8I74T400150.01P-1 B & R Automation
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The B & R Automation 8I74T400150.01P-1 is an inverter from the 8I7 ACOPOS Inverters series, offering a motor power of 1.5 kW and a nominal output current of 4.1 A. The unit features 6 digital inputs, 3 analog inputs, and a nominal clock frequency of 4 kHz. It has an apparent power rating of 4.2 kVA at 500 Vac and weighs 1.705 kg.
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Product Description:
The 8I74T400150.01P-1 inverter belongs to the 8I7 ACOPOS Inverters series and is manufactured by B&R Automation. This unit serves as a pulse-width-modulated power stage that links a 380–500 VAC mains supply to a synchronous or induction motor, allowing machine controllers to vary torque and speed without mechanical gear changes. Within an automation cell, it interfaces with higher-level PLCs and supplies regulated three-phase output to 1.5 kW motors, supporting compact conveyor axes, packaging spindles, and small handling robots.
At 500 VAC, the drive provides an apparent power of 4.2 kVA, leaving headroom for overload events. When connected to a 380 VAC network, the continuous mains current is 6.5 A, and the converter delivers a nominal motor phase current of 4.1 A. Short overloads are supported because the current can rise to 6.8 A for two seconds or remain at 6.2 A for one minute before thermal limits are reached. The internal control loop operates at a nominal clock frequency of 4 kHz, so the current regulation bandwidth remains adequate for dynamic positioning tasks. The maximum short-circuit rating is 5 kA, which assists with the selection of suitable protective fuses for fault clearing.
The control electronics draw 1.1 A from an auxiliary 24 VDC supply, and three analog inputs accept speed or torque commands as voltage or current references. Six digital inputs handle binary control functions, while input 5 supports encoder emulation or fast capture at 20 kHz. During power-up, the rectifier can reach an inrush current of 10 A. Continuous power loss inside the module is limited to 63 W, helping keep cabinet ventilation requirements moderate. Regenerative braking energy can be directed to an external resistor with a minimum resistance of 54 Ω. The assembly has a mass of 1.705 kg, making it suitable for DIN-rail or backplate mounting in decentralized control panels.
