8I74T400220.010-1 B & R Automation
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The B & R Automation 8I74T400220.010-1 is part of the 8I7 ACOPOS Inverters series and has a rated power of 2.2 kW with an apparent power of 5.7 kVA. This inverter provides 3 analog inputs, 1 analog output, 6 digital inputs, and 1 digital output. It measures 317 mm in height, 60 mm in width, 245 mm in depth, and weighs 2.32 kilograms.
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Product Description:
The 8I74T400220.010-1 is an inverter module produced by B & R Automation for the 8I7 ACOPOS Inverters series. Within an automation cell, this device converts fixed three-phase mains power into variable voltage and frequency for an induction motor, allowing the drive to adjust torque and speed to match the load. Integrated analog and digital I/O let the unit exchange process values directly with a PLC, so speed loops, interlocks, and fault states can be handled without additional interface hardware.
The drive supplies a rated motor power of 2.2 kW and can deliver a continuous output of 5.5 A. When connected to a 500 VAC supply, the mains side current reaches 6.6 A, and the control stage tolerates up to 8.3 A for 60 seconds during acceleration or overload recovery. Its apparent power capacity is 5.7 kVA, which reflects the combined active and reactive power that the supply must provide. Three analog inputs allow speed references or sensor feedback, one analog output can transmit operating variables such as torque demand, six digital inputs accept enable or limit signals, a single digital output can report ready status, and two relay outputs isolate higher-voltage interlocks for external circuits. An external braking resistor can also be connected to dissipate regenerated energy during deceleration.
Mechanical integration is supported by a power dissipation of 78 W, which affects cabinet ventilation requirements and heat removal inside the enclosure. The braking circuit requires a resistor value of at least 36 Ω to keep the chopper current within its intended operating range during dynamic stopping. Installation space is minimized by a width of 60 mm, a height of 317 mm, and a depth of 245 mm. The unit weighs only 2.320 kg, which makes handling easier during installation.
Frequently Asked Questions about 8I74T400220.010-1:
Q: How many analog inputs are available on the 8I74T400220.010-1 inverter?
A: This device provides three analog input channels for process monitoring or control.
Q: What is the rated power of the 8I74T400220.010-1 model?
A: The rated power output for this inverter is 2.2 kW.
Q: What mains current does the 8I74T400220.010-1 inverter require at 500 Vac?
A: A maximum mains current of 6.6 A is supported when operating at 500 Vac.
Q: What is the minimum brake resistance for the 8I74T400220.010-1 inverter?
A: The minimum allowed brake resistance for this unit is 36 Ω.
Q: How many relay outputs does the 8I74T400220.010-1 provide?
A: There are two relay outputs included for external device control.
