Allen Bradley 1606-XLSBUFFER24 Power Supply

Product Introduction

The Allen Bradley 1606-XLSBUFFER24 Power Supply is a specialized DC buffer module designed to maintain stable output voltage during short-term power interruptions or fluctuations in industrial systems. As part of the 1606-XLS Performance Power family from Allen-Bradley, this unit is engineered to enhance system reliability by bridging power gaps and protecting sensitive equipment.

Unlike standard power supplies, the 1606-XLSBUFFER24 functions as an energy storage and buffering device, supporting a 24–28.8V DC input and delivering a regulated 22.5–27.8V DC output. With a power rating of 480W and output current up to 20A, it ensures continuity of operation for critical loads during transient power loss conditions.

Its open-style design allows flexible mounting within control cabinets, making it suitable for integration into existing DC power architectures. This module is particularly valuable in applications where even brief power interruptions can lead to system faults or production downtime.

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Product Specifications

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Applications

• Industrial automation systems where power continuity is critical for PLCs, controllers, and communication modules

• Control cabinets and panels requiring buffering against short-term voltage dips or interruptions

• Process industries such as chemical, pharmaceutical, and manufacturing where unexpected shutdowns must be avoided

• Machine control systems needing stable DC supply during transient disturbances

• Sensitive electronic equipment that cannot tolerate even brief power loss conditions

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Advantages

• Effective power buffering capability ensures continuity during short power interruptions

• Wide input voltage compatibility (24–28.8V DC) supports standard industrial DC systems

• Stable regulated output protects sensitive loads from voltage dips

• Compact open-style design allows flexible integration into various panel layouts

• High output capacity (480W / 20A) supports multiple devices simultaneously

• Improved system reliability by reducing downtime and preventing unexpected resets

FAQ

1. What is the primary function of this module?
   This device acts as a DC buffer, storing energy and supplying power during short interruptions or voltage drops to maintain continuous operation of connected equipment.
2. How does it differ from a standard power supply?
   Unlike a traditional power supply, this module does not generate power independently but stabilizes and maintains output during disturbances by using stored energy.
3. What happens during a sudden input voltage drop?
   The module automatically switches to its internal energy storage, maintaining output voltage within the specified range until input power is restored.
4. Is the output voltage identical to the input voltage?
   No, the output voltage is regulated slightly lower than the input range to ensure stable and controlled delivery to connected devices.
5. Can it be used with any 24V DC power supply?
   Yes, it is compatible with most standard 24V DC industrial power supplies, provided the input voltage falls within the specified range.
6. How long can it maintain output during a power interruption?
   The buffering duration depends on the load current and energy stored, typically designed to bridge short interruptions rather than long-term backup.
7. Does it require any special wiring or configuration?
   Installation is straightforward, but proper wiring and load distribution should be followed to ensure optimal buffering performance.
8. What protection features are included?
   The module includes overload and overvoltage protection to safeguard both the device and connected equipment.
9. Is it suitable for critical control systems?
   Yes, it is specifically designed to improve reliability in critical systems where even brief power interruptions can cause faults or downtime.
10. What should be considered during installation?
    Ensure proper mounting, adequate ventilation, and correct wiring to maximize performance and maintain safe operation.

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