbus communication is implemented through POWERLINK Type 2 interfaces.
During power-up the inrush current is limited to 10 A, preventing nuisance trips of upstream protection. Once running, the electronics dissipate 37 W, a figure that guides cabinet ventilation calculations. For fault containment the unit carries a short-circuit withstand rating of 5 kA and requires a brake resistor of at least 80 Ω to absorb regenerative energy. Shielded motor cabling can be extended to 50 m without violating voltage rise limits, while POWERLINK runs share the same grounding concept. The inverter weighs 1.715 kg, simplifying rail mounting in compact enclosures.
