VAU01.1U-024-024-240-NN Bosch Rexroth Indramat
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MPN: R911171024
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The Bosch Rexroth Indramat VAU01.1U-024-024-240-NN is part of the VAU Uninterruptable Power Supplies series and is designed for compatibility with IndraControl V products. It features a nominal input and output voltage of DC 24 V and offers a maximum output power of 240 W. This uninterruptible power supply includes reverse polarity and reverse voltage protection and weighs 3.5 kilograms.
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Product Description:
The VAU01.1U-024-024-240-NN is an uninterruptible power supply built by Bosch Rexroth Indramat for the VAU Uninterruptable Power Supplies series. It is intended to back up 24 V DC control electronics during mains loss, maintaining logic, fieldbus, and memory functions long enough for an orderly shutdown inside IndraControl V automation platforms. Standard construction with a USB interface lets service software query battery status and event data without disconnecting the unit from the DIN rail.
The housing carries a protection class of IP 20, so it is suited for mounting inside a closed control cabinet. Physical dimensions are kept compact with a depth of 132.7 mm and a height of 158.6 mm, simplifying placement next to 24 V power supplies and PLC hardware. On the DC input side, the module can draw up to 12 A; two amperes of that current are routed to the internal charger that tops off the lead-acid battery string. During standby operation, the converter section can return a continuous 240 W to the load, and it does so while regulating around a nominal bus of DC 24 V. These ratings establish the thermal envelope that must be considered when grouping several VAU units on a single rail.
When utility power fails, the UPS can source up to 10 A to field controllers, servo drives, and I/O. Total consumption at full load plus charging never exceeds 288 W, allowing upstream 24 V supplies to be sized appropriately. Energy storage is provided by electrolytic capacitors rated at 5600 µF, giving additional ride-through for sub-second dips. A width of 120 mm and a mass of 3.5 kg support rigid mounting, and the USB port provides access to status information. Reverse-polarity and reverse-voltage protection are integrated, though the design revision 1 unit does not include active short-circuit protection.
Frequently Asked Questions about VAU01.1U-024-024-240-NN:
Q: What is the nominal output voltage of the VAU01.1U-024-024-240-NN?
A: The VAU01.1U-024-024-240-NN provides a nominal output voltage of DC 24 V.
Q: What is the maximum output power supported by the VAU01.1U-024-024-240-NN?
A: This power supply supports a maximum output power of 240 W for continuous operation.
Q: What is the enclosure protection rating for the VAU01.1U-024-024-240-NN?
A: The unit offers an IP20 degree of protection, making it suitable for indoor use where it is protected from solid objects larger than 12.5 mm.
Q: What interface does the VAU01.1U-024-024-240-NN use for connectivity?
A: A USB interface is included for communication and integration with other systems.
Q: Does the VAU01.1U-024-024-240-NN include protection against incorrect voltage or polarity connections?
A: Yes, the VAU01.1U-024-024-240-NN features both reverse polarity and reverse voltage protection.
