8I74T400400.0P-000 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The B & R Automation 8I74T400400.0P-000 is part of the 8I7 ACOPOS Inverters series and features a rated power of 4.0 kW and nominal output current of 9.5 Amps. It includes three analog inputs, six digital inputs, and two relay outputs, with a maximum output frequency of 599 Hz. The inverter operates on a 3-phase system and supports both shielded and unshielded motor cable lengths of up to 50 meters and 100 meters, respectively.
Internal Product Review
The 8I74T400400.0P-000 is a B&R Automation ACOPOS inverter with 4.0 kW rated power and 9.5 A nominal output current. Type 2 POWERLINK support and an integrated EMC filter make networked installation clean and efficient in automated panels. A dynamic brake transistor adds valuable control capability, making the unit a strong choice for responsive drive applications.
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Product Description:
The 8I74T400400.0P-000 is an AC inverter produced by B & R Automation within the 8I7 ACOPOS Inverters series. In industrial automation, it converts fixed-frequency three-phase mains power into variable-frequency and variable-voltage output. This conversion allows connected induction or synchronous motors to operate at the speed and torque required by conveyors, pumps, or positioning axes. Three analog inputs, six digital inputs, two relay outputs, and a Powerlink Type 2 interface connect the inverter to higher-level controllers for commands, feedback, and diagnostics.
The drive delivers up to 4.0 kW of continuous motor output, which supports a matched motor under normal operating conditions. A nominal output current of 9.5 A provides a basis for selecting conductors and planning cabinet ventilation. The output frequency reaches 599 Hz, allowing the drive to supply high-speed spindles at frequencies well above the incoming line frequency. Control electronics operate from a galvanically isolated 24 VDC supply, protecting the logic and I/O circuits from the high-energy DC bus. The power section uses a three-phase mains connection, distributing current across industrial power lines without requiring a neutral conductor.
Dynamic events are supported by a peak current of 15.7 A for two seconds and an overload current of 14.3 A for sixty seconds, providing additional torque during acceleration while limiting thermal stress. A built-in braking transistor works with external resistors rated as low as 36 Ω to absorb regenerated energy and shorten stopping times. Shielded motor cables can be routed up to 50 m, while unshielded motor cables may extend up to 100 m for installations that require longer cable runs. An integrated EMC filter suppresses conducted electrical noise and helps the installation comply with applicable emission requirements. Proper cable routing and grounding help the filter limit interference between the power section, control wiring, and nearby automation equipment.
