8B0M0040HW00.000-1 B & R Automation
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The B & R Automation 8B0M0040HW00.000-1 is a power supply from the 8B0 ACOPOS Multi Power Supplies series and has a weight of 2.12 kilograms. It delivers a DC bus continuous power of 200 kW with a nominal voltage of 750 VDC, and an auxiliary supply power of 1500 W at 25 VDC. The unit features IP20 protection, measures 385 mm in height and 217.5 mm in width, and supports up to 4 slots.
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Product Description:
The 8B0M0040HW00.000-1 power supply module is manufactured by B & R Automation and belongs to the 8B0 ACOPOS Multi Power Supplies series. Designed for cabinet-mounted multi-axis drive assemblies, the unit generates a high-energy DC link and a regulated auxiliary rail so that multiple inverters can share a common supply. In an automation cell, this arrangement cuts wiring, minimizes losses, and permits coordinated regenerative braking while keeping the control electronics active through its 24 V service bus.
It maintains a DC bus at 750 VDC; at this potential, the internal conductors continuously transfer up to 200 kW to connected servo drives. A separate auxiliary stage delivers 1500 W at 25 VDC ±1.6% for I/O, encoder, and brake feeds. The housing provides 4 slots for plug-in axis modules, and each slot is limited to 8.25 W of dissipation so the thermal load stays within limits. Its 135 mm overall depth permits dense side-by-side mounting. Three replaceable fan modules force air through the chassis and keep active components below their temperature limits. The assembly can be installed at elevations up to 4000 m without derating.
Power conductors are accommodated by a DC bus rail with a cross-section of 72 mm², while the protective-earth bar matches that area and the 24 V service line uses 21.3 mm². These dimensions keep current density low and reduce temperature rise during full-load transfer. The enclosure spans 217.5 mm in width and 385 mm in height, yet it weighs just 2.12 kg, which eases panel layout. The enclosure is rated IP20, making the unit suitable for closed electrical cabinets with controlled airflow. Separate paths for the DC bus, protective earth, and service supply help keep high-current and auxiliary connections organized inside the cabinet.
